> ## 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.

# otp.challenge.locked.v1

> Outbound webhook event otp.challenge.locked.v1.

<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>

Generated from the AsyncAPI example for `otp.challenge.locked.v1`. Payload fields are the
approved minimal resource-reference set.

## Required `data` fields

* `challenge_id`
* `status` (`locked` for this event)
* `occurred_at`

## Example

```json theme={null}
{
  "id": "018f3c4e-7b2a-7c3d-8e9f-ffffff000022",
  "type": "otp.challenge.locked.v1",
  "created_at": "2026-10-13T09:02:00.000Z",
  "business_id": "018f3c4e-7b2a-7c3d-8e9f-0123456789ab",
  "api_version": "v1",
  "data": {
    "challenge_id": "018f3c4e-7b2a-7c3d-8e9f-dddddddddd02",
    "status": "locked",
    "occurred_at": "2026-10-13T09:02:00.000Z"
  }
}
```


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