Which HTTP method is used for creating a resource in RESTful services?

In RESTful services, the HTTP method that is used for creating a resource is typically POST. When a client sends a POST request to a server, it is usually accompanied by the data that defines the new resource to be created. The server processes this request, creates the resource, and often responds with the newly created resource's information and a status code indicating success.

POST is designed specifically for operations that result in a change to the server state, such as adding new data. It allows the client to submit data, which the server can then store, and it doesn't require the request to be idempotent, meaning multiple identical requests can result in creating multiple resources.

Other methods serve different purposes: GET is used to retrieve resources without any modification, DELETE is used to remove existing resources, and there is no standard HTTP method called CREATE in the HTTP specification. Thus, POST is the appropriate choice for resource creation in RESTful architectures.