How to use Webhook Builder
What does it do?
Builds an HMAC-signed webhook request and verifies an existing signature.
What you need
A JSON payload and a signing secret.
Steps
- Enter the endpoint URL and payload.
- Enter the secret and pick the algorithm and encoding.
- Add a timestamp if your system requires one.
- Press “Sign & build request”, or paste a signature to verify.
What you get
The signature header, a complete cURL command and the verification result.
Tips for better results
- Use the same algorithm and encoding as your receiving system.
- A timestamp prevents replaying old requests.
Requirements
Requires a Creator or Studio plan. Runs in your browser and does not upload your files to any server.
Top 4 uses
1Testing receivers
A developer tests a webhook endpoint before launch.
2Debugging
A developer finds why signature checks fail.
3Payment integrations
A team simulates a successful payment notification.
4Training
A trainer demonstrates webhook security.
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