Request Body in FastAPI
Explore how to define and manage request bodies in FastAPI using Pydantic models. Learn to create and document POST API endpoints that process client data effectively, preparing you to build robust Python web APIs with FastAPI.
We'll cover the following...
Request data model
We usually need to send the data to an API for processing. This data is called request data. A request body is data sent by the client to your API. A response body is the data that your API sends to the client. The API almost always has to send a response body, but clients don’t necessarily need to send request bodies all the time.
To declare a request body FastAPI, we can use Pydantic models with all their power and benefits. If you are not sure of these models, we’ll go over them now.
To send the data body along with the request, we can use one of the
POST(commonly used),PUT, ...