Openapi eSignature & time stamping

Bearer token required (see the openapi-auth skill). Signing and stamping are paid, legally binding actions — confirm with the user before submitting documents.

eSignature — `https://esignature.openapi.com`

eIDAS-compliant signatures with European legal validity.

Signature types

POST /EU-SES — Simple Electronic Signature for one or more signers, secured via OTP
POST /EU-QES_otp — Qualified Electronic Signature with remote OTP certificate
POST /EU-QES_automatic — massive automatic QES (high volume)
POST /EU-QES_eseal — qualified electronic seal (legal-entity seal)
POST /verify — verify an existing signature