> ## 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.

# SMS API reference

> SMS operations in the External Integration OpenAPI contract.

<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>

SMS operations (business-scoped):

| Method | Path |
| - | - |
| POST | `/v1/businesses/{businessId}/sms/messages` |
| GET | `/v1/businesses/{businessId}/sms/messages` |
| GET | `/v1/businesses/{businessId}/sms/messages/{messageId}` |
| POST | `/v1/businesses/{businessId}/sms/bulk-messages` |
| GET | `/v1/businesses/{businessId}/sms/bulk-messages` |
| GET | `/v1/businesses/{businessId}/sms/bulk-messages/{bulkMessageId}` |
| GET | `/v1/businesses/{businessId}/sms/bulk-messages/{bulkMessageId}/messages` |
| GET/POST | `/v1/businesses/{businessId}/sms/templates` |
| GET/PATCH | `/v1/businesses/{businessId}/sms/templates/{templateId}` |

Canonical schemas and examples live in the repository OpenAPI document.
Interactive OpenAPI mounting in Mintlify is prepared but not enabled until
publication is authorized.


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