Use this operation to register a signature in a signature request.
The signature is automatically anchored (on behalf of the owner of the signature request).
The signature anchor created is added to the list of signature anchors of the signature request.
This is a publicly accessible endpoint: authentication is not required to register a signature.
400Invalid request. More details are returned in the response body as a JSON object.
401Unauthorized. The signee is not an authorized signee (public key or signee identifier not found, or invalid OTP).
402Insufficient credits. The owner of the signature request runs out of signature or anchoring credit.
403Forbidden. The signature request is suspended, the deadline has been reached, the maximum number of signatures has been reached or the OTP has expired.
404Signature request not found.
409Conflict. The signee has already signed.
429Too many requests. A minimum delay of 1 second is required after providing an invalid OTP.
