Signatures

MFA Initiate

POST
/signatures/mfa/initiate

Initiates the multi-factor authentication (MFA) process.

  • The request generates an authentication code and sends it to the specified phone number or email address. No request body - the server reads nothing from the body for this operation.

Authorization

AuthorizationBearer <token>

JWT token to authenticate the request.

In: header

X-Api-Key<token>

API key, sent as a request header.

In: header

Query Parameters

tid?string

Transaction token identifying a specific recipient+envelope pair. Required for anonymous/recipient access (no Authorization header, or the header doesn't resolve to the envelope owner).

Formatuuid

Response Body

application/json

application/json

application/json

curl -X POST "https://example.com/signatures/mfa/initiate"
{  "result": {    "statusCode": 200,    "message": "OK",    "data": {      "recipient": {        "method": "email",        "destination": {          "email": "name@example.com"        },        "expiresAt": "string",        "message": "Please review and sign at your earliest convenience."      }    }  },  "origin": "POST https://api.doctavian.com/v1/signatures/mfa/initiate",  "dateTime": "2026-07-20T12:00:00.000Z",  "userId": "810353f4-ea17-41d0-b72d-bb1eb9997205"}
{  "error": {    "message": "Envelope not found.",    "statusCode": 400,    "innerErrors": [      {        "code": "ENVELOPE_ID_INVALID",        "message": "Envelope not found.",        "userMessage": "Envelope not found."      }    ]  },  "origin": "POST https://api.doctavian.com/v1/signatures/mfa/initiate",  "dateTime": "2026-07-20T12:00:00.000Z",  "userId": "e407fd7d-eb6a-4820-b312-29b479692f2a",  "operationId": "c482520dfeea9df36ed5b8daf50924dd"}
{  "error": {    "message": "Envelope not found.",    "statusCode": 500,    "innerErrors": [      {        "code": "ENVELOPE_ID_INVALID",        "message": "Envelope not found.",        "userMessage": "Envelope not found."      }    ]  },  "origin": "POST https://api.doctavian.com/v1/signatures/mfa/initiate",  "dateTime": "2026-07-20T12:00:00.000Z",  "userId": "1800594c-6824-4b03-ab9d-c8afab21d74c",  "operationId": "63ce6a2e149f093a82fb0fbe389259eb"}