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Webhooks

Outbound webhooks sent by SiPhox to the URLs configured in your business settings (Admin Dashboard → Settings → Webhook URLs). Every request is a POST with a JSON body and an X-Signature header containing the HMAC-SHA256 of the raw request body, using your API token as the secret — verify this signature server-side before acting on the payload, and respond with a 2xx to acknowledge. Delivery history is available in the Admin Dashboard, where individual deliveries can be replayed.