The Wikipedia entry on HTTP lists the following HTTP request methods:
- HEAD: Asks for the response identical to the one that would correspond to a GET request, but without the response body.
- GET: Requests a representation of the specified resource.
- POST: Submits data to be processed (e.g., from an HTML form) to the identified resource. The data is included in the body of the request.
- PUT: Uploads a representation of the specified resource.
- DELETE: Deletes the specified resource.
- TRACE: Echoes back the received request, so that a client can see what (if any) changes or additions have been made by intermediate servers.
- OPTIONS: Returns the HTTP methods that the server supports for specified URL. This can be used to check the functionality of a web server by requesting '*' instead of a specific resource.
- CONNECT: Converts the request connection to a transparent TCP/IP tunnel, usually to facilitate SSL-encrypted communication (HTTPS) through an unencrypted HTTP proxy.
- PATCH: Is used to apply partial modifications to a resource.
I'm interested in knowing (specifically regarding the first five methods):
- which of these methods are able (supposed to?) receive payloads
- of the methods that can receive payloads, how do they receive it?
- via query string in URL?
- via URL-encoded body?
- via raw / chunked body?
- via a combination of ([all / some] of) the above?
I appreciate all input, if you could share some (preferably light) reading that would be great too!
What are the 4 types of HTTP request methods?
The most commonly used HTTP request methods are GET, POST, PUT, PATCH, and DELETE.
What is the payload of an HTTP message?
The payload consists of metadata, in the form of header fields, and data, in the form of the sequence of octets in the message-body after any transfer-coding has been decoded. A "payload" in HTTP is always a partial or complete representation of some resource.
What is payload in GET request?
A payload in API is the actual data pack that is sent with the GET method in HTTP. It is the crucial information that you submit to the server when you are making an API request. The payload can be sent or received in various formats, including JSON.
Here is the summary from RFC 7231, an updated version of the link @Darrel posted:
- HEAD - No defined body semantics.
- GET - No defined body semantics.
- PUT - Body supported.
- POST - Body supported.
- DELETE - No defined body semantics.
- TRACE - Body not supported.
- OPTIONS - Body supported but no semantics on usage (maybe in the future).
- CONNECT - No defined body semantics
As @John also mentioned, all request methods support query strings in the URL (one notable exception might be OPTIONS which only seems to be useful [in my tests] if the URL is HOST/*).
I haven't tested the CONNECT and PATCH methods since I have no interest in them ATM.
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