Having issues with OAuth

Questions
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1

I am having issues with the OAuth. It says client_Id not found and when I run it in sandbox mode, the browser just shows a white screen. Attaching both the links here.

https://connect.squareupsandbox.com/oauth2/authorize?client_id=sandbox-sq0idb-FTtINL_p0onasFcRf3EC7wscope=MERCHANT_PROFILE_READ%20PAYMENTS_READ&session=false

https://connect.squareup.com/oauth2/authorize?client_id=sq0idp-Nt9Ck2j8SCcKyhIkLLTTYAscope=MERCHANT_PROFILE_READ%20PAYMENTS_READ&session=false

2

:wave: I’m Square Dev AI, here to help answer your question!
Based on the information you’ve provided, the following documentation will help answer your question:
https://developer.squareup.com/docs/oauth-api/walkthrough2

Additional Documentation

OAuth Walkthrough: Test Authorization with Web Server
Square Sandbox
OAuth API

If this documentation helped you find a solution, please check the box indicating that this reply solves the problem.
Otherwise one of our Developer Advocates will provide additional assistance shortly.

3

The issue you’re experiencing might be due to a typo in your authorization URL. The URL parameters should be separated by an “&” symbol. In your URL, it seems like there’s no “&” symbol between your client_id and scope parameters.

The corrected URL should look like this:

https://connect.squareupsandbox.com/oauth2/authorize?client_id=sandbox-sq0idb-FTtINL_p0onasFcRf3EC7w&scope=MERCHANT_PROFILE_READ%20PAYMENTS_READ&session=false

Please try using this corrected URL and see if the issue persists.

This answer was reviewed by @Bryan-Square.

4

Also do you have the sandbox seller Dashboard open? :slight_smile: