post https://api.signeasy.com/v3/rs/envelope/
Send a signature request with multiple documents (original + template)
Create a new signature request with various fields you can programmatically position exactly where you need the signer to fill or sign in the document.
Multifactor Authentication
Advanced authentication, such as OTP to the recipient's mobile number, is available only on the API Advanced Plan. Please contact [email protected] for more details.