An HTTP multipart request is an HTTP request that HTTP clients construct to send files and data over to an HTTP Server. It is commonly used by browsers and HTTP clients to upload files to …

The primary subtype for multipart, "mixed", is intended for use when the body parts are independent and intended to be displayed serially. Any multipart subtypes that an …

Sep 26, 2024 · Whether you’re building a simple file uploader or a complex form submission, understanding how multipart/form-data works will empower you to handle these scenarios …

Jul 23, 2025 · Instead of putting everything into one long string, multipart form data breaks the form into parts. Each part contains one piece of information, like a text field or a file, and they …

May 20, 2021 · Multipart requests consist of sending data of many different types separated by a boundary as part of a single HTTP method call. Generally, we can send complicated JSON, …

With Servlet multipart parsing, you may also declare jakarta.servlet.http.Part instead of Spring’s MultipartFile, as a method argument or collection value type. You can also use multipart …

Dec 30, 2021 · This article briefly introduces the definition, application and simple implementation of the media type multipart/form-data in the HTTP protocol.

Apr 25, 2023 · But if you're curious, keep reading. What is multipart? MIME types fall into two classes, discrete and multipart. Discrete hold one document. Examples include application/ …

Multipart requests combine one or more sets of data into a single body, separated by boundaries. You typically use these requests for file uploads and for transferring data of several types in a …

Sep 17, 2025 · Learn how HTTP multipart requests work, from email origins to modern APIs. Discover practical patterns for mixing JSON with binary files and build confidence with this …