GitHub webhook signature verifier
Check an X-Hub-Signature-256 value against the exact webhook body.
Result
Add your input, then select Check signature.
How to use it
Paste the raw request body, sha256= header and your webhook secret. Compare the SHA-256 HMAC locally.
What to keep in mind
A matching signature does not prevent replay or prove that you processed the delivery. Use your server-side verification library.
Up to 2 MB per input, with smaller limits for complex operations. Clear removes the current input and result.
Catch problems while customers use your app.
Braith reviews sampled app activity for likely failures and friction. Keep your error tracker for exceptions and stack traces.
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