FastAPI

The 405 Method Not Allowed error in FastAPI occurs when a client makes a request to the server using a HTTP method not supported by the endpoint. This could be due to a variety of reasons such as configuring the wrong HTTP method or a......

The Problem When working with FastAPI, it’s common for developers to stream data to clients. However, you might encounter an error like ‘NoneType’ object has no attribute ‘encode’ which can be a hurdle.......

Understanding HTTPValidationError in FastAPI When working with FastAPI, an HTTPValidationError typically occurs when the data sent by a client does not conform to the expected schema defined within your FastAPI application. This......

Encountering a ValidationError when developing with FastAPI is not uncommon. This error usually indicates that the client has sent invalid data that does not conform to the schema defined using Pydantic models. The result of this......

In a FastAPI web application, you can do some work in the background without blocking the main thread or the response to the client. This is useful for tasks that take a long time to complete but are not essential for the client to......

Redirect means sending users from one URL to another, usually after performing some action or checking some condition (such as authentication, payment, etc.). This concise, example-based article will walk you through a couple of different......

This succinct, straight-to-the-point article will walk you through a couple of different ways to return PDF files in FastAPI. In the upcoming examples, we’ll use this sample PDF......

To run a FastAPI application on a custom port, you need to specify the port number when you start your application. The port number is an integer between 0 and 65535 that identifies the network endpoint for your application. The default......

FastAPI, as its name implies, is a fast, modern, and high-performance web framework for building backend APIs with Python. The response status code is a three-digit number that indicates the result of a request. For example, 200 means OK,......

The Fundamentals FastAPI is a fast-growing Python web framework that can help you build high-performance backend projects. One of the features of the web framework is that it allows you to declare the type of response data using......

404 is an HTTP status code that indicates that a server couldn’t find the resource requested by a client (such as a web browser or API client). FastAPI automatically handles this error for us, however, its response is plain and......

FastAPI is a modern, fast, and high-performance web framework for building APIs and web applications. After coding and developing a FastAPI application on your personal computer, you will definitely want to put it on the internet so that......