easypay-api/config/api_config.php

<?php
/**
 * API Configuration
 * 
 * Configuration settings for the Payment API
 */

// API Keys for authentication
// Add your API keys here. Leave empty to disable API key authentication.
// Example: ['key1' => 'My App', 'key2' => 'External System']
define('API_KEYS', [
    // 'your-secret-api-key-here' => 'System Name',
    // Add more API keys as needed
]);

// Enable/Disable API key authentication
// Set to false for testing, true for production
define('API_AUTH_ENABLED', false);

// API logging
define('API_LOG_ENABLED', true);
define('API_LOG_FILE', __DIR__ . '/../logs/api.log');

// CORS settings (if needed for external systems)
define('API_CORS_ENABLED', false);
define('API_CORS_ORIGIN', '*'); // Use specific domain in production

// Rate limiting (future implementation)
define('API_RATE_LIMIT_ENABLED', false);
define('API_RATE_LIMIT_REQUESTS', 100); // requests per minute