Constrained RESTful Environments (CoRE) Parameters

Created: 2012-06-08
Last Updated: 2025-06-17
Available Formats: XML
HTML
Plain text

Registries Included Below

Resource Type (rt=) Link Target Attribute Values
Interface Description (if=) Link Target Attribute Values
CoAP Codes
- CoAP Method Codes
- CoAP Response Codes
CoAP Option Numbers
CoAP Content-Formats
CoAP Signaling Codes
CoAP Signaling Option Numbers
OSCORE Flag Bits
RD Parameters
Endpoint Type (et=) RD Parameter Values
Standard Problem Detail Keys
Custom Problem Detail Keys
Target Attributes

Resource Type (rt=) Link Target Attribute Values

Expert(s)

Carsten Bormann, Jaime Jimenez, Christian Amsüss

Reference

[RFC6690]

Note

Registration requests should be sent to the [mailing list] described in 
[RFC6690]. If approved, designated experts should notify IANA within 
two weeks. For assistance, please contact iana@iana.org. IANA does not 
monitor the list.

Available Formats

CSV

Range	Registration Procedures
value starts with "core"	IETF Review
all other values	Specification Required

Value	Description	Reference
core.gp	Group Configuration resource. This resource is used to query/manage the group membership of a CoAP server.	[RFC7390, Section 2.6.2]
core.hc	HTTP-to-CoAP mapping base resource.	[RFC8075, Section 5.5]
core.rd	Directory resource of an RD	[RFC9176, Section 4.3]
core.rd-ep	Endpoint resource of an RD	[RFC9176, Section 6]
core.rd-lookup-ep	Endpoint lookup of an RD	[RFC9176, Section 4.3]
core.rd-lookup-res	Resource lookup of an RD	[RFC9176, Section 4.3]
oic.d.airconditioner	Air Conditioner device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.airpurifier	Air Purifier device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.blind	Blind device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.camera	Camera device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.dishwasher	Dishwasher device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.door	Door device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.dryer	Dryer device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.fan	Fan device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.garagedoor	Garage Door device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.light	Light device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.multifunctionprinter	Printer Multi-Function device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.oven	Oven device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.printer	Printer device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.receiver	Receiver device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.refrigerator	Refrigerator device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.robotcleaner	Robot Cleaner device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.scanner	Scanner device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.securitypanel	Security Panel device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.sensor	Generic Sensor device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.smartlock	Smart Lock device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.smartplug	Smart Plug device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.switch	Switch device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.thermostat	Thermostat device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.tv	Television device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.washer	Washer device. This is a clothes washer device.	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.watervalve	Water Valve device	[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.r.airflow	Air Flow resource. This resource describes the properties associated with air flow.	[OIC_Resource_Type_Specification_v1.1.0 section 6.1]
oic.r.airflowcontrol	Air Flow Control resource. This resource describes the attributes associated with control of air flow, for example as modelled by a Thermostat (fan), Room A/C or other device.	[OIC_Resource_Type_Specification_v1.1.0 section 6.2]
oic.r.altimeter	Altimeter resource. This resource describes properties associated with the height of the position.	[OIC_Resource_Type_Specification_v1.1.0 section 6.58]
oic.r.audio	Audio Controls resource. This resource defines basic audio control functions.	[OIC_Resource_Type_Specification_v1.1.0 section 6.25]
oic.r.autofocus	Auto Focus resource. This resource describes whether an auto focus feature is on or off.	[OIC_Resource_Type_Specification_v1.1.0 section 6.26]
oic.r.automaticdocumentfeeder	Automatic Document Feeder resource. This resource describes the state of an automatic document feeder, typically used with a scanner.	[OIC_Resource_Type_Specification_v1.1.0 section 6.27]
oic.r.button	Button Switch resource. This resource describes the operation of a button style switch.	[OIC_Resource_Type_Specification_v1.1.0 section 6.28]
oic.r.clock	Clock resource. This resource describes the properties associated with clock and time.	[OIC_Resource_Type_Specification_v1.1.0 section 6.59]
oic.r.colour.autowhitebalance	Auto White Balance resource. This resource describes whether an auto balance feature is on or off.	[OIC_Resource_Type_Specification_v1.1.0 section 6.31]
oic.r.colour.chroma	Colour Chroma resource. This resource describes the colour using chroma conventions.	[OIC_Resource_Type_Specification_v1.1.0 section 6.6]
oic.r.colour.rgb	Colour RGB resource. This resource specifies the actual colour in the RGB space.	[OIC_Resource_Type_Specification_v1.1.0 section 6.7]
oic.r.colour.saturation	Colour Saturation resource. This resource describes a Colour saturation value.	[OIC_Resource_Type_Specification_v1.1.0 section 6.32]
oic.r.door	Door resource. This resource describes the open state of a door.	[OIC_Resource_Type_Specification_v1.1.0 section 6.9]
oic.r.energy.battery	Battery resource. This resource represents the charge state of a battery.	[OIC_Resource_Type_Specification_v1.1.0 section 6.3]
oic.r.energy.consumption	Energy Consumption resource. This resource describes the energy consumed by the device since power up and the instantaneous power draw of the device at the time the resource was queried.	[OIC_Resource_Type_Specification_v1.1.0 section 6.10]
oic.r.energy.drlc	Demand Response Load Control (DRLC) resource. This resource describes any to be applied or currently being applied DRLC signal.	[OIC_Resource_Type_Specification_v1.1.0 section 6.34]
oic.r.energy.overload	Energy Overload/Circuit Breaker resource. This resource describes whether an energy overload detector/circuit breaker has been tripped.	[OIC_Resource_Type_Specification_v1.1.0 section 6.35]
oic.r.energy.usage	Energy Usage resource. This resource describes a cumulative time-based energy usage query.	[OIC_Resource_Type_Specification_v1.1.0 section 6.11]
oic.r.height	Height resource. This resource describes the properties associated with height of an object's physical size.	[OIC_Resource_Type_Specification_v1.1.0 section 6.61]
oic.r.humidity	Humidity resource. This resource describes a sensed or desired humidity.	[OIC_Resource_Type_Specification_v1.1.0 section 6.12]
oic.r.icemaker	Ice Maker resource. This resource describes the operational state of an ice maker.	[OIC_Resource_Type_Specification_v1.1.0 section 6.13]
oic.r.light.brightness	Brightness resource. This resource describes the brightness of a light or lamp.	[OIC_Resource_Type_Specification_v1.1.0 section 6.5]
oic.r.light.dimming	Dimming resource. This resource describes a dimming function.	[OIC_Resource_Type_Specification_v1.1.0 section 6.8]
oic.r.light.ramptime	Ramp Time resource. This resource describes the Ramp Time of a dimming function.	[OIC_Resource_Type_Specification_v1.1.0 section 6.19]
oic.r.lock.code	Lock Code resource. This resource describes a lock code.	[OIC_Resource_Type_Specification_v1.1.0 section 6.15]
oic.r.lock.status	Lock resource. This resource describes whether a lock is locked or unlocked.	[OIC_Resource_Type_Specification_v1.1.0 section 6.14]
oic.r.media	Media resource. This resource specifies the media that a server supports.	[OIC_Resource_Type_Specification_v1.1.0 section 6.41]
oic.r.media.input	Media Source Input resource. This resource provides the list of input media sources available on the device.	[OIC_Resource_Type_Specification_v1.1.0 section 6.42]
oic.r.media.output	Media Source Output resource. This resource provides the list of output media sources available on the device.	[OIC_Resource_Type_Specification_v1.1.0 section 6.43]
oic.r.mode	Mode resource. This resource describes the modes of operation that a device can provide.	[OIC_Resource_Type_Specification_v1.1.0 section 6.16]
oic.r.movement.linear	Movement resource. This resource describes linear movement.	[OIC_Resource_Type_Specification_v1.1.0 section 6.54]
oic.r.nightmode	Night Mode resource. This resource describes whether a night mode feature is on or off.	[OIC_Resource_Type_Specification_v1.1.0 section 6.45]
oic.r.openlevel	Open Level resource. This resource describes how open or ajar an entity such as a window, door, blind or shutter is.	[OIC_Resource_Type_Specification_v1.1.0 section 6.17]
oic.r.operational.state	Operational State resource. This resource describes the operational and job states on a device.	[OIC_Resource_Type_Specification_v1.1.0 section 6.18]
oic.r.ptz	Pan Tilt Zoom Movement resource. This resource specifies the pan tilt and zoom capabilities of a device.	[OIC_Resource_Type_Specification_v1.1.0 section 6.47]
oic.r.refrigeration	Refrigeration resource. This resource describes a refrigeration function.	[OIC_Resource_Type_Specification_v1.1.0 section 6.20]
oic.r.sensor	Generic Sensor resource. This resource describes whether some value or property or entity has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.36]
oic.r.sensor.acceleration	Acceleration Sensor resource. This resource provides a measure of proper acceleration (g force).	[OIC_Resource_Type_Specification_v1.1.0 section 6.53]
oic.r.sensor.activity.count	Activity Count resource. This resource specifies an activity count.	[OIC_Resource_Type_Specification_v1.1.0 section 6.23]
