Payment Systems
Course Index
37 Lessons · 3 Levels
Complete payment systems roadmap — Stripe, PayPal, Adyen, Razorpay, Flutterwave, Mercado Pago, subscriptions, Stripe Connect, fraud detection, and 4 real global payment builds.
37Lessons
3Levels
4Projects
FreeAccess
Level IPayment Fundamentals & Stripe CoreLessons 1–13
Lesson 01
Payment Systems: A Global Developer's Overview
Lesson 02
How Online Payments Work: The Global Tech Stack
Lesson 03
Payment Gateways vs Processors vs Acquirers
Lesson 04
Stripe Setup: API Keys & Test Environments
Lesson 05
Payment Intents API: The Modern Standard
Lesson 06
Stripe Elements & Checkout
Lesson 07
Webhooks: Setup & Signature Verification
Lesson 08
Idempotency Keys & Retry Logic
Lesson 09
Handling Payment Failures & Declines Globally
Lesson 10
Refunds & Partial Refunds
Lesson 11
Multi-Currency & Cross-Border Payments
Lesson 12
PCI Compliance & Global Tokenization
Lesson 13
SCA & 3D Secure: European & Global Requirements
Level IIGlobal Gateways & Advanced FeaturesLessons 14–28
Lesson 14
Stripe Billing: Subscriptions
Lesson 15
Usage-Based & Metered Billing
Lesson 16
Stripe Connect: Marketplace Payments
Lesson 17
Split Payments & Platform Fees
Lesson 18
PayPal API: Global Integration
Lesson 19
Adyen: Enterprise Global Payment Platform
Lesson 20
Razorpay: India, SE Asia & UPI Integration
Lesson 21
Flutterwave & Paystack: Africa Payments
Lesson 22
Mercado Pago: Latin America Payments
Lesson 23
Payment Orchestration: Multi-Gateway Architecture
Lesson 24
Payment Reconciliation Systems
Lesson 25
Dispute & Chargeback Handling
Lesson 26
Fraud Detection with Stripe Radar & Global Tools
Lesson 27
Buy Now Pay Later (BNPL) Global Integration
Lesson 28
Digital Wallets: Apple Pay, Google Pay & More
Level IIIProduction Systems & Global ProjectsLessons 29–37
Lesson 29
Payment Security: Global Best Practices
Lesson 30
Testing Payment Systems End-to-End
Lesson 31
Payment Monitoring & Alerting
Lesson 32
Dunning Management & Failed Payment Recovery
Lesson 33
Global Compliance: PSD2, GDPR, RBI & More
Lesson 34
Build a Global One-Time Payment Integration
Lesson 35
Build a SaaS Subscription Billing System
Lesson 36
Build a Marketplace Payment Platform
Lesson 37
Build a Multi-Gateway Global Payment Router