Awesome GitHub RepositoriesType-Safe API Frameworks

This project is a high-performance web framework designed for building scalable server-side applications with minimal resource consumption. It provides a type-safe runtime environment that leverages static analysis to ensure consistent data structures across request handlers and server configurations, facilitating reliable API development. The framework distinguishes itself through a schema-driven validation layer that enforces strict data integrity for incoming requests and outgoing responses using standardized definitions. It utilizes an encapsulated plugin architecture that organizes appli

Hono is a lightweight web framework built on Web Standard APIs that executes across JavaScript runtimes including Cloudflare Workers, Deno, Bun, and Node.js.

Elysia is a high-performance TypeScript web framework designed for building type-safe backend services. It provides a modular, plugin-based architecture that allows developers to compose server logic, middleware, and validation schemas into scalable application instances. By leveraging native web standards, the framework ensures portability across diverse JavaScript runtimes, including Node.js, Deno, and various edge computing environments. The framework distinguishes itself through its focus on end-to-end type safety, automatically synchronizing request and response definitions between the s

Moya is a network abstraction layer for Swift that provides a structured framework for defining and executing REST API requests. It functions as a type-safe API client that decouples network endpoint definitions from the underlying implementation details to prevent configuration errors and URL typos. The project distinguishes itself by using protocol-based endpoint definitions and a provider-coordinated execution model. It includes a system for mapping network responses to strongly typed objects and features a dedicated tool for generating type-safe network interface files from external REST

Encore is a distributed systems framework designed to unify backend development, infrastructure provisioning, and observability. It functions as an infrastructure-as-code platform that allows developers to define cloud resources, databases, and messaging topics directly within their application code. By analyzing these declarations at compile-time, the system automatically manages the deployment of cloud resources and security policies, ensuring parity between local development and production environments. The platform distinguishes itself through its integrated development experience, which

gqlgen is a schema-first Go library designed to build type-safe GraphQL servers. It functions as a code generation engine that transforms declarative GraphQL schema definitions into strongly-typed Go source code, ensuring strict alignment between the API contract and the underlying implementation. The framework distinguishes itself through its deep integration with the Go type system and its highly extensible build pipeline. By using schema-first development, it automates the creation of server boilerplate and resolver stubs, allowing developers to map schema fields directly to Go structs and

Django Ninja is a high-performance framework for building type-safe REST APIs using Django. It functions as an OpenAPI API framework and a type-safe wrapper that utilizes Python type hints to handle request validation and response serialization. The project distinguishes itself by integrating Pydantic-based data modeling to convert JSON inputs into strongly typed Python objects. It automatically generates OpenAPI schemas and interactive documentation pages directly from defined endpoint signatures. The framework supports asynchronous request processing to handle concurrent tasks. It employs

Litestar is a high-performance Python ASGI web framework designed for building asynchronous APIs and web services. It functions as a type-safe toolkit that leverages Python type hints to provide automatic request validation and response serialization, while natively generating interactive API documentation based on the OpenAPI specification. The framework is distinguished by its integrated dependency injection system, which manages shared resources and resolves complex nested service chains directly within request handlers. It further organizes API development through class-based controllers

Type-graphql is a toolkit and framework for creating type-safe GraphQL APIs. It functions as a schema generator and resolver library that uses TypeScript classes and decorators as the primary source of truth for data structures and query logic. The project enables the definition of GraphQL schemas and resolvers through typed classes rather than manual schema definition language. This approach ensures that TypeScript types automatically align with the GraphQL schema to prevent runtime errors. The framework provides capabilities for API implementation, including input data validation and acces

Hug is a type-driven Python web framework designed for building APIs. It uses Python type annotations to automatically validate and convert incoming request data and to format outgoing responses. The framework functions as an automated documentation tool by extracting function signatures and markers from source code to generate accessible API specifications. It also supports non-blocking coroutines for asynchronous API processing to handle background tasks without interrupting the main request cycle. The project provides capabilities for REST API development, including route mapping, endpoin

ServiceStack 是一个高性能 .NET Web 框架，专为使用强类型请求和响应对象构建类型安全的 API 而设计。它作为一个基于消息的 API 引擎，将业务逻辑与传输层解耦，允许通过包括 HTTP、gRPC 和各种消息队列提供商在内的多种协议公开服务。 该框架的特点是其类型安全的 API 生成器，它从跨多种语言的服务元数据中生成原生客户端 SDK 和数据传输对象。它还包括用于微服务编排的分布式服务网关、将 C# 对象直接转换为数据库记录的代码优先 ORM，以及用于安全令牌访问的集中式身份和访问管理系统。 其更广泛的功能面涵盖通过 Pub-Sub 和服务器发送事件（SSE）进行的异步消息传递和实时事件流。它为 JSON、XML、ProtoBuf 和 MessagePack 等格式提供全面的数据序列化支持，以及包括 JWT、API 密钥和阶梯式认证在内的集成认证流程。其他工具包括自动 CRUD API 生成、后台作业执行和管理仪表盘模板。

Trailbase 是一个后端即服务（BaaS）平台，以单个可执行文件的形式交付，集成了实时数据库引擎、身份和访问管理器以及类型安全的 API 生成器。它提供了一个全面的后端环境，包括基于 SQLite 的存储引擎和用于执行自定义逻辑的 WebAssembly 运行时服务器。 该平台通过自动将数据库模式转换为具有跨语言客户端绑定的 JSON API，以及允许执行用于服务器端渲染和自定义 HTTP 路由的便携式组件而脱颖而出。它还集成了向量数据库功能，以支持嵌入向量的存储和基于相似性的向量搜索。 该系统涵盖了广泛的操作功能，包括支持社交登录的用户认证、用于数据可见性的访问控制列表，以及用于实时数据更新的发布-订阅（pub-sub）同步。它还提供了通过 SQL 迁移管理数据库模式以及处理地理空间数据的工具。

orpc is a contract-first API development framework for TypeScript that starts with a shared contract definition and generates type-safe clients and servers from that single source of truth. It guarantees end-to-end type safety, meaning inputs, outputs, errors, and streaming data are all checked at compile time across the client–server boundary. What distinguishes orpc from typical RPC frameworks is its ability to export contracts as OpenAPI specifications, to optimize server-side rendering by calling API handlers directly inside the server process, and to support real‑time bidirectional commu

tsoa 是一个 TypeScript API 框架和 OpenAPI REST API 生成器。它将 TypeScript 控制器和模型转换为 Node 服务器的 OpenAPI 规范和路由配置，确保代码定义与 API 文档保持同步。 该工具作为 OpenAPI 规范生成器和 REST 请求验证器运行。它从源代码中提取路径、请求模式和响应模型以生成标准的 OpenAPI 文档，并提供中间件层来验证传入的 HTTP 负载是否符合 TypeScript 定义的模式。 该项目涵盖了 RESTful 路由管理和 API 请求验证。它利用静态类型分析将语言类型转换为 JSON 模式定义，并采用基于模板的生成方式将控制器元数据映射为服务器路由。

This is a library for building command-line interfaces in Swift. It converts command-line arguments into type-safe Swift properties using a declarative approach, ensuring that inputs match expected data types to prevent runtime errors. The framework supports the creation of complex command hierarchies through nested subcommands. It automatically generates formatted usage documentation and error messages by deriving information from the defined metadata and types. The system utilizes property wrappers to attach parsing logic to types and employs reflection to extract metadata from property na