[Feature Request]: Add the specification of LLM's api_key through the API interface

[oceanzhang2014]

Is there an existing issue for the same feature request?

• [X] I have checked the existing issues.

Is your feature request related to a problem?

No response

Describe the feature you'd like

Hope to add the specification of the large model's api_key through the API interface.

Describe implementation you've considered

No response

Documentation, adoption, use case

No response

Additional information

No response