So you have a key that you generated from another service? It may depend on the type of key generated.
For instance, in Airtable, they recently removed the ability to create API Keys and now have tokens. I am able to use these tokens if I set the Authentication Type in the Actions configuration to API Key and set the API Key type to Bearer. Then I paste the token string in and it works.
For the API you are using, is there any indication what type of key it is?
It seems the Action Authorization configuration is just a suggestion to the GPT? (I don’t know for sure).
I have one GPT where it works fine
and another that no matter what I try in the left hand config it will hallucinate a key value; in the runtime chat I told it the explicit key to use and that worked, however end users should not be entering keys. I guess you just have to talk to it nicely in the config chat until it decides to work
I’m also concerned that it could be quite easy for end users to get api key values etc by asking for full diagnostics, the setup will need extensive security phrases to attempt to prevent this type of issue and even then can not be 100% sure secrets remain safe.