I'm dumb and I forgot my Client ID

I have my secret, so that’s OK, but I don’t recall what my Client ID is supposed to be. Is there a way to recover this? Or is it something common that I’m just missing.

EDIT: OK, I found it. Didn’t think to look under API Access. Which in hindsight is pretty stupid.

Now I’m getting error 401 Unauthorized on the api’s Try It page. This is after having to modify the initial OAuth request with state='' due to the api pages failing to include it.

The “Try it” feature of the official docs is broken right now. It is still using the token as part of the queryString instead of the Authorization header.
I suggest using an external tool such as Postman or Insomnia for testing the API.