Nexus ERP / Docs

Developer API Reference

Nexus ERP exposes a small REST API for integrating with the rest of your stack. Every request authenticates with an OrgApiKey sent in the Authorization header.

Authentication

Generate keys at Dashboard → Developer, or open any endpoint page below and click Generate test token for a one-hour key scoped to leads.

Authorization: Bearer sk_xxxxxxxx_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Conventions

  • All requests and responses are JSON.
  • Timestamps are ISO-8601 strings in UTC (e.g. 2026-04-29T13:00:00.000Z).
  • Phone numbers are normalised to E.164 format (e.g. +14155550101); pass full international format on input.
  • Errors are JSON: { "error": "..." } with the appropriate status code (400/401/403/404/500).
  • List endpoints are paginated, max 100 items per page - see Pagination.

Endpoints

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