Protocols and URL Rules

ProtocolBase URLAuthenticationTypical final path
OpenAI Chat Completionshttps://getrouter.ai/v1Bearer/v1/chat/completions
OpenAI Responseshttps://getrouter.ai/v1Bearer/v1/responses
Anthropic Messageshttps://getrouter.aix-api-key/v1/messages
Gemini-compatiblehttps://getrouter.aix-goog-api-key or ?key=/v1beta/models/...
Full Chat endpointhttps://getrouter.ai/v1/chat/completionsBearerNo path appended

A client that can send a text prompt is not automatically compatible with streaming, tool calling, images, structured output, or Responses events. Verify every capability required by your workflow.