Sign (Legacy Single-Signer)
Sign (Legacy Single-Signer)
Legacy single-signer signing endpoint retained for documents created before Phase 7 (and the Phase 4 web-page signature pad flow). Envelope-bound dispatches MUST use Submit Field Values instead.
Request
Optional: JSON-encoded metadata (e.g. user-agent, device-id) - valid JSON
Required: Recipient name typed at signing time - max 255 chars
Required: Recipient signer role - in: CUSTOMER|TENANT|PROPERTY_MANAGER|AUTHORIZED_REPRESENTATIVE|TECHNICIAN|SUBCONTRACTOR|INSPECTOR|SUPERVISOR|COMPANY_REPRESENTATIVE|WITNESS|OTHER
Required: Recipient email at signing time - valid email - max 255 chars
Required: Signature image file upload - PNG/JPG/JPEG - max 2MB (2048 KB)
Required if signer_role=OTHER: Free-form description of the role - max 255 chars

