As of August 30th 2015, users will no longer be able to create new Pipes. The Pipes team will keep the infrastructure running until end of September 30th 2015 in a read-only mode.

As of August 30th 2015, users will no longer be able to create new Pipes. The Pipes team will keep the infrastructure running until end of September 30th 2015 in a read-only mode.

—

Yahoo Pipes Blog

Tragic EOL announcement.