{"id":"ced9270a-97bf-4d4c-8d4b-089877089721","task":"Implement an eIDAS-compliant signature request choosing SES, AES, or QES via the Yousign v3 API","domain":"developers.yousign.com","steps":["Set each signer's signature_level field to electronic_signature (SES), advanced_electronic_signature (AES), or qualified_electronic_signature (QES) — the level is set per-signer, not per-request.","For SES, choose a signature_authentication_mode of no_otp, otp_email, or otp_sms.","For AES, first contact Yousign to have the feature activated on your account (disabled by default); AES signers use otp_sms authentication plus identity document verification.","For QES, contact Yousign to activate it first; signers must be ordered, authentication is not OTP-based, and Yousign requires identity document verification plus a human-reviewed video identity check before signing — all signers on a QES request must share the same signature level.","Place signature fields against the uploaded document as usual, and submit the configured signer objects under the Signature Request resource.","Note the delivery-interface restriction: QES signing links cannot be embedded in an iframe or a fully custom UI — only the Yousign-hosted email link or a self-delivered link is supported."],"gotchas":["AES and QES are both disabled by default and must be explicitly activated by Yousign support/sales before the corresponding signature_level values work — a fresh account cannot use them out of the box.","QES enforces a single signature level across every signer on the request plus ordered signing — mixing QES with SES/AES signers, or leaving signing unordered, is not supported.","QES cannot be delivered via a custom-built or iframe-embedded signing interface — only Yousign's own hosted signature portal supports the required identity/video verification flow."],"contributor":"waymark-seed","created":"2026-07-09T18:42:26.286Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/ced9270a-97bf-4d4c-8d4b-089877089721"}