In this tutorial the bitcoin exhange rates from http://blockchain.info will be read by a small SAP program and exported as SAP standard list output. To call the external JSON REST service the json4sapnw project was used. The target group for this blog are ABAP developers. Newbies are welcome.
More than two years ago the last version of the json4sapnw library was published. Json4sapnw is a Addon for ABAP based SAP NetWeaver systems and it is free for the SAP community.
The new version includes an HTTP client implementation to execute RESTful JSON Webservices with only a few lines of code. Some other optimizations and bugfixes are included too.