Techniques are disclosed for consuming and integrating with representational state transfer (REST) based services. In one embodiment, a multiple-step extract, transform, load (ETL) job includes one or more REST steps. Each step in the ETL job performs a particular well-defined task, and the REST step in particular constructs REST requests, invokes REST services, and retrieves REST responses. The REST step may be mapped to a vector of inputs such that multiple REST service calls are made for each of the inputs. Further, a reusable connection may be employed so that one connection can be used to make multiple REST service calls. URLs used to make REST service calls may be dynamically constructed based on input data parameters and ETL job parameters. Additionally, a graphical user interface (GUI) allows users to configure aspects of a REST step.