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Developer(s) | Sebastián Ramírez |
---|---|
Initial release | December 5, 2018[1] |
Stable release | 0.111.1
[2]
![]() |
Repository |
github |
Written in | Python |
Type | Web framework |
License | MIT |
Website |
fastapi |
FastAPI is a web framework for building HTTP-based service APIs in Python 3.8+. [3] It uses Pydantic and type hints to validate, serialize and deserialize data. It also automatically generates OpenAPI documentation for APIs built with it. [4] It was first released in 2018.
Pydantic is a data validation library for Python. While writing code in an IDE, Pydantic provides type hints for schema validation and serialization through type annotations. [5]
Starlette is a lightweight ASGI framework/toolkit, to support async functionality in Python. [6]
Uvicorn is a minimal low-level server/application web server for async frameworks, following the ASGI specification. Technically, it implements a multi-process model with one main process, which is responsible for managing a pool of worker processes and distributing incoming HTTP requests to them. The number of worker processes is pre-configured, but can also be adjusted up or down at runtime. [7]
The following code shows a simple web application that displays " Hello World!" when visited:
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def read_root():
return "Hello World!"
![]() | This article has multiple issues. Please help
improve it or discuss these issues on the
talk page. (
Learn how and when to remove these template messages)
|
Developer(s) | Sebastián Ramírez |
---|---|
Initial release | December 5, 2018[1] |
Stable release | 0.111.1
[2]
![]() |
Repository |
github |
Written in | Python |
Type | Web framework |
License | MIT |
Website |
fastapi |
FastAPI is a web framework for building HTTP-based service APIs in Python 3.8+. [3] It uses Pydantic and type hints to validate, serialize and deserialize data. It also automatically generates OpenAPI documentation for APIs built with it. [4] It was first released in 2018.
Pydantic is a data validation library for Python. While writing code in an IDE, Pydantic provides type hints for schema validation and serialization through type annotations. [5]
Starlette is a lightweight ASGI framework/toolkit, to support async functionality in Python. [6]
Uvicorn is a minimal low-level server/application web server for async frameworks, following the ASGI specification. Technically, it implements a multi-process model with one main process, which is responsible for managing a pool of worker processes and distributing incoming HTTP requests to them. The number of worker processes is pre-configured, but can also be adjusted up or down at runtime. [7]
The following code shows a simple web application that displays " Hello World!" when visited:
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def read_root():
return "Hello World!"