Methods, computer programs, and systems for processing a request through a web service on a server are provided. The method includes receiving a batch request from a client. The batch request includes a plurality of sub-requests that each specifies an operation to be performed by the web service. The method further includes processing the batch request through the web service including performing the operation specified by each of the plurality of sub-requests and generating a corresponding plurality of sub-replies. Each sub-reply contains result data of the processing of a corresponding sub-request. The method further includes constructing a batch reply including the plurality of sub-replies, and returning the batch reply to the client.