subscribe to mindbody webhooks and validate inbound signatures
domain: developers.mindbodyonline.com · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Authenticate with Api-Key, SiteId, and staff token headers against the Webhooks API (a separate host from the Public API).
Call GET EventTypes to see available event types such as client.created or class.booked.
POST a Subscription with the SiteId(s), event type names, and your HTTPS callback URL; record the returned messageSignatureKey.
On each inbound webhook POST, compute an HMAC-SHA256 of the raw request body using the stored messageSignatureKey, prefix it with sha256=, and compare it to the signature header.
Reject any request whose computed signature does not match before processing the payload.
Known gotchas
The messageSignatureKey is returned only once at subscription creation; store it securely since it is not retrievable later.
Signature comparison must use the raw, unparsed request body; re-serializing JSON before hashing breaks the match.
Webhook delivery is at-least-once, so handlers must be idempotent for duplicate deliveries.
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