Hi All, I'm looking to Log In to the Dashboard Developer REST HTTP API of a printer we have on site using Node Red to get the access token and ultimately be able to receive status information of the printer and forward it on to a PLC (Siemens) Regarding the Log In to the API, the below instruction…

[image] Dedoyler: --data 'grant_type=password&client_id=your_client_id&client_secret=yo ur_client_secret&username=your_username&password=your_password As the data is JSON (which is case sensitive), try using same case in your payload [image]

Node-RED

Node-RED Forum

Rest http api post request

General

mudwalker 6 January 2023 09:01 6

When I was doing a similar thing, my flow worked 100% once I added msg.header = {} to declare msg.headers as an object before defining . See this post here

Topic		Replies	Views
Access REST API to retrieve a JSON Web Token (JWT) General	1	954	10 October 2018
Sending HTTP POST Requests General	3	1438	14 January 2020
How to authorize http api using post with username and password General	11	7162	13 July 2020
HTTP Post with Parameter and Body General	6	15162	15 February 2020
Sending POST HTTP-Request in JSON for REST-API Developing Nodes	6	16302	9 June 2021

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Rest http api post request

Related topics