What do you mean “use their own credentials for API calls”?
If you mean:
- you built a custom GPT action
- your custom GPT action will call endpoints to an external service that you own
- and you expect the user of your custom GPT action to also have an account on the external service you own
- therefore, you want the user in your custom GPT to read/write data to the external service using their credentials for the external service via API calls to the external service
The answer is yes, this can be done using oAuth.
- your external service needs to also provide oAuth as a server
- I literally just figured this out using Django
- but there are some teething issues with openAI that are not well documented.
If I misunderstood your question, then feel free to ignore me.
If I understood your question perfectly, I just figured out how to do exactly the above and I have consolidated my learnings here in a separate thread in this forum.