Trying the REST API with Insomnia REST Client (Session expire or invalid session)

rest-api

GOAL: Use Insomnia REST Client to get data from Salesforce (REST API), in order to implement a server to server solution where I get data (programmatically) from Salesforce without interactively login.

What I have done:

  • configure an App in Salesforce to get a client_id and client_secret
  • Reset security token to use with the username password. password = PASSWORD + SECURITY TOKEN, see below

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I am able to get an access_token with 200 OK

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Then I use the access_token above to get data by setting Authorization bearer as a header. It fails with Session expired or invalid 401 Unauthorized

Any pointers on what I am doing wrong? or on how to use Insomnia REST client?

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Best Answer

Make sure to use the same domain as that is returned in your instance url (my.salesforce.com is what I see from your screenshot) field when you obtained the token.

If you try to use lightning domain it will be unauthorized request.

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