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

# Get client by phone (WhatsApp)

> Look up a client by phone number with WhatsApp enabled.

<Warning>
  **Deprecated.** This endpoint is no longer available in the public API and is kept for reference only.
</Warning>

Retrieves a client by their phone number when WhatsApp is enabled for that client. Requires an API key with access level 1 or higher.

## Query parameters

<ParamField query="full_phone_number" type="string" required>
  Full phone number including country code.
</ParamField>

## Response

Returns the matching client. See [Get client by ID](/api-reference/management/clients/get-client) for the full field list.

<RequestExample>
  ```bash cURL theme={null}
  curl -X GET "https://api.cryptomate.me/management/clients/by-phone-whatsapp?fullPhoneNumber=14155551234" \
    -H "x-api-key: $CRYPTOMATE_API_KEY"
  ```
</RequestExample>

<ResponseExample>
  ```json 404 Not Found theme={null}
  {
    "code": "NOT_FOUND",
    "message": "Company client not found with phone number and WhatsApp enabled"
  }
  ```
</ResponseExample>