Interoperability
Anthropic to OpenAI
Use Anthropic Messages clients with an OpenAI group.
When an API key is assigned to an OpenAI group, POST /v1/messages accepts Anthropic Messages requests and converts them to OpenAI Responses upstream.
Use this when:
- Your client only speaks Anthropic Messages.
- You want the upstream group to be OpenAI.
- You are using Claude Code-like tools with an OpenAI-backed group.
Configuration:
export ANTHROPIC_BASE_URL="https://anyroute.io"
export ANTHROPIC_AUTH_TOKEN="YOUR_ANYROUTE_API_KEY"The request still goes to /v1/messages; the OpenAI conversion happens inside AnyRoute.
AnyRoute Docs