HMAC Generator

Crypto REST API

Generate an HMAC signature using SHA-1, SHA-256, or SHA-512.

This page documents the HTTP endpoint POST /api/tools/hmac/execute.

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Call it over REST

POST https://api.findutils.com/api/tools/hmac/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/hmac/execute \
  -H "Content-Type: application/json" \
  -d '{
    "text": "Hello, World!",
    "key": "secret",
    "algorithm": "SHA-256"
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/hmac

Interactive docs · OpenAPI 3.1 spec · All REST tools

Input schema

Argument Type Required Description
text string yes The message to sign.
key string yes The secret key.
algorithm string (SHA-1 | SHA-256 | SHA-512) no HMAC algorithm.

Example arguments (verified)

{
  "text": "Hello, World!",
  "key": "secret",
  "algorithm": "SHA-256"
}

MCP

This tool is served over the REST API only. 292 other tools are also callable from Claude and any MCP client — see the MCP server.

More Crypto tools

Hash Generator

Generate MD5, SHA-1, SHA-256, or SHA-512 hash of a string.