FastAPI

Overview Cross-Origin Resource Sharing (CORS) is a security measure implemented by web browsers to prevent scripts on a webpage from making requests to a different domain than the…

FastAPI Unprocessable Entity Error is a common roadblock for developers building applications with FastAPI. This error, often a ‘422 Unprocessable Entity’ response, indicates that the server understands the…

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…

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’…

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…

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…

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…

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…

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…