Real-world workflow
Use CaseSign a Webhook Payload With HMAC
Produce an HMAC-SHA256 hex signature for a webhook body and shared secret before wiring verification.
16 August 2026 By Tools.Town Team 5 min read
Steps
- Open the HMAC Generator.
- Keep HMAC-SHA256 and hex unless your provider says otherwise.
- Paste the exact raw body string and the shared secret.
- Compare the signature to what your local verifier expects.
Related
Frequently Asked Questions
Which encoding?
Most docs use lowercase hex; some use Base64 — match the provider.