oic.r.sensor.atmosphericpressure	Atmospheric Pressure resource. This resource provides a measurement of Mean Sea Level Pressure experienced at the measuring point expressed in millibars.	[OIC_Resource_Type_Specification_v1.1.0 section 6.24]
oic.r.sensor.carbondioxide	Carbon Dioxide Sensor resource. This resource describes whether carbon dioxide has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.29]
oic.r.sensor.carbonmonoxide	Carbon Monoxide Sensor resource. This resource describes whether carbon monoxide has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.30]
oic.r.sensor.contact	Contact Sensor resource. This resource describes whether a contact sensor has been tripped or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.33]
oic.r.sensor.geolocation	Geolocation Sensor resource. This resource describes the properties associated with the current geolocation coordinate.	[OIC_Resource_Type_Specification_v1.1.0 section 6.60]
oic.r.sensor.glassbreak	Glass Break Sensor resource. This resource describes a glass break sensor.	[OIC_Resource_Type_Specification_v1.1.0 section 6.37]
oic.r.sensor.heart.zone	Heart Rate Zone Sensor resource. This resource describes a measured heart rate by the current Zone using the Zoladz method.	[OIC_Resource_Type_Specification_v1.1.0 section 6.38]
oic.r.sensor.illuminance	Illuminance Sensor resource. This resource describes an illuminance sensor.	[OIC_Resource_Type_Specification_v1.1.0 section 6.39]
oic.r.sensor.magneticfielddirection	Magnetic Field Direction resource. This resource describes the direction of the Earth's magnetic field at the observer's current point in space.	[OIC_Resource_Type_Specification_v1.1.0 section 6.40]
oic.r.sensor.motion	Motion Sensor resource. This resource describes whether motion has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.43]
oic.r.sensor.presence	Presence Sensor resource. This resource describes whether presence has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.45]
oic.r.sensor.radiation.uv	UV Radiation resource. This resource describes an ultraviolet radiation measurement.	[OIC_Resource_Type_Specification_v1.1.0 section 6.51]
oic.r.sensor.sleep	Sleep Sensor resource. This resource describes whether human sleep has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.55]
oic.r.sensor.smoke	Smoke Sensor resource. This resource describes whether smoke has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.56]
oic.r.sensor.threeaxis	Three Axis Sensor resource. This resource provides a representation of the measurement from a three-axis sensor.	[OIC_Resource_Type_Specification_v1.1.0 section 6.57]
oic.r.sensor.touch	Touch Sensor resource. This resource describes whether touch has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.50]
oic.r.sensor.water	Water Sensor resource. This resource describes whether water has been sensed or not.	[OIC_Resource_Type_Specification_v1.1.0 section 6.52]
oic.r.signalstrength	Signal Strength resource. This resource describes the strength of a signal by means of Link Quality Indicator and Received Signal Strength Indicator.	[OIC_Resource_Type_Specification_v1.1.0 section 6.48]
oic.r.speech.tts	Speech Synthesis resource. This resource is capable of rendering speech and allows a client to provide an SSML document with text to render.	[OIC_Resource_Type_Specification_v1.1.0 section 6.49]
oic.r.switch.binary	Binary switch resource. This resource describes a binary switch (on/off).	[OIC_Resource_Type_Specification_v1.1.0 section 6.4]
oic.r.temperature	Temperature resource. This resource describes a sensed or actuated Temperature value.	[OIC_Resource_Type_Specification_v1.1.0 section 6.21]
oic.r.time.period	Time Period resource. This resource describes the time period over which any additionally provided information is derived or bounded.	[OIC_Resource_Type_Specification_v1.1.0 section 6.22]
oic.r.weight	Weight resource. This resource describes the properties associated with weight of an object.	[OIC_Resource_Type_Specification_v1.1.0 section 6.62]
oma.lwm2m	OMA LwM2M Resource. This Resource type indicates that the resource and all of its sub-resources support the OMA Lightweight M2M protocol, i.e. contain OMA LwM2M objects and resources.	[OMA-TS-LightweightM2M-V1_0]
bbf.usp.endpoint	Endpoint of the Broadband Forum USP protocol	[https://usp.technology/specification/mtp/coap/]
oic.wk.col	Collection resource.	[OCF_Core_Specification_v1.0.0 section D.2]
oic.wk.con	Device Configuration resource.	[OCF_Core_Specification_v1.0.0 section D.3]
oic.wk.con.p	Platform Configuration resource.	[OCF_Core_Specification_v1.0.0 section D.4]
oic.wk.d	Device resource.	[OCF_Core_Specification_v1.0.0 section D.5]
oic.wk.mnt	Maintenance resource.	[OCF_Core_Specification_v1.0.0 section D.6]
oic.wk.p	Platform resource.	[OCF_Core_Specification_v1.0.0 section D.7]
oic.wk.res	Discoverable Resources resource.	[OCF_Core_Specification_v1.0.0 section D.9]
oic.wk.scenelist	Scene List resource.	[OCF_Core_Specification_v1.0.0 section D.11]
oic.wk.scenecollection	Scene Member Collection resource.	[OCF_Core_Specification_v1.0.0 section D.12]
oic.wk.scenemember	Scene Member resource.	[OCF_Core_Specification_v1.0.0 section D.13]
oic.wk.rd	Resource Directory resource.	[OCF_Core_Specification_v1.0.0 section D.14]
oic.r.icon	Icon resource.	[OCF_Core_Specification_v1.0.0 section D.15]
oic.wk.introspection	Introspection resource.	[OCF_Core_Specification_v1.0.0 section D.16]
oic.r.airquality	Air Quality resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.65]
oic.r.airqualitycollection	Air Quality Collection resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.66]
oic.r.consumable	Consumable resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.67]
oic.r.consumablecollection	Consumable Collection resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.68]
oic.r.delaydefrost	Delay Defrost resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.69]
oic.r.ecomode	Ecomode resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.70]
oic.r.heatingzone	Heating Zone resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.71]
oic.r.heatingzonecollection	Heating Zone Collection resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.72]
oic.r.mediasourcelist	Media Source List resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.43]
oic.r.media.input	Input Media Source List resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.44]
oic.r.media.output	Output Media Source List resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.45]
oic.r.movement.ptz	Physical Pan Tilt Zoom resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.49]
oic.r.image.ptz	Image Pan Tilt Zoom resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.49]
oic.r.selectablelevels	Selectable Levels resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.73]
oic.r.value.conditional	Value Conditional resource.	[OCF_ResourceType_Specification_v1.0.0 section 6.74]
oic.d.airqualitymonitor	Air Quality Monitor device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.washerdryer	Washer Dryer (Laundry) device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.cookerhood	Cooker Hood device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.cooktop	Cooktop device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.dehumidifier	Dehumidifier device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.freezer	Freezer device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.foodprobe	Food Probe device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.humidifier	Humidifier device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.stb	Set Top Box device	[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.wk.nmon	Network Monitoring resource.	[OCF_Core_Specification_v2.0.1 section D.16]
oic.wk.atomicmeasurement	Atomic Measurement resource.	[OCF_Core_Specification_v2.0.1 section D.17]
oic.d.bridge	Bridge device.	[OCF_Bridging_Specification_v2.0.1 section 8]
oic.d.virtual	Virtual device.	[OCF_Bridging_Specification_v2.0.1 section 8]
oic.r.securemode	Secure Mode resource.	[OCF_Bridging_Specification_v2.0.1 section 9.2]
oic.r.alljoynobject	Alljoyn Object resource.	[OCF_Bridging_Specification_v2.0.1 section 9.3]
oic.r.easysetup	Easy Setup resource.	[OCF_Core_Specification_Extension_Wi-Fi_Easy_Setup_v2.0.1 section A.2]
oic.r.wificonf	Wi-Fi Configuration resource.	[OCF_Core_Specification_Extension_Wi-Fi_Easy_Setup_v2.0.1 section A.3]
oic.r.devconf	Device Configuration resource.	[OCF_Core_Specification_Extension_Wi-Fi_Easy_Setup_v2.0.1 section A.4]
oic.r.coapcloudconf	CoAP Cloud Configuration.	[OCF_Core_Specification_Extension_CoAP_Native_Cloud_v2.0.1 section A.2]
oic.r.colour.csc	Colour Space Coordinates resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.75]
oic.r.colour.colourtemperature	Colour Temperature resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.76]
oic.r.colour.hs	Colour Hue Saturation resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.77]
oic.r.batterymaterial	Battery Material resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.78]
oic.r.brewing	Brewing resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.79]
oic.r.energy.electrical	Electrical Energy resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.80]
oic.r.energy.generation	Energy Generation resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.81]
oic.r.foaming	Foaming resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.82]
oic.r.grinder	Grinder resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.83]
oic.r.liquid.level	Liquid Level resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.84]
oic.r.vehicle.connector	Electric Vehicle Connector resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.85]
oic.r.time.stamp	Time Stamp resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.86]
oic.r.printer.3d	3D Printer resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.87]
oic.r.blood.pressure	Blood Pressure resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.88]
oic.r.bloodpressuremonitor-am	Blood Pressure Monitor Atomic Measurement resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.89]
oic.r.bmi	Body Mass Index (BMI) resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.90]
