HMAC Generator

Generate an HMAC hash using a secret key and various algorithms.

When to use this tool

Essential for API authentication (AWS SigV4, JWT signing), verifying message integrity between parties sharing a secret key. Used extensively in webhook verification, OAuth tokens, and secure microservice communication.

How to use

Enter your message and secret key in the respective fields. Select the desired hash algorithm from the dropdown. Click "Generate" to produce the HMAC output.

Input

Secret Key

Algorithm

Output

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API Reference

Tier: Free
Endpoint: POST http://5.75.144.42/api/v1/tools/cryptography/hmac-generator
Method: POST
Content-Type: application/json

Rate Limits

Unauthenticated: 10 req/min
Free: 30 req/min
Premium: 1000 req/min

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Request Body

{
    "input": "Hello World"
}

Sample Request

curl -X POST "http://5.75.144.42/api/v1/tools/cryptography/hmac-generator" \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer YOUR_API_KEY" \
    -d '{"input":"Hello World"}'

Sample Response

{
    "success": true,
    "data": {
        "input": "Hello World",
        "result": "a591a6d40bf420404a011733cfb7b190d62c65bf0bcda32b57b277d9ad9f146e"
    },
    "meta": {
        "tool": "hmac-generator",
        "tier": "free"
    }
}