Supported events
audit.completedaudit.failedcontent.readysubscription.updatedsubscription.cancelled
Signing
Every delivery includesX-Seo-Signature — an HMAC-SHA256 of the raw body using your webhook secret. Verify server-side before trusting the payload.
Example
import hmac, hashlib
sig = hmac.new(secret.encode(), raw_body, hashlib.sha256).hexdigest()
assert sig == request.headers["X-Seo-Signature"]