oic.r.body.fat	Body Fat resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.91]
oic.r.body.ffm	Body Fat Free Mass resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.92]
oic.r.body.location	Body Location resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.93]
oic.r.body.location.temperature	Body Location Temperature resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.94]
oic.r.bodyscale-am	Body Scale Atomic Measurement resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.95]
oic.r.body.slm	Body Soft Lean Mass resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.96]
oic.r.bodythermometer-am	Body Thermometer Atomic Measurement resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.97]
oic.r.body.water	Body Water resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.98]
oic.r.glucose	Glucose resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.99]
oic.r.glucose.carb	Glucose Meter Complex Carbohydrates resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.100]
oic.r.glucose.exercise	Glucose Meter Exercise resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.101]
oic.r.glucose.hba1c	Glucose Meter HbA1c resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.102]
oic.r.glucose.health	Glucose Meter Context Health resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.103]
oic.r.glucose.meal	Glucose Meter Context Meal resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.104]
oic.r.glucose.medication	Glucose Meter Context Medication resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.105]
oic.r.glucosemeter-am	Glucose Meter Atomic Measurement resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.106]
oic.r.glucose.samplelocation	Glucose Meter Context Sample Location resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.107]
oic.r.glucose.tester	Glucose Meter Context Tester resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.108]
oic.r.orfid.station	Optical RFID Station resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.109]
oic.r.orfid.tag	Optical RFID Tag resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.110]
oic.r.powersource	Power Source resource	[OCF_Resource_Type_Specification_v2.0.1 section 6.111]
oic.r.printer.queue	Print Queue resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.112]
oic.r.pulserate	Pulse Rate resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.113]
oic.r.sensor.props	Sensor Properties resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.114]
oic.r.userid	User ID resource.	[OCF_Resource_Type_Specification_v2.0.1 section 6.115]
oic.d.waterheater	Water Heater device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.furnace	Furnace device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.pump	Pump device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.condensingunit	Condensing Unit device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.condenser	Condenser device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.hvac	HVAC device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.lightingcontrol	Lighting Controls device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.icemachine	Ice Machine device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.range	Range device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.steamcloset	Steam Closet device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.audiosystem	Audio System device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.avplayer	AV Player device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.desktoppc	Desktop PC device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.notebookpc	Notebook PC device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.server	Server device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.pc	Computer device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.datastorageunit	Data Storage Unit device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.display	Display device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.portableelectronics	Portable Electronics device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.gameconsole	Game Console device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.3dprinter	3D Printer device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.musicalinstrument	Musical Instrument device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.networking	Networking Equipment device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.handset	Handset device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.telephonydevice	Telephony device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.speaker	Active Speaker device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.smallelectrical	Electronics device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.aircompressor	Air Compressor device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bathroomdevice	Bathroom General device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.batterycharger	Battery Charger device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.businessequipment	Business Equipment device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.portablestove	Portable Stove device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.exercisemachine	Exercise Machine device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.hvacportable	Portable HVAC device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.orfid	Optical Augmented RFID Reader device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.coffeemachine	Coffee Machine device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.grinder	Grinder device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.kettle	Kettle device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.lightdecorative	Decorative Lighting device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.lightemergency	Emergency Lighting device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.microwave	Microwave Oven device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.vendingmachine	Vending Machine device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.waterdispenser	Water Dispenser device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.battery	Battery device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.window	Window device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.fireplace	Fireplace device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.energygenerator	Energy Generator device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.electricmeter	Electric Meter device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.electricvehiclecharger	Electric Vehicle Charger device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.fitnessdevice	Fitness device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bloodpressuremonitor	Blood Pressure Monitor device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bodythermometer	Body Thermometer device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.medicaldevice	Media device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.glucosemeter	Glucose Meter device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bodyscale	Body Scale device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.personalhealthdevice	Personal Health device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.unknown	Other device.	[OCF_Device_Specification_v2.0.1 section A.2]
oic.r.doxm	Device Owner Transfer resource	[OCF_Security_Specification_v2.0.1 section 13.1]
oic.r.cred	Credential resource	[OCF_Security_Specification_v2.0.1 section 13.2]
oic.r.crl	Certificate Revocation List resource	[OCF_Security_Specification_v2.0.1 section 13.3]
oic.r.acl	Access Control List resource	[OCF_Security_Specification_v2.0.1 section 13.4]
oic.r.acl2	Access Control List 2 resource	[OCF_Security_Specification_v2.0.1 section 13.4]
oic.r.amacl	Access Manager ACL resource	[OCF_Security_Specification_v2.0.1 section 13.5]
oic.r.sacl	Signed ACL resource	[OCF_Security_Specification_v2.0.1 section 13.6]
oic.r.pstat	Provisioning Status resource	[OCF_Security_Specification_v2.0.1 section 13.7]
oic.r.csr	Certificate Signing Request resource	[OCF_Security_Specification_v2.0.1 section 13.8]
oic.r.roles	Roles resource	[OCF_Security_Specification_v2.0.1 section 13.9]
oic.r.account	Account resource	[OCF_Security_Specification_v2.0.1 section 13.10]
oic.r.session	Account Session resource	[OCF_Security_Specification_v2.0.1 section 13.11]
oic.r.tokenrefresh	Account Token Refresh resource	[OCF_Security_Specification_v2.0.1 section 13.12]
fa.cs	Resource type for the Fairhair common services	[Fairhair Alliance specification section 5.2.2]
fa.rd-conf	Resource type for the Fairhair resource that configures and manages information about RDs on FA devices	[Fairhair Alliance specification section 4.6.1.4]
fa.lnk	Resource type for the Fairhair Linkage resource	[Fairhair Alliance specification section 5.5.2]
fa.rd-id	Resource type for the Fairhair resource that Identifies the resource which configures and manages RD identity information	[Fairhair Alliance specification section 4.6.1.5]
oic.d.activitytracker	Activity Tracker device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.ams	Access Management Service.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cgm	Continuous Glucose Meter device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.circuitbreaker	Circuit Breaker device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cms	Credential Management Service.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cyclingcadencesensor	Cycling cadence sensor device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cyclingpowermeter	Cycling power meter device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cyclingspeedsensor	Cycling speed sensor device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.dots	Device Ownership Transfer Service.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.energymonitor	Energy Monitor device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.heartratemonitor	Heart Rate Monitor device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.inverter	Inverter device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.pulseoximeter	Pulse Oximeter device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.pvarraysystem	Photovoltaic Array System device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.sleepmonitor	Sleep Monitor device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.waterpurifier	Water Purifier device.	[OCF_Device_Specification_v2.0.5 clause A.2]
