Security Free Tier Available
HashAPI
Create MD5, SHA-1, SHA-256, SHA-512, bcrypt, and argon2 hashes. Verify hash matches.
Free tier: 50,000 operations/month Method:
POST Quick Start
Get started with HashAPI in 3 steps:
- 1. Get your free API key (instant, no credit card)
- 2. Activate your key to unlock all endpoints
- 3. Make your first request using the examples below
Endpoint
POST https://freeapitools.dev/api/v1/hash
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
input | string | Required | String to hash |
algorithm | string | Required | md5, sha256, bcrypt, argon2 |
api_key | string | Required | Your API key. Get one free → |
Code Examples
cURL
curl -X POST https://freeapitools.dev/api/v1/hash \
-H "Content-Type: application/json" \
-d '{"input":"example","algorithm":"example"}' Node.js / JavaScript
const response = await fetch('https://freeapitools.dev/api/v1/hash', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'YOUR_API_KEY'
},
body: JSON.stringify({"input":"example","algorithm":"example"})
});
const data = await response.json();
console.log(data); Python
import requests
response = requests.post(
'https://freeapitools.dev/api/v1/hash',
json={"input":"example","algorithm":"example"},
headers={'X-API-Key': 'YOUR_API_KEY'}
)
print(response.json()) Example Response
{
"hash": "5e884898da28047151d0e56f8dc62927...",
"algorithm": "sha256"
} Rate Limits
| Plan | Limit | Price |
|---|---|---|
| Free | 50,000 operations/month | $0 / month |
| Enhanced (10x) | 10x free tier limits | $0 / month — complete compatibility check |
| Unlimited | No limits | $0 / month — send environment profile |
Start Using HashAPI for Free
Get your API key instantly. No credit card, no signup form — just a simple API call.
Get Free API Key →