> ## Documentation Index
> Fetch the complete documentation index at: https://developers.1-funnel.org/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenAPI specification

> Machine-readable OpenAPI 3.1 contract for the External Integration API.

<Warning>
  **Developer Preview**

  This documentation describes the upcoming 1Funnel External Integration API.

  The documented API endpoints and authentication services are not yet available
  for public integration.

  You can explore the API specifications, request and response schemas, webhook
  events, and integration guides.

  Sandbox and production availability will be announced separately.
</Warning>

## Canonical editable source

`openapi/external-integration-api/openapi.yaml` (multi-file authoring tree)

## Published artifact

Self-contained OpenAPI 3.1 document used by Mintlify:

[`/specs/external-integration-api.openapi.yaml`](/specs/external-integration-api.openapi.yaml)

* Version: `0.1.0-draft`
* Operations: 27
* Permissions: 13

Regenerate with `npm run publish:contracts`.

Interactive API execution is disabled (`api.playground.display: none`).


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.