. */ return [ 'mode' => env('PAYPAL_MODE', 'sandbox'), // Can only be 'sandbox' Or 'live'. If empty or invalid, 'live' will be used. 'sandbox' => [ 'username' => env('PAYPAL_SANDBOX_API_USERNAME', ''), 'password' => env('PAYPAL_SANDBOX_API_PASSWORD', ''), 'secret' => env('PAYPAL_SANDBOX_API_SECRET', ''), 'certificate' => env('PAYPAL_SANDBOX_API_CERTIFICATE', ''), 'app_id' => 'APP-80W284485P519543T', // Used for testing Adaptive Payments API in sandbox mode ], 'live' => [ 'username' => env('PAYPAL_LIVE_API_USERNAME', ''), 'password' => env('PAYPAL_LIVE_API_PASSWORD', ''), 'secret' => env('PAYPAL_LIVE_API_SECRET', ''), 'certificate' => env('PAYPAL_LIVE_API_CERTIFICATE', ''), 'app_id' => '', // Used for Adaptive Payments API ], 'payment_action' => 'Sale', // Can only be 'Sale', 'Authorization' or 'Order' 'currency' => env('PAYPAL_CURRENCY', 'USD'), 'billing_type' => 'MerchantInitiatedBilling', 'notify_url' => '', // Change this accordingly for your application. 'locale' => '', // force gateway language i.e. it_IT, es_ES, en_US ... (for express checkout only) 'validate_ssl' => true, // Validate SSL when creating api client. ];