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.
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).
Format
uuidResponse 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": "string" }, "expiresAt": "string", "message": "string" } } }, "origin": "string", "dateTime": "string"}{ "error": { "message": "Envelope not found.", "statusCode": 400, "innerErrors": [ { "code": "ENVELOPE_ID_INVALID", "message": "Envelope not found.", "userMessage": "Envelope not found." } ] }, "origin": "POST https://apim-mavenheadless-dev-westeu-1.azure-api.net/v1/signatures/envelope/create", "dateTime": "2026-07-20T12:00:00.0000000+00:00"}{ "error": { "message": "Envelope not found.", "statusCode": 400, "innerErrors": [ { "code": "ENVELOPE_ID_INVALID", "message": "Envelope not found.", "userMessage": "Envelope not found." } ] }, "origin": "POST https://apim-mavenheadless-dev-westeu-1.azure-api.net/v1/signatures/envelope/create", "dateTime": "2026-07-20T12:00:00.0000000+00:00"}