OpenAPI Generator Client SDK Patterns — Designing Developer-Friendly Generated SDKs

In this tutorial, you will learn about OpenAPI Generator Client SDK Patterns. We cover key concepts, practical examples, and best practices to help you master this topic.

OpenAPI Generator client SDK patterns produce developer-friendly SDKs with fluent interfaces, Builder patterns for complex requests, automatic retry, async/await support, and typed error handling.

flowchart LR
    A["Generated Client SDK Features"] --> B["Fluent interface"]
    A --> C["Builder pattern for requests"]
    A --> D["Async/await support"]
    A --> E["Automatic retry"]
    A --> F["Typed error handling"]
    A --> G["Automatic token refresh"]

    B --> B1["client.threats().list()"]
    C --> C1["CreateThreatRequest.builder()"]
    D --> D1["await client.threats().list()"]
    E --> E1["Retry 3x on 429/5xx"]
    F --> F1["catch (ThreatNotFoundException e)"]
    G --> G1["Auto-refresh on 401"]

What's Next

Implement SDK patterns using {{< ilink "OpenAPI" "OpenAPI Generator Customization" }} templates and {{< ilink "OpenAPI" "OpenAPI Generator Best Practices" }}.