How to use the ChatGPT API key There are generally two ways to use an OpenAI key: The key is entered into the settings page of a software program that accesses OpenAI for you. The key is used ...

Typically, we use JWT tokens for token-based authentication. For all subsequent requests to the API, the token is passed with the request, preferably in the request header.

Claude Sonnet 4 has been upgraded, and it can now remember up to 1 million tokens of context, but only when it's used via API ...