node package manager


A CLI for CoAP


CoAP-CLI is a command line interface for CoAP, built on node.js and node-coap.

Constrained Application Protocol (CoAP) is a software protocol intended to be used in very simple electronics devices that allows them to communicate interactively over the Internet. - Wikipedia

Install node.js, and then from a terminal:

npm install coap-cli -g
  Usage: coap [command] [options] url
    get                    performs a GET request
    put                    performs a PUT request
    post                   performs a POST request
    delete                 performs a DELETE request
    -h, --help               output usage information
    -V, --version            output the version number
    -o, --observe            Observe the given resource
    -n, --no-new-line        No new line at the end of the stream
    -p, --payload <payload>  The payload for POST and PUT requests
    -q, --quiet              Do not print status codes of received packets
    -c, --non-confirmable    non-confirmable


PUT and POST requests body are sent from the standard input by default. E.g.

echo -n 'hello world' | coap post coap://localhost/message

If you want to type it you can end the standard input by pressing CTRL-D.

Copyright (c) 2013 Matteo Collina

node-coap is licensed under an MIT +no-false-attribs license. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details.