CODEWITHSUNDEEP
javascriptoauth-2.0slack-api
Mix Master Mike
Mix Master Mike

Reputation: 1309

Slack OAuth Setup Step 1 - Testing w/ Postman - Error: Invalid client_id parameter

I'm in the process of setting up oauth following the process laid out by Slack for my Slack app (I've used a token previously for the same app). Unfortunately I'm hitting a snag with step 1. I'm using Postman to test out the GET request to https://slack.com/oauth/authorize by passing along 3 parameters (client_id, scope, & redirect_uri) expecting something that gets me closer to receiving a code (step 2). But what I receive is an error message of Invalid client_id parameter. I've checked my client_id in Postman against what's provided by Slack multiple times but can't figure out where this issue is stemming from. What am I doing wrong?

Additionally I'm thinking of using Passport with the Passport-Slack strategy for authentication.

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Upvotes: 2

Views: 2713

Answers (1)

Erik Kalkoken
Erik Kalkoken

Reputation: 32737

The reason this does not work is that you have defined the properties in the header, but you need to provide those as GET parameters.

To fix remove them from the header and either add them to the URL (e.g. ?client_id=xxx&scope=xxx) or click on Params next to the Send button to enter them directly.

Upvotes: 1

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