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nanocoap is a native implementation of CoAP for RIOT. Client messages are processed synchronously: a client waits for the the function that sends the request to return with the response. A CoAP server runs in a dedicated application thread.

Feature Status

Feature	Description
Confirmable message type	Supports piggybacked ACKs
Block extension	Provides Block1 server and Block2 client
Observe extension	Not implemented

Learning More

See the online API documentation for nanocoap itself, as well as generic CoAP definitions. Also, see the examples/nanocoap_server app.

Open PRs

Topic	Status

See all open 'nanocoap' PRs and Issues. See all CoAP-tagged PRs and Issues.

Roadmap

See #9309 for combined gcoap and nanocoap roadmap.

Milestones

Release	Description
2018.10	Added Block2 client support (#8932)
2018.10	Get/Put specific string options based on generic string option functions (#8920).
2018.07	Generalize nanocoap_get() to nanocoap_request() (#9086).
2018.07	Use coap_pkt_t to create message, and use this to provide a simpler API for options (#9085).
2018.04	Added Block1 server support (#8788).
2018.01	Integrate as RIOT module (#8123). Historically was an external package.