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Verifying webhook signatures

Updated by Clustrix Admin · May 21, 2026 · 7 views

Headers we send:

  • X-Clustrix-Signature: t=TIMESTAMP,v1=HASH
  • X-Clustrix-Event
  • X-Clustrix-Delivery-Id

Verify it

$expected = hash_hmac("sha256", $rawBody, $signingSecret);\nif (!hash_equals($expected, $providedHash)) abort(400);

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