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The Modern Python API Framework

Build Powerful APIs
At Lightning Speed

Ascender combines the simplicity of Python with the robust architecture of modern web frameworks. Inspired by NestJS, powered by FastAPI.

$ pip install ascender-framework
3.11+Python
FastAPIPowered by
NestJSInspired by
MITLicensed
Everything you need

Core Features

A batteries-included toolkit for building structured, scalable APIs without the boilerplate.

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Lightning Fast Development

Built on FastAPI for exceptional performance. Write less boilerplate, focus on building features that matter.

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Powerful Dependency Injection

Enterprise-grade DI inspired by NestJS. Build scalable, testable, and maintainable applications with ease.

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Type-Safe & Validated

Full type safety with Pydantic validation. Catch errors early and ship with confidence.

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Comprehensive CLI

Powerful CLI tooling for scaffolding, development, and testing. Generate boilerplate in seconds.

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ORM Integration

Seamless integration with Tortoise ORM and SQLAlchemy. Bring your favorite database layer.

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Testing Made Easy

Built-in testing utilities and mocking support. Write tests that actually make sense.

Why Ascender

Architecture You Can Trust

01

Modular Architecture

Organize your code into reusable modules. Scale your application without chaos.

02

Developer Experience First

Intuitive APIs, excellent documentation, and helpful CLI tools make development a joy.

03

Production Ready

Battle-tested patterns, comprehensive error handling, and performance optimizations out of the box.

04

Microservices Support

Built with microservices in mind. Scale horizontally with ease.

users/controller.py
@Controller("/users")class UserController:    def __init__(self, service: UserService):        self.service = service    @Get("/")    async def get_users(self):        return await self.service.find_all()    @Post("/")    async def create_user(self, dto: CreateUserDto):        return await self.service.create(dto)# Clean, intuitive, powerful.

Ready to build something great?

Scaffold your first Ascender project in under a minute.