mr-sim

An OpenAI-compatible LLM simulator. Returns a hardcoded response for any request.

API token

Pass this as Authorization: Bearer <token>. This token is intentionally public — it exists only so clients can exercise an auth path against a fake LLM endpoint.

sk-mrsim-test-1234567890abcdef

Endpoint

POST /chat/completions

Example

curl -X POST https://sim.multi-router.ai/chat/completions \
  -H "Authorization: Bearer sk-mrsim-test-1234567890abcdef" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-4","messages":[{"role":"user","content":"hello"}]}'