Register a webhook endpoint to receive real-time notifications about payment events like success or failure
payment_intent.status.updatedBearer authentication header of the form Bearer <token>, where <token> is your auth token.
Url where webhooks will be sent
Optional. Provide your client secret if you want to verify the authenticity of the request using HMAC. This ensures the request hasn't been tampered with. You can generate your own secret and use it consistently for signing and verifying requests.