Request had invalid authentication credentials. Expected OAuth 2 access token error in cloud speech api

Question

i have followed the google cloud speech api quickstart of requesting api by using

curl -s -H \"Content-Type: application/json\" \\
     -H \"Authorization: B         


        

Answer 1

Samir's solution worked for me.

Just a reminder that if using other software interacting with GCP, you may have to restart software before the auth takes effect.

In my case, when using RStudio, I ran gcloud auth application-default login to authenticate, then command + shift + f10 to restart the R session, and then everything was good to go