Paid Pro Subscriber Banned Instantly for Testing Opencode OAuth

Google Antigravity
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I am a paid Google Pro subscriber. My Gemini API and CLI access was just hit with an instant 403 PERMISSION_DENIED because I tested the Opencode / Antigravity OAuth plugin. No warning email. No notification. Just a silent, immediate lockout.

I reached out to Google One support (Case ID: 3-2566000040600). They gave me a completely irrelevant copy-paste response about prompt violations and refused to escalate the issue, telling me they have no visibility. I have emailed the feedback address, but seeing the other threads on this forum, it looks like a black hole.

It is completely unacceptable to instantly ban paying developers over a third-party IDE routing issue without a single warning or a clear appeal process. Taking our subscription money while permanently disabling the service with zero communication is a complete failure of developer support.

Fix the automated ban system and restore the accounts of your paying users.

Sunil

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Hey Google Developers Team, I tried the appeal via the email, but did not get a response. I became aware of this thread today, so i’m writing here to appeal the ban applied to my account.
Account

I want to be fully transparent about what happened, as I believe this was an honest and unintentional mistake on my part.

I was using OpenCode, an AI coding tool, alongside a community plugin called “Oh My OpenCode”. Since I was not authenticated via Google Auth on the OpenCode CLI directly, the Oh My OpenCode plugin prompted me to log in — and I did so through that prompt, without realizing this was not an officially supported or authorized authentication flow.

The key context here is: OpenCode supports OAuth for several other providers, so when the plugin presented a Google login prompt, I genuinely assumed it was a permitted integration. I had no awareness that Google Auth was not sanctioned for use with OpenCode, and I had no intent to circumvent any terms of service or abuse Google’s authentication infrastructure in any way. I was simply following a login prompt presented to me by a tool I trusted.

I take full responsibility for not verifying whether that specific flow was compliant before proceeding. That was a mistake, and I deeply regret it. Had I known it violated Google’s policies, I would never have used it. I have since stopped using the plugin and will ensure any future authentication flows are explicitly verified against Google’s Terms of Service before use.

Being banned from Gemini CLI and Google AI Studio has significantly impacted my development workflow, as these are tools I rely on daily for legitimate personal and professional projects.

I humbly ask that you consider:

  1. The unintentional nature of the violation

  2. That the login was initiated by a third-party plugin prompt, not a deliberate attempt to misuse Google Auth

I would be truly grateful for a second chance, the ban caused a massive hurt in my development productivity. Please reinstate my account access at your earliest convenience.

Thank you so much for your time and consideration. I’m happy to provide any additional information or clarification that may help with this review.

Warm regards,

Tulio Pinheiro

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Hi @sunil-gumatimath @Tulio_Pinheiro ,

We have heard your feedback regarding recent bans linked to third-party tool usage. We are currently rolling out a system-wide automated unban for all affected accounts. We appreciate your patience as we work to enhance the Antigravity experience. #terms

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Hi @Mrinal_Ghosh,
I’ve just run into the exact same issue here. OpenCode is throwing a 403 error, and I’m locked out of the Antigravity IDE with the message: ‘There was an unexpected issue setting up your account. Please try again later.’ This literally just happened. It’s frustrating to see that while older accounts are being unbanned, new accounts are suddenly getting hit with the same restrictions. Providing a quick appeal link or a contact email for unbanning would be really helpful for us heavy users, especially when these bans happen without any prior warning.

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Same boat here - didnt realize that the use of OpenCode with google oauth would cause a violation of terms of service. I’ve stopped using it now and have appealed the ban but there has been no communication from Google. Would greatly appreciate some openness in this process so i know what to do and what to expect. I am an Ultra plan subscriber. Any help @Mrinal_Ghosh would be appreciated.