oic.r.activity	Activity resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.127]
oic.r.activitytracker-am	Activity tracker measurement with activity, heart rate, etc.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.128]
oic.r.alarm	Alarm resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.129]
oic.r.alert	Alerts resource type	[OCF_Core_Optional_Specification_v2.0.5 clause A.10]
oic.r.alertcollection	Alerts Collection resource type	[OCF_Core_Optional_Specification_v2.0.5 clause A.11]
oic.r.cadence	Cadence resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.144]
oic.r.calorificvalue	Energy associated with the consumption of various fuels.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.116]
oic.r.cgm.calibrate	Continuous Glucose Meter calibration resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.131]
oic.r.cgm.samplinginterval	Continuous Glucose Meter sampling interval resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.132]
oic.r.cgm.sensor	Continuous Glucose Meter sensor resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.133]
oic.r.cgm.status	Continuous Glucose Meter status resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.134]
oic.r.cgm.threshold	Continuous Glucose Meter threshold resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.135]
oic.r.cgm-am	Resource for glucose, sensor, time, and user data.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.130]
oic.r.circuitbreaker	Circuit Breaker resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.145]
oic.r.conversionfactor	Property used in calculating conversions.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.117]
oic.r.cyclingpower	Cycling power resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.146]
oic.r.gas.consumption	Energy values associated with gas consumption.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.118]
oic.r.gas.usage	Cumulative time-based gas usage query.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.119]
oic.r.heartrate	Heart rate resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.136]
oic.r.heartratemonitor-am	Resource for heart rate, time, and user data.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.137]
oic.r.iaszone	Resource that includes iaszoneinfo, battery, and power source information	[OCF_Resource_Type_Specification_v2.0.5 clause 6.125]
oic.r.iaszoneinfo	Intruder Alert System (IAS) Zone information resource	[OCF_Resource_Type_Specification_v2.0.5 clause 6.124]
oic.r.impactsensor	Impact sensor resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.120]
oic.r.inverter	Inverter resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.147]
oic.r.keypadchar	Character keypad resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.121]
oic.r.opaquedata	Opaque data transferred and uninterpretable at endpoints.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.122]
oic.r.pulsatilecharacteristic	Pulsatile characteristic of the pulsative wave of a pulse oximeter.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.138]
oic.r.pulsatileoccurrence	Pulsatile occurrence of a pulse oximeter.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.139]
oic.r.pulseoximeter-am	Resource for SpO2, pulse data, observed time, and user data.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.140]
oic.r.pvconnectionterminal	Photovoltaic connection terminal resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.148]
oic.r.sleep	Sleep resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.141]
oic.r.sleepmonitor-am	Resource for sleep stages and sleep score data.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.142]
oic.r.softwareupdate	Software Update resource type	[OCF_Core_Optional_Specification_v2.0.5 clause A.12]
oic.r.sp	Security Profile	[OCF_Security_Specification_v2.0.5 clause 14.8]
oic.r.speed	Speed resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.149]
oic.r.spo2	Blood oxygen saturation level resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.143]
oic.r.torque	Torque resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.150]
oic.r.userid	User identification resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.123]
oic.r.vodlist	Virtual OCF Device resource.	[OCF_Bridging_Specification_v2.0.5 clause 5.5]
oic.r.waterinfo	Water information resource.	[OCF_Resource_Type_Specification_v2.0.5 clause 6.151]
oic.r.windowcovering	Configurable window covering resource	[OCF_Resource_Type_Specification_v2.0.5 clause 6.126]
ace.est.crts	This resource depicts the support of EST GET cacerts.	[RFC9148]
ace.est.sen	This resource depicts the support of EST simple enroll.	[RFC9148]
ace.est.sren	This resource depicts the support of EST simple reenroll.	[RFC9148]
ace.est.att	This resource depicts the support of EST GET CSR attributes.	[RFC9148]
ace.est.skg	This resource depicts the support of EST server-side key generation with the returned certificate in a PKCS #7 container.	[RFC9148]
ace.est.skc	This resource depicts the support of EST server-side key generation with the returned certificate in application/pkix-cert format.	[RFC9148]
oic.d.bodycompositionanalyser	Body Composition Analyser device	[OCF Device Specification v2.1.2 clause A.2]
oic.d.indoorgarden	Indoor Garden device	[OCF Device Specification v2.1.2 clause A.2]
oic.d.mattress	Mattress device	[OCF Device Specification v2.1.2 clause A.2]
oic.d.muscleoxygenmonitor	Muscle Oxygen Monitor device	[OCF Device Specification v2.1.2 clause A.2]
oic.r.ael	Auditable Event List	[OCF Security Specification v2.1.2 clause C.9]
oic.r.bodycompositionanalyser-am	Body Composition Analyser resource	[OCF Resource Type Specification v2.1.2 clause 6.155]
oic.r.deodorization	Deodorization resource	[OCF Resource Type Specification v2.1.2 clause 6.152]
oic.r.hvac.capacity	HVAC Capacity resource	[OCF Resource Type Specification v2.1.2 clause 6.157]
oic.r.keycardswitch	Keycard Switch resource	[OCF Resource Type Specification v2.1.2 clause 6.153]
oic.r.media.audio	Media (Audio) resource	[OCF Resource Type Specification v2.1.2 clause 6.158]
oic.r.media.core	Media (Core) resource	[OCF Resource Type Specification v2.1.2 clause 6.159]
oic.r.media.image	Media (Image) resource	[OCF Resource Type Specification v2.1.2 clause 6.160]
oic.r.media.text	Media (Text) resource	[OCF Resource Type Specification v2.1.2 clause 6.161]
oic.r.media.video	Media (Video) resource	[OCF Resource Type Specification v2.1.2 clause 6.162]
oic.r.muscleoxygensaturation	Muscle Oxygen Saturation resource	[OCF Resource Type Specification v2.1.2 clause 6.154]
oic.r.switch.fault	Fault Interrupter resource	[OCF Resource Type Specification v2.1.2 clause 6.156]
oic.r.switch.restricted	Restricted Switch resource	[OCF Resource Type Specification v2.1.2 clause 6.163]
oic.d.afci	Arc Fault Circuit Interrupter	[OCF Device Specification v2.2.0 clause A.2]
oic.d.airer	Airer	[OCF Device Specification v2.2.0 clause A.2]
oic.d.gfci	Ground Fault Circuit Interrupter	[OCF Device Specification v2.2.0 clause A.2]
oic.r.sdi	Security Domain Information	[OCF Security Specification v2.2.0 clause C.10]
oic.r.settings.accessibility	Device Settings - Accessibility	[OCF Resource Type Specification v2.2.0 clause 6.164]
oic.r.settings.broadcasting	Device Settings - Broadcasting	[OCF Resource Type Specification v2.2.0 clause 6.165]
oic.r.settings.picture	Device Settings - Picture	[OCF Resource Type Specification v2.2.0 clause 6.166]
oic.r.settings.sound	Device Settings - Sound	[OCF Resource Type Specification v2.2.0 clause 6.167]
oic.r.settings.support	Device Settings - Support	[OCF Resource Type Specification v2.2.0 clause 6.168]
oic.r.settings.system	Device Settings - System	[OCF Resource Type Specification v2.2.0 clause 6.169]
oic.r.sensor.measurement	Generic Measurement Sensor	[OCF_Resource_Type_Specification_v2.2.2 clause 6.170]
oic.r.sensor.radiation.uva	UVA Radiation	[OCF_Resource_Type_Specification_v2.2.2 clause 6.171]
oic.r.sensor.radiation.uvb	UVB Radiation	[OCF_Resource_Type_Specification_v2.2.2 clause 6.172]
oic.r.colour.renderingindex	Colour Rendering Index	[OCF_Resource_Type_Specification_v2.2.2 clause 6.173]
oic.r.sound.pressure	Sound Pressure in Pascal	[OCF_Resource_Type_Specification_v2.2.2 clause 6.174]
oic.r.sound.pressurelevel	Sound Pressure Level in dB	[OCF_Resource_Type_Specification_v2.2.2 clause 6.175]
oic.r.location.civic	Civic Location	[OCF_Resource_Type_Specification_v2.2.2 clause 6.176]
ace.ai	ACE-OAuth authz-info endpoint resource.	[RFC9200]
oic.d.acassistant	A/C Assistant	[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.dali	Light (DALI) Device	[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.dali.ac	Light (DALI) Application Controller	[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.dali.bus	Light (DALI) Bus	[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.light.smart	Smart Light	[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.wallpad	Wallpad	[OCF_Device_Specification_v2.2.4 clause A.2]
oic.r.remotecontrol	Remote Control	[OCF_Resource_Type_Specification_v2.2.4 clause 7.177]
oic.r.tv.apps	TV Apps	[OCF_Resource_Type_Specification_v2.2.4 clause 7.178]
oic.r.vendorlist	Vendor List	[OCF_Resource_Type_Specification_v2.2.4 clause 7.179]
oic.r.dali	DALI	[OCF_Resource_Type_Specification_v2.2.4 clause 7.180]
oic.r.dali.conf	DALI Configuration	[OCF_Resource_Type_Specification_v2.2.4 clause 7.181]
wot.directory	link to WoT Thing Description of a Thing Description Directory	[Web of Things (WoT) Discovery, Section 6.4]
wot.thing	link to WoT Thing Description of a Thing	[Web of Things (WoT) Discovery, Section 6.4]
core.edhoc	EDHOC resource	[RFC9528]
core.coap-eap	CoAP-EAP resource	[RFC-ietf-ace-wg-coap-eap-14]

