1 best alternatives to Starlette as of 2025 - Slant

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FastAPI

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Dependency injection

It has a simple but powerful dependency injection system, it can be used to handle authentication, per-user rate limiting, authorization controls (e.g. with roles), etc. See More

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Smaller community

Since FastAPI is relatively new, its community is smaller than Django Rest Framework. But it can grow with time. See More

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Standards

It is based on standards: OpenAPI, JSON Schema and OAuth 2.0. See More

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Data validation

It validates the data using the types you declared. Even in deeply nested JSON requests. See More

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High-performance

It's based on Starlette and Pydantic, so, it's one of the fastest Python frameworks. See More

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Editor completion

It is based on Python type declarations, so, editors and tools can give great support. Including type checks and autocompletion everywhere. See More

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One of the fastest growing communities

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Fast is really fast (!)

It's easy to develop API based applications in Python on deadlines for Android and IOS Development. See More

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Automatic docs

It generates interactive API documentation automatically from your code. See More

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Database independent

It's independent of database or ORM, but compatible with all of them. Including relational databases and NoSQL. See More

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Async IO / optional

It's based on Async IO, which gives it high concurrency. But you can use non-async libraries and it runs them appropriately. See More

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World class documentation

It has some of the best documentation of any framework. See More

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WebSockets

Because it's an async framework, it can handle async-native protocols like WebSockets. See More

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OAuth 2.0

It has integrated support for OAuth 2.0. Including declaring required scopes per endpoint. So, you can easily integrate it with external OAuth 2.0 providers or build your own with it. See More

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Background tasks

Included support for background tasks, thanks to being based on Starlette. See More

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Supports GraphQL

Python's graphene library is included as an optional dependency meaning that GraphQL API's are supported out of the box, with no additional tweaking needed. See More

Specs

Platforms:Cross-platform

Type:standard and feature rich micro-framework

Initial Release:2019

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