Fact · Speech recognition
Google's API key page says to add at least one restriction when you create an API key.
Checked against its source on October 17, 2026
In the source's own words
“Add at least one API key restriction. For more information, see Apply API key restrictions”
Manage API keys (Google Cloud), Google Cloud, 2026, Create an API key.
Open the original- What it measures
- The restriction limits which APIs or applications can use the key, so a key copied into a script or app is less useful to someone else.
- What it does not show
- The page gives the restriction step as guidance. It does not list which restriction to choose for Speech-to-Text.