Interface Description (if=) Link Target Attribute Values

Expert(s)

Carsten Bormann, Jaime Jimenez, Christian Amsüss

Reference

[RFC6690]

Note

Registration requests should be sent to the [mailing list] described in 
[RFC6690]. If approved, designated experts should notify IANA within 
two weeks. For assistance, please contact iana@iana.org. IANA does not 
monitor the list.

Available Formats

CSV

Range	Registration Procedures
value starts with "core"	IETF Review
all other values	Specification Required

Value	Description	Reference
oic.if.baseline	The baseline Interface defines a view into all Properties of a Resource including the Meta Properties. This Interface is used to operate on the full Representation of a Resource.	[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.ll	The 'links list' Interface provides a view into Links in a Collection (Resource). Since Links represent relationships to other Resources, the links list interfaces may be used to discover Resources with respect to a context. The discovery is done by retrieving Links to these Resources.	[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.b	The batch Interface is used to interact with a collection of Resources at the same time. This also removes the need for the Client to first discover the Resources it is manipulating - the Server forwards the requests and aggregates the responses.	[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.r	The read-only Interface exposes the Properties of a Resource that may be 'read'. This Interface does not provide methods to update Properties or a Resource and so can only be used to 'read' Property Values.	[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.rw	The read-write Interface exposes only those Properties that may be both 'read' and 'written' and provides methods to read and write the Properties of a Resource.	[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.a	The actuator Interface is used to read or write the Properties of an actuator Resource.	[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.s	The sensor Interface is used to read the Properties of a sensor Resource.	[OIC_Core_Specification_v1.1.0 section 7.5.3]
bbf.usp.c	USP Controller Endpoint of the Broadband Forum USP protocol	[https://usp.technology/specification/mtp/coap/]
bbf.usp.a	USP Agent Endpoint of the Broadband Forum USP protocol	[https://usp.technology/specification/mtp/coap/]
oic.if.create	The create OCF Interface is used to create new Resources in a Collection. Both the Resource and the Link pointing to it are created in a single atomic operation.	[OCF_Core_Specification_v2.0.5 clause 7.6.3.9]
ace.groups	The KDC interface at the parent resource of group-membership resources is used to retrieve names of security groups using the ACE framework.	[RFC9594, section 4.1]
ace.group	The KDC interface at a group-membership resource is used to provision keying material and related information and policies to members of the corresponding security group using the ACE framework.	[RFC9594, section 4.1]

CoAP Codes

Registration Procedure(s)

Reserved ranges may be allocated in accordance with section 4.3 of [RFC8126].

Reference

[RFC7252, Section 12.1]

Available Formats

CSV

Code	Description	Reference
0.00	Indicates an Empty message.	[RFC7252, section 4.1]
0.01-0.31	Indicates a request. Values in this range are assigned by the [CoAP Method Codes] sub-registry.	[RFC7252, section 12.1.1]
1.00-1.31	Reserved	[RFC7252]
2.00-5.31	Indicates a response. Values in this range are assigned by the [CoAP Response Codes] sub-registry.	[RFC7252, section 12.1.2]
6.00-7.31	Reserved	[RFC7252]

CoAP Method Codes

Registration Procedure(s)

IETF Review or IESG Approval

Reference

[RFC7252, Section 12.1.1]

Available Formats

CSV

Code	Name	Reference
0.01	GET	[RFC7252]
0.02	POST	[RFC7252]
0.03	PUT	[RFC7252]
0.04	DELETE	[RFC7252]
0.05	FETCH	[RFC8132]
0.06	PATCH	[RFC8132]
0.07	iPATCH	[RFC8132]
0.08-0.31	Unassigned

CoAP Response Codes

Registration Procedure(s)

IETF Review or IESG Approval

Reference

[RFC7252, Section 12.1.2]

Available Formats

CSV

Code	Description	Reference
2.00	Unassigned
2.01	Created	[RFC7252]
2.02	Deleted	[RFC7252]
2.03	Valid	[RFC7252]
2.04	Changed	[RFC7252]
2.05	Content	[RFC7252]
2.06-2.30	Unassigned
2.31	Continue	[RFC7959]
3.00-3.31	Reserved	[RFC7252]
4.00	Bad Request	[RFC7252]
4.01	Unauthorized	[RFC7252]
4.02	Bad Option	[RFC7252]
4.03	Forbidden	[RFC7252]
4.04	Not Found	[RFC7252]
4.05	Method Not Allowed	[RFC7252]
4.06	Not Acceptable	[RFC7252]
4.07	Unassigned
4.08	Request Entity Incomplete	[RFC7959]
4.09	Conflict	[RFC8132]
4.10-4.11	Unassigned
4.12	Precondition Failed	[RFC7252]
4.13	Request Entity Too Large	[RFC7252][RFC7959]
4.14	Unassigned
4.15	Unsupported Content-Format	[RFC7252]
4.16-4.21	Unassigned
4.22	Unprocessable Entity	[RFC8132]
4.23-4.28	Unassigned
4.29	Too Many Requests	[RFC8516]
4.30-4.31	Unassigned
5.00	Internal Server Error	[RFC7252]
5.01	Not Implemented	[RFC7252]
5.02	Bad Gateway	[RFC7252]
5.03	Service Unavailable	[RFC7252]
5.04	Gateway Timeout	[RFC7252]
5.05	Proxying Not Supported	[RFC7252]
5.06-5.07	Unassigned
5.08	Hop Limit Reached	[RFC8768]
5.09-5.31	Unassigned

CoAP Option Numbers

Expert(s)

Bilhanan Silverajan (primary), Klaus Hartke (secondary), Carsten Bormann (secondary), Jaime Jimenez (secondary), Alexander Pelov (secondary)

