iOS Networking

Modern networking patterns for iOS 26+ using URLSession with async/await and structured concurrency. All examples target Swift 6.3. No third-party dependencies required -- URLSession covers the vast majority of networking needs.

Contents

• Core URLSession async/await
• API Client Architecture
• Error Handling
• Pagination
• Network Reachability
• Configuring URLSession
• App Transport Security (ATS)
• Common Mistakes
• Review Checklist
• References