API Key Generator

Generate secure API keys in multiple formats for authentication and authorization

Create cryptographically secure API keys with customizable length, format, and prefix. Perfect for API authentication, webhook verification, and secure token generation.

Generation Settings

Configure your API key generation parameters

Format

Letters and numbers (a-z, A-Z, 0-9)

Length: 32 characters

Quantity

Advanced Options

Include Prefix

Include Timestamp

Security Best Practices

⚠️ Critical Security Notes

• Never expose API keys in client-side code or public repositories
• Store keys securely using environment variables or key management systems
• Regularly rotate API keys, especially for production systems
• Use HTTPS for all API communications

Key Management

• Implement key expiration policies
• Log API key usage for monitoring
• Use different keys for different environments
• Implement rate limiting per key

Storage Recommendations

• Use encrypted storage for key persistence
• Implement key revocation mechanisms
• Audit key access and permissions
• Use prefix-based key identification

Implementation Examples

Node.js Express Middleware

const apiKeyAuth = (req, res, next) => {
  const apiKey = req.headers['x-api-key'] || req.query.api_key;
  
  if (!apiKey) {
    return res.status(401).json({ error: 'API key required' });
  }
  
  if (!validateApiKey(apiKey)) {
    return res.status(403).json({ error: 'Invalid API key' });
  }
  
  req.apiKey = apiKey;
  next();
};

app.use('/api', apiKeyAuth);

Python Flask Example

from functools import wraps
from flask import request, jsonify

def require_api_key(f):
    @wraps(f)
    def decorated_function(*args, **kwargs):
        api_key = request.headers.get('X-API-Key')
        if not api_key or not validate_api_key(api_key):
            return jsonify({'error': 'Invalid or missing API key'}), 401
        return f(*args, **kwargs)
    return decorated_function

@app.route('/api/data')
@require_api_key
def get_data():
    return jsonify({'data': 'secure content'})