Suddenly getting "Missing required parameter `client_id`"

Out of no where suddenly getting “Missing required parameter client_id” in sandbox. I see nothing wrong in how i’m passing client_id. Heres an example url = https://connect.squareupsandbox.com/oauth2/authorize?client_id=sandbox-sq0idb-eQy9uF2B_W3k0hxuirTPvA&scope=ITEMS_READ+ITEMS_WRITE+MERCHANT_PROFILE_READ+ORDERS_READ%20ORDERS_WRITE+PAYMENTS_READ+PAYMENTS_WRITE+PAYMENTS_WRITE_ADDITIONAL_RECIPIENTS

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Yes I have seen the exact same issue starting this morning - we tried changing the URL to some of the URL roots that were in the response headers on the redirects (status 301,302,303), thinking that perhaps the root URL has changed for the OATH.

Hey folks, we found some issues with the OAuth flow in Sandbox, but they should be resolved now. If you test again, are you getting the same error?

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@josh-square Seems fine now, thanks for the quick resolution on that.

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