The EODC Data Catalogue service allows querying the Copernicus Sentinel satellite data hosted at EODC. The service is available through a simple Web GUI, eomEX+, as well as an API. The back-end of eomEX+ is the EODC pycsw server, an implementation of an OGC CSW server. As a consequence, the eomEX+ API is accompanied by an expert level API provided by the EODC CSW server, located at link.

Further details can be found here.