Request: Allowlist access for Gemini 3.5 Computer Use (Vertex AI) — new project

Gemini API
,
1

Hi team,

I’d like to request allowlist access to the Gemini 3.5 computer-use tool on Vertex AI for a newly created project.

Project details:

  • Project ID: project-0b2c2677-3f5c-4b41-b…
  • Project Number: 6833180419..
  • Created: 2026-07-07 (today) — i.e. a brand-new project
  • Endpoint: global (as required for Gemini 3.x; us-central1 / us-east4 return 404 for the model, global returns PONG)
  • Billing: enabled (paid, US card)

What I’m seeing:

  • Plain-text Gemini calls on the global endpoint work fine (PONG).
  • Real computer-use tasks fail after 0–3 steps: the model returns text with no actions and exits early, so the loop treats it as “done” and stops.
  • The exact same request and code works on an older project of mine (created earlier), which reaches 40–50 steps on the same task. So this is not a configuration issue on my side — it appears to be per-project access to the computer-use tool.

Already ruled out (all tested, no effect):

  • Service account key vs Owner ADC
  • Vertex AI service-agent roles (manually created and granted)
  • Propagation time (waited ~15 hours)
  • Endpoint/region (global is correct and matches the working project; specific regions 404 as expected for Gemini 3.5)
  • Billing (paid, US card, same as the working project)
  • Console API enablement and generative-AI terms acceptance
  • Account/billing upgrade differences (the working project isn’t upgraded either)

Request:
Could you please enable / allowlist the Gemini 3.5 computer-use tool for the project number above (6833180419..)? I’m happy to provide request IDs, timestamps, or logs if that helps you locate the backend rejections.

Thanks!

2

this kind of per project allowlisting needs google cloud/vertex ai support to check on their end, its not something the community can grant. id open a support case here with your project number so they can look into the backend rejection: Get support  |  Gemini Enterprise Agent Platform  |  Google Cloud Documentation

3

also forget to mention that Vertex AI is now gemini enterprise agent platform. (same functionality, just absorbed to my understanding. Im sure you know that but just wanted to make sure for other viewers