Common Paper Webhooks

generated: '2026-07-18'
method: searched
spec_type: Webhooks
source: https://api.commonpaper.com/docs/webhooks
note: >-
  Common Paper documents a webhook event surface (no published AsyncAPI). Webhooks
  are configured in the account Settings section by providing a destination URL.
  Each event POSTs a flat JSON payload describing the agreement and the event.
  The docs do not describe HMAC signature verification.
delivery:
  transport: https-webhook
  configuration: Settings section of the Common Paper account (destination URL only)
  signature_verification: not documented
payload_fields:
- agreement_id (uuid)
- agreement_type (string)
- template_name (string)
- url (string)
- sender_email (string)
- sender_name (string)
- recipient_organization (string)
- recipient_email (string)
- recipient_name (string)
- status (string)
- event_type (string)
- event_date (timestamp, UTC)
- event_description (string)
events:
- event: sent
  description: Sender sends the agreement
- event: reassign
  description: Sender reassigns to a new recipient
- event: voided
  description: Sender voids the agreement
- event: viewed
  description: Recipient views the agreement
- event: reassigned
  description: Recipient reassigns to a different person
- event: declined
  description: Recipient declines the agreement
- event: signed
  description: Recipient signs, or sender/signer signs
- event: proposed changes
  description: Recipient proposes changes, or sender counter-proposes
- event: sent reminder
  description: Sender sends a reminder email
- event: downloaded PDF
  description: Recipient downloaded the PDF version
- event: downloaded Word document (DOCX)
  description: Recipient downloaded the DOCX version
- event: sent for signature
  description: Sender sent the agreement for signature
- event: completed
  description: Both parties have signed