Reference

[RFC7252, Section 12.2]

Available Formats

CSV

Range	Registration Procedures
0-255	IETF Review or IESG Approval
256-2047	Specification Required
2048-64999	Expert Review
65000-65535	Experimental use (no operational use)

Number	Name	Reference
0	Reserved	[RFC7252]
1	If-Match	[RFC7252][RFC8613]
2	Unassigned
3	Uri-Host	[RFC7252][RFC8613]
4	ETag	[RFC7252][RFC8613]
5	If-None-Match	[RFC7252][RFC8613]
6	Observe	[RFC7641][RFC8613]
7	Uri-Port	[RFC7252][RFC8613]
8	Location-Path	[RFC7252][RFC8613]
9	OSCORE	[RFC8613]
10	Unassigned
11	Uri-Path	[RFC7252][RFC8613]
12	Content-Format	[RFC7252][RFC8613]
13	Unassigned
14	Max-Age	[RFC7252][RFC8516][RFC8613]
15	Uri-Query	[RFC7252][RFC8613]
16	Hop-Limit	[RFC8768]
17	Accept	[RFC7252][RFC8613]
18	Unassigned
19	Q-Block1	[RFC9177]
20	Location-Query	[RFC7252][RFC8613]
21	EDHOC	[RFC9668]
22	Unassigned
23	Block2	[RFC7959][RFC8323][RFC8613]
24-26	Unassigned
27	Block1	[RFC7959][RFC8323][RFC8613]
28	Size2	[RFC7959][RFC8613]
29-30	Unassigned
31	Q-Block2	[RFC9177]
32-34	Unassigned
35	Proxy-Uri	[RFC7252][RFC8613]
36-38	Unassigned
39	Proxy-Scheme	[RFC7252][RFC8613]
40-59	Unassigned
60	Size1	[RFC7252][RFC8613]
61-127	Unassigned
128	Reserved	[RFC7252]
129-131	Unassigned
132	Reserved	[RFC7252]
133-135	Unassigned
136	Reserved	[RFC7252]
137-139	Unassigned
140	Reserved	[RFC7252]
141-251	Unassigned
252	Echo	[RFC9175]
253-257	Unassigned
258	No-Response	[RFC7967][RFC8613]
259-291	Unassigned
292	Request-Tag	[RFC9175]
293-2048	Unassigned
2049	OCF-Accept-Content-Format-Version	[Michael_Koster]
2050-2052	Unassigned
2053	OCF-Content-Format-Version	[Michael_Koster]
2054	Unassigned
2055	SCP82-Params	[GPC_SPE_207]
2056-64999	Unassigned
65000-65535	Reserved for Experimental Use	[RFC7252]

CoAP Content-Formats

Expert(s)

Esko Dijk (primary), Klaus Hartke (secondary), Carsten Bormann (secondary), Jaime Jimenez (secondary), Alexander Pelov (secondary)

Reference

[RFC7252, Section 12.3][RFC Errata 4954][RFC-ietf-core-cf-reg-update-09]

Note

As per [RFC-ietf-core-cf-reg-update-09], temporary registrations 
within the 0-255 range are approved by Designated Experts. These 
registrations are not subject to the formal [RFC7120] renewal 
process.

Available Formats

CSV

Range	Registration Procedures	Note
0-255	Expert Review	Review procedure described in [RFC-ietf-core-cf-reg-update-09, Section 4.1.3.].
256-9999	IETF Review with Expert Review or IESG Approval with Expert Review	Review procedure described in [RFC-ietf-core-cf-reg-update-09, Section 4.1.3.].
10000-19999	Expert Review	Review procedure described in [RFC-ietf-core-cf-reg-update-09, Section 4.1.3.].
20000-32999	First Come First Served	FCFS is allowed if the registration has no parameters, the registration has an empty Content Coding, the Media Type is not yet used in this registry, and the Media Type is registered (or approved for registration) in the [Media Types] registry.
33000-64997	Expert Review	Review procedure described in [RFC-ietf-core-cf-reg-update-09, Section 4.1.3.].
64998-64999	Reserved for Documentation
65000-65535	Experimental Use	No operational use

