400 Billing account for project is not found. Billing must be enabled for activation of service(s)

Question

I am create API with firebase via this tutorial here.

On I run:

firebase deploy

I get this error on the command line:

Answer 1

The tutorial you're following is very old. Cloud Functions now requires an active billing account. You will need to add one, even if you don't expect to exceed the free allowance.

See also:

• Is Function Cloud in Firebase Free or Not (Cloud Functions deployment requires the pay-as-you-go (Blaze) billing plan)

Consider contacting the author of that article to tell them that they should update their article to be more accurate.