> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bleepay.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Challenge

> Get a verification challenge for device registration.

`GET /api/v1/auth/get-challenge`

Returns a challenge string that must be included when signing up with a mobile device. The challenge is used in the device attestation flow to verify the authenticity of the device.

## Parameters

None.

## Request example

```shell theme={null}
curl --request GET 'https://payments.bleepay.com/api/v1/auth/get-challenge'
```

## Response

### Response schema

| Field       | Type     | Description                   |
| ----------- | -------- | ----------------------------- |
| `challenge` | `string` | Verification challenge string |

### Example response

```json theme={null}
{
  "challenge": "abcdefghijklmnopqrstuvwxyz0123456789abcdefghij"
}
```

### Error responses

| Status | Code         | Description       |
| ------ | ------------ | ----------------- |
| `429`  | `rate_limit` | Too many requests |