HMAC Generator

Example:

Message: hello
Key: secret
HMAC-SHA256:
88aab3ede8d3adf94d26ab90d3bafd4a2083070c3bcce9c014ee04a443847c0b

Generate HMAC (Hash-based Message Authentication Code) with secret key. Used for API authentication and data integrity.

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FAQs

What is HMAC used for?

API authentication, JWT signatures, webhook validation, and message integrity.