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docs_src/body_multiple_params/tutorial004_py39.py

from typing import Union

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 20:41:43 GMT 2025

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github.com/minio/minio

internal/config/identity/openid/provider/keycloak.go

		return err
	}
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")

	resp, err := k.client.Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	var accessToken Token
	if err = json.NewDecoder(resp.Body).Decode(&accessToken); err != nil {
		return err
	}

	k.Lock()
	k.accessToken = accessToken
	k.Unlock()
	return nil
}

// LookupUser lookup user by their userid.

Created: Sun Dec 28 19:28:13 GMT 2025

- Last Modified: Sun Jul 14 18:12:07 GMT 2024

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github.com/tiangolo/fastapi

docs_src/custom_request_and_route/tutorial001_an_py39.py

from fastapi import Body, FastAPI, Request, Response
from fastapi.routing import APIRoute


class GzipRequest(Request):
    async def body(self) -> bytes:
        if not hasattr(self, "_body"):
            body = await super().body()
            if "gzip" in self.headers.getlist("Content-Encoding"):
                body = gzip.decompress(body)
            self._body = body
        return self._body

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 10 08:55:32 GMT 2025

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github.com/tiangolo/fastapi

docs/en/docs/how-to/custom-request-and-route.md

But because of our changes in `GzipRequest.body`, the request body will be automatically decompressed when it is loaded by **FastAPI** when needed.

## Accessing the request body in an exception handler { #accessing-the-request-body-in-an-exception-handler }

/// tip

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 10 08:55:32 GMT 2025

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github.com/tiangolo/fastapi

tests/test_tutorial/test_body/test_tutorial003.py

    assert response.json() == {
        "detail": [
            {
                "type": "missing",
                "loc": ["body", "name"],
                "msg": "Field required",
                "input": {},
            },
            {
                "type": "missing",
                "loc": ["body", "price"],
                "msg": "Field required",
                "input": {},
            },
        ]
    }

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Fri Dec 26 10:43:02 GMT 2025

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github.com/tiangolo/fastapi

tests/test_get_request_body.py

@app.get("/product")
async def create_item(product: Product):
    return product


client = TestClient(app)


def test_get_with_body():
    body = {"name": "Foo", "description": "Some description", "price": 5.5}
    response = client.request("GET", "/product", json=body)
    assert response.json() == body


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Fri Jun 30 18:25:16 GMT 2023

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github.com/golang/go

misc/chrome/gophertool/popup.html

 Use of this source code is governed by a BSD-style
 license that can be found in the LICENSE file.
-->
<head>
<script src="gopher.js"></script>
<script src="popup.js"></script>
</head>
<body style='margin: 0.5em; font-family: sans;'>
<small><a href="#" url="https://golang.org/issue">issue</a>,
<a href="#" url="https://golang.org/cl">codereview</a>,
<a href="#" url="https://golang.org/change">commit</a>, or

Created: Tue Dec 30 11:13:12 GMT 2025

- Last Modified: Fri Mar 05 02:35:21 GMT 2021

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github.com/tiangolo/fastapi

fastapi/openapi/docs.py

    -->
    <style>
      body {{
        margin: 0;
        padding: 0;
      }}
    </style>
    </head>
    <body>
    <noscript>
        ReDoc requires Javascript to function. Please enable it to browse the documentation.
    </noscript>
    <redoc spec-url="{openapi_url}"></redoc>
    <script src="{redoc_js_url}"> </script>
    </body>
    </html>
    """

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 21:25:59 GMT 2025

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github.com/tiangolo/fastapi

tests/test_union_body_discriminator.py

            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},
            "paths": {
                "/items/": {
                    "post": {
                        "summary": "Save Union Body Discriminator",
                        "operationId": "save_union_body_discriminator_items__post",
                        "parameters": [
                            {
                                "name": "q",

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Sat Dec 27 18:19:10 GMT 2025

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github.com/tiangolo/fastapi

tests/test_tutorial/test_body_nested_models/test_tutorial008.py

    response = client.post("/images/multiple", json=data)
    assert response.status_code == 422, response.text
    assert response.json() == {
        "detail": [
            {
                "loc": ["body", 0, "url"],
                "input": "not a valid url",
                "msg": "Input should be a valid URL, relative URL without a base",
                "type": "url_parsing",

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Fri Dec 26 10:43:02 GMT 2025

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