Application Development HSTS applications can be developed using the Node API. For information about using the HSTS Node API to develop applications that use the transfer server, see: https://api.ibm.com/explorer/catalog/aspera/product/ibm-aspera/api/node-api/doc/guides-toc https://api.ibm.com/explorer/catalog/aspera/product/ibm-aspera/api/node-api/spec/node-api