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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	Block1 supported; Block2 support in open #8932
Observe extension	Not implemented

Learning More

See the online API documentation for nanocoap itself, as well as generic CoAP definitions. Also see more detailed API documentation in open #10036. Also, see the examples/nanocoap_server app.

Open PRs

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

Roadmap

See #9309 for combined gcoap and nanocoap roadmap. Below are other features we have in mind.

Milestones

Release	Description
pending	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 support (#8788).
2018.01	Integrate as RIOT module (#8123). Historically was an external package.