swift-networking

Builds Swift API clients with URLSession, async/await, and protocol-based design.

1|Updated Feb 24, 2026

Search Tags:#networking #swift #error-handling #async-await #api-client #urlsession

Ready to run

npx skills add https://github.com/kmshdev/claude-swift-toolkit --skill swift-networking-kmshdev

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: swift-networking
Source: https://github.com/kmshdev/claude-swift-toolkit/tree/main/skills/swift-networking
Command: npx skills add https://github.com/kmshdev/claude-swift-toolkit --skill swift-networking-kmshdev

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Building robust API clients in Swift can be boilerplate-heavy and hard to test. This Skill provides a structured approach to creating, testing, and reviewing API clients using URLSession and async/await.

Core Features & Use Cases

Protocol-based API client design separates transport from business logic for easier testing and maintenance.
JSON decoding with configurable strategies and comprehensive error handling.
Support for authentication, retries with exponential backoff, and background transfers to improve resilience.

Quick Start

Instantiate a simple REST client and fetch data in an asynchronous context.

Frequently Asked Questions about swift-networking

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I build a Swift API client using async networking with URLSession?▼

Build a Swift API client by implementing a protocol-based design that separates transport from business logic using URLSession and async/await. This approach ensures your networking layer is robust, testable, and easy to maintain across iOS and macOS apps.

What's the best way to handle JSON decoding and errors in an async Swift API client?▼

Handle JSON decoding and errors in a Swift API client by applying configurable decoding strategies alongside structured error handling. This ensures network failures and data mismatches are caught and processed cleanly within your async/await networking flows.

How do I implement retry logic with exponential backoff for Swift networking requests?▼

Implement retry logic with exponential backoff in Swift networking by applying structured resilience strategies to your URLSession requests. This allows your API client to automatically recover from transient failures and manage authentication flows effectively.

Can I use this protocol-based API client approach for both iOS and macOS apps?▼

Yes, you can use this protocol-based API client approach across both iOS and macOS apps. The design utilizes native URLSession and async/await features, ensuring broad compatibility and consistent networking behavior throughout the Apple ecosystem.

How do I test an async Swift API client without making real network calls?▼

Test an async Swift API client without real network calls by leveraging the protocol-based design to inject mock transport layers. This separates your business logic from URLSession, allowing you to verify decoding, error handling, and retries deterministically.

Why does my Swift async URLSession request fail to handle timeouts and caching properly?▼

Swift async URLSession requests may fail to handle timeouts and caching properly without structured guidance for these configurations. Implementing a protocol-based API client ensures you establish explicit rules for caching, timeouts, and background transfers.