Developer documentation

Docs

7
POST

Create Chat Completion

/v1/chat/completions

Creates a model response from conversation history with streaming, tools, and usage accounting.

AuthBearer
FormatOpenAI Chat Completions
Models5
BillingUsage
gpt-4ogpt-4.1gpt-5o3o4-mini
quickstart/v1/chat/completions
curl https://api.routekey.ai/v1/chat/completions \
  -H "Authorization: Bearer $ROUTE_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-4o","messages":[]}'