Security Free Tier Available
PasswordStrength
Score password strength, check against known breaches (HaveIBeenPwned), and get improvement suggestions.
Free tier: 10,000 checks/month Method:
POST Quick Start
Get started with PasswordStrength 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/password/check
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
password | string | Required | Password to analyze |
api_key | string | Required | Your API key. Get one free → |
Code Examples
cURL
curl -X POST https://freeapitools.dev/api/v1/password/check \
-H "Content-Type: application/json" \
-d '{"password":"example"}' Node.js / JavaScript
const response = await fetch('https://freeapitools.dev/api/v1/password/check', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'YOUR_API_KEY'
},
body: JSON.stringify({"password":"example"})
});
const data = await response.json();
console.log(data); Python
import requests
response = requests.post(
'https://freeapitools.dev/api/v1/password/check',
json={"password":"example"},
headers={'X-API-Key': 'YOUR_API_KEY'}
)
print(response.json()) Example Response
{
"score": 4,
"strength": "Strong",
"breached": false,
"suggestions": []
} Rate Limits
| Plan | Limit | Price |
|---|---|---|
| Free | 10,000 checks/month | $0 / month |
| Enhanced (10x) | 10x free tier limits | $0 / month — complete compatibility check |
| Unlimited | No limits | $0 / month — send environment profile |
Start Using PasswordStrength for Free
Get your API key instantly. No credit card, no signup form — just a simple API call.
Get Free API Key →