Einige Anwendungsfälle sind:

* Konvertieren von Nicht-JSON-Requestbodys nach JSON (z. B. <a href="https://msgpack.org/index.html" class="external-link" target="_blank">`msgpack`</a>).
* Dekomprimierung gzip-komprimierter Requestbodys.
* Automatisches Loggen aller Requestbodys.

## Handhaben von benutzerdefinierten Requestbody-Kodierungen { #handling-custom-request-body-encodings }

        "paths": {
            "/": {
                "post": {
                    "summary": "Post Root",
                    "operationId": "foo_post_root",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/schemas/Body_foo_post_root"

{* ../../docs_src/body/tutorial002_py310.py *}

## Requestbody- + Pfad-Parameter { #request-body-path-parameters }

Sie können Pfad-Parameter und den Requestbody gleichzeitig deklarieren.

**FastAPI** erkennt, dass Funktionsparameter, die mit Pfad-Parametern übereinstimmen, **vom Pfad genommen** werden sollen, und dass Funktionsparameter, welche Pydantic-Modelle sind, **vom Requestbody genommen** werden sollen.

                    },
                    "post": {
                        "summary": "Create Item",
                        "operationId": "create_item_items__post",
                        "requestBody": {
                            "content": {
                                "application/json": {
                                    "schema": {

            "/model-with-tuple/": {
                "post": {
                    "summary": "Post Model With Tuple",
                    "operationId": "post_model_with_tuple_model_with_tuple__post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/ItemGroup"}
                            }

                    "tags": [
                        "items",
                    ],
                },
                "post": {
                    "operationId": "create_item",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/schemas/Item",

from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

media_type = "application/vnd.api+json"


# NOTE: These are not valid JSON:API resources
# but they are fine for testing requestBody with custom media_type
class Product(BaseModel):
    name: str
    price: float


class Shop(BaseModel):
    name: str


@app.post("/products")

                },
                "post": {
                    "tags": ["items"],
                    "summary": "Create Item",
                    "operationId": "create_item_items__post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/Item"}
                            }

            "paths": {
                "/files/": {
                    "post": {
                        "summary": "Create File",
                        "operationId": "create_file_files__post",
                        "requestBody": {
                            "content": {
                                "multipart/form-data": {
                                    "schema": {

from typing import Any


def get_body_model_name(openapi: dict[str, Any], path: str) -> str:
    body = openapi["paths"][path]["post"]["requestBody"]
    body_schema = body["content"]["multipart/form-data"]["schema"]