CodeNeat

Hash Generator for API Signatures

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Many APIs use hash signatures. Generate hashes to test implementations.

Example

payload={"event":"payment.completed"}&secret=test_secret
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Tips

  1. 1API signatures use HMAC-SHA256.
  2. 2Webhook signatures verify authenticity.
  3. 3Compare computed vs header.

Frequently Asked Questions

What is HMAC?

Hash + secret key = integrity + authenticity.

Webhooks?

Sender HMACs payload, receiver verifies.

Generate HMAC?

Standard hashes only. HMAC needs implementation.