401 Unknown key

The key verified as one we issued, but there is no active record of it.

Common causes

The key was deleted, or the project containing it was deleted. Deleting a project removes every key in it.

It was created less than 30 seconds ago. New keys propagate to the API within 30 seconds. Wait and retry.

It belongs to a different account or environment.

Check your keys at app.instantgeo.info.