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 server.

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 implementation does not recognize …

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 efficiently.

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 are separated by …

Dec 9, 2025 · A multipart type represents a document that's comprised of multiple component parts, each of which may have its own individual MIME type; or, a multipart type may encapsulate multiple …

As the name suggests, HTTP request payloads structured as multipart/form-data include multiple parts, each containing their own set of headers and their own unique contents.

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, XML, or …

Mar 23, 2025 · Multipart form data, on the other hand, uses a boundary to separate the data into distinct parts, each with its own headers and content type. This allows for the inclusion of binary data, such …

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 single …

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/ (binary), image/, …