Apple Wallet is a permanent app in App Library for tracking payments. App resembles wallet with colored cards and is available on Home Screen. Wallet stores credit/debit cards, boarding passes, and tickets
Apple Pay is available on iPhone, Apple Watch, Mac, iPad, and Vision Pro. Setup takes seconds by adding cards through Wallet app. Works with credit/debit cards and Apple Cash
Payment gateway is technology for accepting debit/credit card purchases. Includes both physical POS terminals and online checkout portals. Can accept phone payments using QR codes or NFC technology
PayPal is an online payment platform enabling money transfers between individuals and businesses. Users create accounts and connect them to checking accounts or credit cards. Millions of retailers accept PayPal payments both online and in person. PayPal offers credit and debit cards with its own branding
Credit card validation prevents fraud and reduces chargebacks. System ensures secure transactions and enhances business compliance. Used by e-commerce websites, financial institutions, and payment gateways
Test cards simulate payments without moving money in test mode. Use test API keys in all API calls, not real card details. Test mode rate limits prevent load testing