Default path
For OpenAI-compatible chat, use:https://api.pipellm.ai (no /v1 prefix):
Protocol headers
Native routes keep the header the corresponding SDK expects:
Anthropic requests also send
anthropic-version: 2023-06-01.
Converter routes
Use a converter base URL only when you want to keep one SDK format and call a model from another protocol family. See Routing & Protocols.Failed authentication
Missing or invalid keys return401: