networking-guide

You build a structured Swift HTTP networking layer by defining a TargetType protocol for endpoints, an HTTPTask enum for request parameters, and an HTTPClientProtocol to standardize URLSession API interactions. This provides a cohesive blueprint for structured API access.

Dependency injection for a Swift API client is handled by defining an HTTPClientProtocol that abstracts request execution. You inject this protocol into your app features, allowing multiple services to use the same HTTP client while remaining testable and decoupled.

The best way to handle Swift HTTP client errors is to implement a dedicated HTTPError type alongside a ValidationType definition. This standardizes error reporting and validates responses before processing, ensuring robust communication across your app's features.

Yes, you can define multiple endpoints for different networks in Swift. The reference includes real-world examples like THORChainAPI and TronAPI, demonstrating how to manage multi-endpoint APIs with mixed HTTPTask variants and simple caching patterns.

You standardize iOS API parameter encoding and HTTP methods by implementing ParameterEncoding and HTTPMethod definitions. These standardize how request parameters are encoded and sent via URLSession, ensuring consistent API interaction across your application.