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updatedAt: 2026-06-17T20:40:01.000Z
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Fetch the complete documentation index at: https://developers.formstack.com/llms.txt. Use this file to discover all available pages before exploring further.

# Webhooks

Webhooks push submission data to an external URL in real time as forms are submitted. Use these endpoints to list a form's webhooks and to create, retrieve, update, and delete them, configure payload format, HMAC signing, and failure notifications, and fetch the generated OpenAPI definition describing a webhook's payload.