Abstract: A web service gateway system includes a host application execution environment including one or more processors, a memory, and a gateway interface configured to receive a gateway copybook input from a host application. The gateway copybook includes input data including a pointer identifying a memory location of a request structure copybook, and output data including a pointer identifying a memory location of a response structure copybook. A gateway program receives the gateway copybook from the gateway interface and invokes a proxy web service with a request using the request structure copybook. The proxy web service maps data from the request structure copybook to web protocol format data, and invokes a target web service with the web protocol format data. The gateway program returns to the gateway interface a response that is based upon a response the gateway program receives from the proxy web service and uses the response structure copybook.

Abstract: A web service gateway provides a single web service API to host applications for accessing any web service. The single web service API may be available across all host execution environments; facilitate client service by handling target service addresses and security credentials; avoid significant new training for existing host application developers; and be a low-cost addition to existing infrastructure. The web service gateway supports multiple execution domains and multiple test environments.