OneProvider

API reference

Messages API

Anthropic-native /v1/messages with tool_use, vision, system prompts. Full request/response shape.

Use this page

Use the endpoint and request shape below as a starting point, then open the hydrated page for complete parameter details. Anthropic-native /v1/messages with tool_use, vision, system prompts. Full request/response shape.

Configuration context

curl https://api.oneprovider.dev/v1/messages \
  -H "x-api-key: sk-..." \
  -H "anthropic-version: 2023-06-01"