SHA-224 API Introduction

API Overview

The SHA224.com REST API provides secure, reliable access to SHA-224 cryptographic hash functionality through simple HTTP requests. Use our API to calculate SHA-224 hashes, verify data integrity, generate digital signatures, and implement secure authentication mechanisms in your applications.

Getting Started

To start using the SHA224.com API, follow these steps:

Base URL

All API requests should be made to the following base URL:

https://api.sha224.com/v1

The API is served over HTTPS only. Any HTTP requests will be redirected to HTTPS.

Authentication

All API requests require authentication using your API key. You can include your API key in one of two ways:

1. Authorization Header (Recommended)

Authorization: Bearer YOUR_API_KEY

2. Query Parameter

https://api.sha224.com/v1/hash?api_key=YOUR_API_KEY

API Endpoints

The SHA224.com API provides the following primary endpoints:

For detailed information about request parameters, response formats, and example code for each endpoint, visit the Endpoints Documentation.

Example Usage

Here's a simple example of calculating a SHA-224 hash using the API:

curl -X POST \
  https://api.sha224.com/v1/hash \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "data": "Hello, world!",
    "encoding": "utf8"
  }'

import requests

url = "https://api.sha224.com/v1/hash"
headers = {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json"
}
data = {
    "data": "Hello, world!",
    "encoding": "utf8"
}

response = requests.post(url, headers=headers, json=data)
result = response.json()

print(f"SHA-224 hash: {result['hash']}")

fetch('https://api.sha224.com/v1/hash', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    data: 'Hello, world!',
    encoding: 'utf8'
  })
})
.then(response => response.json())
.then(data => {
  console.log(`SHA-224 hash: ${data.hash}`);
})
.catch(error => console.error('Error:', error));

<?php
$url = "https://api.sha224.com/v1/hash";
$data = array(
    "data" => "Hello, world!",
    "encoding" => "utf8"
);

$options = array(
    'http' => array(
        'header'  => "Content-type: application/json\r\nAuthorization: Bearer YOUR_API_KEY\r\n",
        'method'  => 'POST',
        'content' => json_encode($data)
    )
);

$context  = stream_context_create($options);
$result = file_get_contents($url, false, $context);
$response = json_decode($result, true);

echo "SHA-224 hash: " . $response['hash'];
?>

Example Response

{
  "success": true,
  "hash": "4575bb4ec129df6380cedde6d71217fe0536f8ffc4e18bca530a7a1b",
  "algorithm": "sha224",
  "encoding": "hex",
  "timestamp": "2025-05-15T08:42:15Z"
}

Response Codes

The API uses standard HTTP response codes to indicate the success or failure of requests:

For more details on response codes and error handling, see the Responses & Status Codes documentation.

Rate Limits

The SHA224.com API implements rate limiting to ensure fair usage and service stability:

Rate limit headers are included in all API responses:

• X-RateLimit-Limit: The maximum number of requests allowed per period
• X-RateLimit-Remaining: The number of requests remaining in the current period
• X-RateLimit-Reset: The time at which the current rate limit period resets (Unix timestamp)

For more information on rate limits and upgrading your plan, see Rate Limiting documentation.

API Support

If you need assistance with the SHA224.com API, there are several resources available:

Next Steps