AI Studio Starter Tier unavailable — publishing requires billing

Google AI Studio Starter Tier publishing is not available for my account.

I am trying to publish my full-stack web app “Mi Diario Metabólico” from Google AI Studio.

My Google Cloud project is:
gen-lang-client-077066****

The project shown in AI Studio is:
Default Gemini Project

I have not published any apps yet.

When I click Publish, AI Studio shows:

“Default Gemini Project”
“No billing setup”

and only offers:
“Set up billing”
“Refresh”

I do NOT want to enable Google Cloud Billing or add a payment method.

According to the current Google AI Studio documentation, the Google Cloud Starter Tier allows eligible users to publish up to 2 full-stack applications without setting up a Google Cloud project or billing account.

Please check why Starter Tier publishing is not being provisioned/enabled for my account and tell me what is required to make the Starter Tier available.

I am not asking to enable paid billing. I want to use the free Starter Tier publishing option.

Hello Google AI Studio team,

I am trying to publish my full-stack application, OVRION, from Google AI Studio Build Mode using the free Google Cloud Starter Tier.

The application is completed and working correctly.

When I click:

Publish → Get Started

the Publish dialog only shows:

Default Gemini Project

No billing setup

Set up billing

Refresh

I have refreshed the page, but the Starter Tier publishing option does not appear.

I do not want to enable Cloud Billing or add a payment method.

According to the current Google AI Studio documentation, eligible users can publish up to two full-stack applications using the Google Cloud Starter Tier without setting up a billing account.

Could you please check whether my account is eligible for the Starter Tier and whether the Starter Tier deployment option needs to be provisioned for my account/project?

I would appreciate help identifying why the free publishing option is not appearing.

I can provide screenshots of the Publish dialog if needed.

Thank you.