| Parameter Name | Required | Format | Comment |
|---|---|---|---|
| mobile_number | No | 10-digit mobile number | Mobile number of the signatory, in case it was provided. |
| No | Valid email | Email of the signatory, in case it was provided in the request. | |
| signing_url | Yes | Signing URL, at which the signature will happen. | The URL at which the customer can sign the document. |