Secure Seatable Webhooks with HMAC SHA256 Validation

This workflow provides a robust method for validating incoming Seatable webhooks using HMAC SHA256 signatures, enhancing security by ensuring webhook authenticity. It begins with a webhook trigger that listens for POST requests from Seatable. When a webhook is received, the workflow calculates an HMAC SHA256 hash of the raw request body using a shared secret key. It then compares this computed hash with the ‘x-seatable-signature’ header sent by Seatable. If the signatures match, the workflow responds with a 200 OK status and forwards the request for further processing. If the signatures do not match, it responds with a 403 Forbidden status, halting further actions. This setup is particularly useful for securely integrating Seatable webhooks into your WordPress or other backend systems, preventing unauthorized requests and potential security breaches.