Sign a Signature Request

Sign a Signature Request on behalf of a given Signer.

Use this endpoint if you are integrating your own signing flow (Signers won't go through Yousign's pre-made signing flow).

Related guide: Building your own signing flow


To use this endpoint, you must match the following conditions:

  • You are in free API Trial period or you are on a SCALE plan
  • The Signature Request delivery_mode must be set to none
  • The Signature Request must not have any Approver
  • The Signature Request must not have the parameter signers_allowed_to_decline set to true
  • The signature level must be "Simple eSignature".
  • No Signer Fields can be used, except the Signature Field
Click Try It! to start a request and see the response here!