HMAC calculator, HMAC-SHA256 SHA512 SHA1 MD5, message authentication code, hash with secret, signed hash, API request signing, webhook signature, JWT signature. Compute HMAC of a message with a secret key using any standard hash algorithm. Accepts payment on Base or Solana — either network works.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.008000 USDC | 0x4466...125e |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.01 tokens | 9urRvU...o1up |