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HMAC Generator
Generate HMAC signatures for API authentication
Algorithm
SHA-256 (Recommended)
SHA-512
SHA-1
MD5
Message
Secret Key
Output Format
Hexadecimal (Lowercase)
Hexadecimal (Uppercase)
Base64
Generate HMAC
Copy
HMAC Output:
Click generate to create HMAC
What is HMAC?
HMAC (Hash-based Message Authentication Code) is used for API authentication, webhook verification, and data integrity checks. It combines a secret key with message content using a cryptographic hash function.
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