Content Type	Content Coding	Media Type	ID	Reference
text/plain; charset=utf-8		[text/plain]	0	[RFC2046][RFC3676][RFC5147]
Unassigned			1-15
application/cose; cose-type="cose-encrypt0"		[application/cose]	16	[RFC9052]
application/cose; cose-type="cose-mac0"		[application/cose]	17	[RFC9052]
application/cose; cose-type="cose-sign1"		[application/cose]	18	[RFC9052]
application/ace+cbor		[application/ace+cbor]	19	[RFC9200]
Unassigned			20
image/gif		[image/gif]	21	[https://www.w3.org/Graphics/GIF/spec-gif89a.txt]
image/jpeg		[image/jpeg]	22	[ISO/IEC 10918-5]
image/png		[image/png]	23	[RFC2083]
Unassigned			24-39
application/link-format		[application/link-format]	40	[RFC6690]
application/xml		[application/xml]	41	[RFC3023]
application/octet-stream		[application/octet-stream]	42	[RFC2045][RFC2046]
Unassigned			43-46
application/exi		[application/exi]	47	["Efficient XML Interchange (EXI) Format 1.0 (Second Edition)", February 2014]
Unassigned			48-49
application/json		[application/json]	50	[RFC8259]
application/json-patch+json		[application/json-patch+json]	51	[RFC6902]
application/merge-patch+json		[application/merge-patch+json]	52	[RFC7396]
Unassigned			53-59
application/cbor		[application/cbor]	60	[RFC8949]
application/cwt		[application/cwt]	61	[RFC8392]
application/multipart-core		[application/multipart-core]	62	[RFC8710]
application/cbor-seq		[application/cbor-seq]	63	[RFC8742]
application/edhoc+cbor-seq		[application/edhoc+cbor-seq]	64	[RFC9528]
application/cid-edhoc+cbor-seq		[application/cid-edhoc+cbor-seq]	65	[RFC9528]
Unassigned			66-95
application/cose; cose-type="cose-encrypt"		[application/cose]	96	[RFC9052]
application/cose; cose-type="cose-mac"		[application/cose]	97	[RFC9052]
application/cose; cose-type="cose-sign"		[application/cose]	98	[RFC9052]
Unassigned			99-100
application/cose-key		[application/cose-key]	101	[RFC9052]
application/cose-key-set		[application/cose-key-set]	102	[RFC9052]
Unassigned			103-109
application/senml+json		[application/senml+json]	110	[RFC8428]
application/sensml+json		[application/sensml+json]	111	[RFC8428]
application/senml+cbor		[application/senml+cbor]	112	[RFC8428]
application/sensml+cbor		[application/sensml+cbor]	113	[RFC8428]
application/senml-exi		[application/senml-exi]	114	[RFC8428]
application/sensml-exi		[application/sensml-exi]	115	[RFC8428]
Unassigned			116-139
application/yang-data+cbor; id=sid		[application/yang-data+cbor]	140	[RFC9254]
Unassigned			141-255
application/coap-group+json		[application/coap-group+json]	256	[RFC7390]
application/concise-problem-details+cbor		[application/concise-problem-details+cbor]	257	[RFC9290]
application/swid+cbor		[application/swid+cbor]	258	[RFC9393]
application/pkixcmp		[application/pkixcmp]	259	[RFC9482][RFC-ietf-lamps-rfc6712bis-10]
application/yang-sid+json		[application/yang-sid+json]	260	[RFC9595]
application/ace-groupcomm+cbor		[application/ace-groupcomm+cbor]	261	[RFC9594]
application/ace-trl+cbor		[application/ace-trl+cbor]	262	[RFC9770]
application/eat+cwt		[application/eat+cwt]	263	[RFC9782]
application/eat+jwt		[application/eat+jwt]	264	[RFC9782]
application/eat-bun+cbor		[application/eat-bun+cbor]	265	[RFC9782]
application/eat-bun+json		[application/eat-bun+json]	266	[RFC9782]
application/eat-ucs+cbor		[application/eat-ucs+cbor]	267	[RFC9782]
application/eat-ucs+json		[application/eat-ucs+json]	268	[RFC9782]
application/coap-eap		[application/coap-eap]	269	[RFC-ietf-ace-wg-coap-eap-14]
Unassigned			270
application/dots+cbor		[application/dots+cbor]	271	[RFC9132]
application/missing-blocks+cbor-seq		[application/missing-blocks+cbor-seq]	272	[RFC9177]
Unassigned			273-279
application/pkcs7-mime; smime-type=server-generated-key		[application/pkcs7-mime]	280	[RFC7030][RFC8551][RFC9148]
application/pkcs7-mime; smime-type=certs-only		[application/pkcs7-mime]	281	[RFC8551][RFC9148]
Unassigned			282-283
application/pkcs8		[application/pkcs8]	284	[RFC5958][RFC8551][RFC9148]
application/csrattrs		[application/csrattrs]	285	[RFC7030][RFC9148]
application/pkcs10		[application/pkcs10]	286	[RFC5967][RFC8551][RFC9148]
application/pkix-cert		[application/pkix-cert]	287	[RFC2585][RFC9148]
Unassigned			288-289
application/aif+cbor		[application/aif+cbor]	290	[RFC9237]
application/aif+json		[application/aif+json]	291	[RFC9237]
Unassigned			292-309
application/senml+xml		[application/senml+xml]	310	[RFC8428]
application/sensml+xml		[application/sensml+xml]	311	[RFC8428]
Unassigned			312-319
application/senml-etch+json		[application/senml-etch+json]	320	[RFC8790]
Unassigned			321
application/senml-etch+cbor		[application/senml-etch+cbor]	322	[RFC8790]
Unassigned			323-339
application/yang-data+cbor		[application/yang-data+cbor]	340	[RFC9254]
application/yang-data+cbor; id=name		[application/yang-data+cbor]	341	[RFC9254]
Unassigned			342-431
application/td+json		[application/td+json]	432	["Web of Things (WoT) Thing Description 1.1", April 2022]
application/tm+json		[application/tm+json]	433	["Web of Things (WoT) Thing Description 1.1", April 2022]
application/sdf+json		[application/sdf+json]	434	[RFC-ietf-asdf-sdf-23]
Unassigned			435-600
application/uccs+cbor		[application/uccs+cbor]	601	[RFC9781, Section 6.4]
Unassigned			602-835
application/voucher+cose (TEMPORARY - registered 2022-04-12, extension registered 2025-03-07, expires 2026-04-12)		[https://www.iana.org/assignments/provisional-standard-media-types]	836	[draft-ietf-anima-constrained-voucher-23]
Unassigned			837-1541
Reserved, do not use			1542-1543	[OMA-TS-LightweightM2M-V1_0]
Unassigned			1544-9999
application/vnd.ocf+cbor		[application/vnd.ocf+cbor]	10000	[Michael_Koster]
application/oscore		[application/oscore]	10001	[RFC8613]
application/javascript		[application/javascript]	10002	[RFC4329]
application/eat+cwt; eat_profile="tag:psacertified.org,2023:psa#tfm"		[application/eat+cwt]	10003	[RFC9783]
application/eat+cwt; eat_profile="tag:psacertified.org,2019:psa#legacy"		[application/eat+cwt]	10004	[RFC9783]
application/eat+cwt; eat_profile=2.16.840.1.113741.1.16.1		[application/eat+cwt]	10005	[RFC9782][draft-cds-rats-intel-corim-profile-05]
application/vnd.oms.cellular-cose-content+cbor		[application/vnd.oms.cellular-cose-content+cbor]	10006	[OMS-Group e. V.]
Unassigned			10007-10569
application/toc+cbor		[application/toc+cbor]	10570	[CE-Binding, Section 6.3.1]
application/ce+cbor		[application/ce+cbor]	10571	[CE-Binding, Section 6.3.2]
application/toc+cbor;profile=2.16.840.1.113741.1.16.1		[application/toc+cbor]	10572	[TCG DICE Concise Evidence Binding for SPDM][draft-cds-rats-intel-corim-profile-05]
application/ce+cbor;profile=2.16.840.1.113741.1.16.1		[application/ce+cbor]	10573	[TCG DICE Concise Evidence Binding for SPDM][draft-cds-rats-intel-corim-profile-05]
Unassigned			10574-11049
application/json	deflate	[application/json]	11050	[RFC8259][RFC9110, Section 8.4.1.2]
Unassigned			11051-11059
application/cbor	deflate	[application/cbor]	11060	[RFC8949][RFC9110, Section 8.4.1.2]
Unassigned			11061-11541
application/vnd.oma.lwm2m+tlv		[application/vnd.oma.lwm2m+tlv]	11542	[OMA-TS-LightweightM2M-V1_0]
application/vnd.oma.lwm2m+json		[application/vnd.oma.lwm2m+json]	11543	[OMA-TS-LightweightM2M-V1_0]
application/vnd.oma.lwm2m+cbor		[application/vnd.oma.lwm2m+cbor]	11544	[OMA-TS-LightweightM2M-V1_2]
Unassigned			11545-11999
text/plain;charset=utf-8	zstd	[text/plain]	12000	[Benjamin_Valentin]
Unassigned			12001-12040
application/xml	zstd	[application/xml]	12041	[Benjamin_Valentin]
Unassigned			12042-12049
application/json	zstd	[application/json]	12050	[Benjamin_Valentin]
Unassigned			12051-19999
text/css		[text/css]	20000	[RFC2318]
Unassigned			20001-29999
image/svg+xml		[image/svg+xml]	30000	[https://www.w3.org/TR/SVG/mimereg.html]
Unassigned			30001-64997
Reserved for Documentation			64998-64999	[RFC-ietf-core-cf-reg-update-09]
Reserved for Experimental Use			65000-65535	[RFC7252]

CoAP Signaling Codes

Registration Procedure(s)

IETF Review or IESG Approval

Reference

[RFC8323]

Available Formats

CSV

Code	Name	Reference
7.00	Unassigned
7.01	CSM	[RFC8323]
7.02	Ping	[RFC8323]
7.03	Pong	[RFC8323]
7.04	Release	[RFC8323]
7.05	Abort	[RFC8323]
7.06-7.31	Unassigned

CoAP Signaling Option Numbers

Expert(s)

Bilhanan Silverajan (primary), Klaus Hartke (secondary), Alexander Pelov (secondary)

Reference

[RFC8323]

Available Formats

CSV

Range	Registration Procedures	Note
0-255	IETF Review or IESG Approval	Range applies to Option Number field
256-2047	Specification Required	Range applies to Option Number field
2048-64999	Expert Review	Range applies to Option Number field
65000-65535	Experimental use (no operational use)	Range applies to Option Number field

Applies to	Number	Name	Reference
7.01	2	Max-Message-Size	[RFC8323]
7.01	4	Block-Wise-Transfer	[RFC8323]
7.01	6	Extended-Token-Length	[RFC8974]
7.02, 7.03	2	Custody	[RFC8323]
7.04	2	Alternative-Address	[RFC8323]
7.04	4	Hold-Off	[RFC8323]
7.05	2	Bad-CSM-Option	[RFC8323]
7.xx (all)	9	OSCORE	[RFC8613]

OSCORE Flag Bits

Registration Procedure(s)

Expert Review

Expert(s)

Francesca Palombini, Göran Selander, Christian Amsüss

Reference

[RFC8613]

