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

# Request Sender ID

Request a new sender ID.

<ParamField body="sender_id" type="string" required>
  Desired sender ID (alphanumeric, max 11 characters)
</ParamField>

<ParamField body="reason" type="string" required>
  Reason for requesting this sender ID
</ParamField>

## Request Example

<RequestExample>
  ```json theme={null}
  {
    "sender_id": "MYBIZ",
    "reason": "Business messaging"
  }
  ```
</RequestExample>

## Success Response (201)

<ResponseExample>
  ```json theme={null}
  {
    "success": true,
    "message": "Sender ID request submitted",
    "sender_id": {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "sender_id": "MYBIZ",
      "status": "pending",
      "created_at": "2025-11-27T10:30:00Z"
    }
  }
  ```
</ResponseExample>