Document AI — E-Signatures

Sign document

Signer-facing public endpoint. Submit a signature for an active signing request after OTP verification.

post/signature_link/sign

Request

  • Base URL: https://api.paperoffice.ai/latest
  • URL: https://api.paperoffice.ai/latest/signature_link/sign
  • Auth: HTTP bearer

Request body

tokenstring required

Same signing token as verify_otp (from ?token=). Example: {"token":"<from signing URL>","verified_token":"...","signature":"Jane Doe","signature_type":"type"}

verified_tokenstring

Verification token returned by po_signature_links_verify_otp.

signaturestring required

Signature payload (Base64 PNG for draw/upload, plain text for type).

signature_type'draw' | 'type' | 'upload'

Signature method: drawn, typed, or uploaded image.

signer_namestring

Display name of the signer.

client_dataobject

Additional client data (IP, timestamp, User-Agent).

Response

Success

status'success' | 'error' required

HTTP-Level Status

job_idstring required
messagestring

Menschenlesbare Statusmeldung

pipelinestring
operationstring

Ausgefuehrte Operation

processing_timestring

Gesamte Verarbeitungszeit inkl. Queue (Format: 123.45ms)

Changes

No recorded changes to this operation across all 1 revision of this API.