Available Formats

CSV

Bit Position	Name	Description	Reference
0	Reserved		[RFC8613]
1	Reserved		[RFC8613]
2	Group Flag	For using a Group OSCORE Security Context, set to 1 if the message is protected with the group mode	[draft-ietf-core-oscore-groupcomm-14]
3	Kid Context Flag	Set to 1 if kid context is present in the compressed COSE object	[RFC8613]
4	Kid Flag	Set to 1 if kid is present in the compressed COSE object	[RFC8613]
5-7	Partial IV Length	Encodes the Partial IV length; can have value 0 to 5	[RFC8613]
8	Extension-2 Flag	Set to 1 if the OSCORE Option specifies a third byte, which includes the flag bits 16-23	[draft-ietf-core-oscore-key-update-03]
9-14	Unassigned
15	Nonce Flag	Set to 1 if nonce is present in the compressed COSE object	[draft-ietf-core-oscore-key-update-03]
16	Extension-3 Flag	Set to 1 if the OSCORE Option specifies a fourth byte, which includes the flag bits 24-31	[draft-ietf-core-oscore-key-update-03]
17-23	Unassigned
24	Extension-4 Flag	Set to 1 if the OSCORE Option specifies a fifth byte, which includes the flag bits 32-39	[draft-ietf-core-oscore-key-update-03]
25-31	Unassigned
32	Extension-5 Flag	Set to 1 if the OSCORE Option specifies a sixth byte, which includes the flag bits 40-47	[draft-ietf-core-oscore-key-update-03]
33-39	Unassigned
40	Extension-6 Flag	Set to 1 if the OSCORE Option specifies a seventh byte, which includes the flag bits 48-55	[draft-ietf-core-oscore-key-update-03]
41-47	Unassigned
48	Extension-7 Flag	Set to 1 if the OSCORE Option specifies a eighth byte, which includes the flag bits 56-63	[draft-ietf-core-oscore-key-update-03]
49-63	Unassigned

RD Parameters

Registration Procedure(s)

Expert Review

Expert(s)

Carsten Bormann, Jaime Jiménez, Christian Amsüss

Reference

[RFC9176]

Note

In accordance with [RFC9423], all entries with the 
"A" flag set, including new ones, MUST also be registered in the 
"Target Attributes" registry [IANA registry core-parameters].

Available Formats

CSV

Name	Short	Validity	Use	Description	Reference
Endpoint Name	ep	Unicode*	RLA	Name of the endpoint	[RFC9176]
Lifetime	lt	1-4294967295	R	Lifetime of the registration in seconds	[RFC9176]
Sector	d	Unicode*	RLA	Sector to which this endpoint belongs	[RFC9176]
Registration Base URI	base	URI	RLA	The scheme, address, port, and path at which this server is available	[RFC9176]
Page	page	Integer	L	Used for pagination	[RFC9176]
Count	count	Integer	L	Used for pagination	[RFC9176]
Endpoint Type	et	[RFC9176, Section 9.3.1]	RLA	Semantic type of the endpoint (see[RFC9176, Section 9.4])	[RFC9176]

Endpoint Type (et=) RD Parameter Values

Expert(s)

Carsten Bormann, Jaime Jiménez, Christian Amsüss

Reference

[RFC9176]

Available Formats

CSV

Range	Registration Procedures
value starts with "core"	IETF Review
all other values	Specification Required

Value	Description	Reference	Notes
core.rd-group	An application group, as described in [RFC9176] Appendix A.	[RFC9176]

Standard Problem Detail Keys

Registration Procedure(s)

Specification Required

Expert(s)

Thomas Fossati, Carsten Bormann

Reference

[RFC9290]

Available Formats

CSV

Key Value	Name	CDDL Type	Brief Description	Change Controller	Reference
-1	title	text / tag38	Short, human-readable summary of the problem shape	IETF (core@ietf.org or art@ietf.org)	[RFC9290]
-2	detail	text / tag38	Human-readable explanation specific to this occurrence of the problem	IETF (core@ietf.org or art@ietf.org)	[RFC9290]
-3	instance	~uri	URI reference identifying specific occurrence of the problem	IETF (core@ietf.org or art@ietf.org)	[RFC9290]
-4	response-code	uint .size 1	CoAP response code	IETF (core@ietf.org or art@ietf.org)	[RFC9290]
-5	base-uri	~uri	Base URI	IETF (core@ietf.org or art@ietf.org)	[RFC9290]
-6	base-lang	tag38-ltag	Base language tag (see [RFC9290, Appendix A])	IETF (core@ietf.org or art@ietf.org)	[RFC9290]
-7	base-rtl	tag38-direction	Base writing direction (see [RFC9290, Appendix A])	IETF (core@ietf.org or art@ietf.org)	[RFC9290]
-8	unprocessed-coap-option	one-or-more<uint>	Option number(s) of CoAP option(s) that were not understood	IETF (core@ietf.org or art@ietf.org)	[RFC9290, Section 3.1.1]
-25	request-body-error-position	uint	Byte index inside the request body at which the error became apparent	[CoRE_WG]	[draft-amsuess-core-pd-body-error-position-00]

Custom Problem Detail Keys

Registration Procedure(s)

Expert Review

Expert(s)

Thomas Fossati, Carsten Bormann

Reference

[RFC9290]

Available Formats

CSV

Key Value	Name	Brief Description	Change Controller	Reference
0	ace-groupcomm-error	Carry [RFC9594] problem details in a Concise Problem Details data item	IETF	[RFC9594, Section 4.1.2]
1	ace-trl-error	Carry [RFC9770] problem details in a Concise Problem Details data item.	IETF	[RFC9770, Section 6.1]
7807	tunnel-7807	Carry [RFC7807] problem details in a Concise Problem Details data item	IETF (core@ietf.org or art@ietf.org)	[RFC9290, Appendix B]

Target Attributes

Registration Procedure(s)

Expert Review

Expert(s)

Carsten Bormann, Marco Tiloca

Reference

[RFC9423]

Available Formats

CSV

Attribute Name	Brief Description	Change Controller	Reference
href	reserved (not useful as target attribute name)	IETF	[RFC6690]
anchor	reserved (not useful as target attribute name)	IETF	[RFC6690]
rel	reserved (not useful as target attribute name)	IETF	[RFC6690]
rev	reserved (not useful as target attribute name)	IETF	[RFC6690]
hreflang	(Web Linking)	IETF	[RFC8288]
media	(Web Linking)	IETF	[RFC8288]
title	(Web Linking)	IETF	[RFC8288]
type	(Web Linking)	IETF	[RFC8288]
rt	resource type	IETF	[RFC6690, Section 3.1]
if	interface description	IETF	[RFC6690, Section 3.2]
sz	maximum size estimate	IETF	[RFC6690, Section 3.3]
ct	Content-Format hint	IETF	[RFC7252, Section 7.2.1]
obs	observable resource	IETF	[RFC7641, Section 6]
hct	HTTP-CoAP URI mapping template	IETF	[RFC8075, Section 5.5]
osc	hint: resource only accessible using OSCORE	IETF	[RFC8613, Section 9]
ep	Endpoint Name (with rt="core.rd-ep")	IETF	[RFC9176, Section 9.3]
d	Sector (with rt="core.rd-ep")	IETF	[RFC9176, Section 9.3]
base	Registration Base URI (with rt="core.rd-ep")	IETF	[RFC9176, Section 9.3]
et	Endpoint Type (with rt="core.rd-ep")	IETF	[RFC9176, Section 9.3]
ed-i	Hint: support for the EDHOC Initiator role	IETF	[RFC9668]
ed-r	Hint: support for the EDHOC Responder role	IETF	[RFC9668]
ed-method	A supported authentication method for EDHOC	IETF	[RFC9668]
ed-csuite	A supported cipher suite for EDHOC	IETF	[RFC9668]
ed-cred-t	A supported type of authentication credential for EDHOC	IETF	[RFC9668]
ed-idcred-t	A supported type of authentication credential identifier for EDHOC	IETF	[RFC9668]
ed-ead	A supported External Authorization Data (EAD) item for EDHOC	IETF	[RFC9668]
ed-comb-req	Hint: support for the EDHOC+OSCORE request	IETF	[RFC9668]

Contact Information

ID	Name	Contact URI	Last Updated
[Benjamin_Valentin]	Benjamin Valentin	mailto:benjamin.valentin&ml-pa.com	2025-04-22
[CoRE_WG]	IETF CoRE WG (reverts to IETF after WG closes)	mailto:core&ietf.org
[Michael_Koster]	Michael Koster	mailto:michael.koster&smartthings.com	2017-07-03