New authentication token-based Identity and Access Management (IAM)

[guilmarques]

The service has migrated to token-based Identity and Access Management (IAM) authentication for all locations. All IBM Cloud services now use IAM authentication. The Speech to Text service migrated in each location on the following dates:

Dallas (us-south): October 30, 2018
Frankfurt (eu-de): October 30, 2018
Washington, DC (us-east): June 12, 2018
Sydney (au-syd): May 15, 2018

All the services credentials are deprecated with username and password requisition.

https://console.bluemix.net/docs/services/speech-to-text/release-notes.html#October2018b