Onboard REST API

REST declared

Details

URL: https://rest.onboard.io
Spec: https://docs.onboard.io/openapi.json
Docs: https://docs.onboard.io/docs/getting-started

Authentication

Onboard API token bearer declared Get token ↗

Authorization: Bearer <credential>

Sign in to Onboard app as an admin, then open Settings → Integrations → API and create or copy an API key. Older REST docs also point to Company settings → API key. Send it in Authorization using the Token scheme for the REST API; some MCP clients accept the same key in client-specific token fields or headers.