Subject: Google AI Studio Build Mode — Daily Quota Error Despite Paid Tier 1 API and Available Credits
Hello Google AI Studio Support Team,
I am experiencing a recurring quota issue in Google AI Studio Build mode that is preventing me from continuing development of my application, Registration Studio.
I initially encountered the daily quota limit while using Google AI Studio with my Google AI Pro subscription. To continue development, I activated paid Gemini API billing and purchased $30 in prepaid credits.
My current account status:
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Billing tier: Paid Tier 1
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Initial prepaid credit balance: $30.00
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Remaining credit balance: $28.82
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API billing project: Default Gemini Project
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Build mode access method: Pay per request
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API key: Connected and recognized by Google AI Studio
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Application: Registration Studio
After activating paid billing, I successfully completed an application correction. My prepaid balance subsequently decreased by $1.18, indicating that billable API activity occurred.
However, I am now receiving the following error:
“Upgrade to continue your flow. You’ve reached your limit for the day, you can wait for it to reset or upgrade to continue and unlock even more.”
This error appears despite my paid billing account being active, Google AI Studio displaying “Pay per request,” and my account still having $28.82 in available prepaid credits.
I have already verified my billing status and confirmed that Google AI Studio recognizes an API key. I have not purchased additional credits or changed API keys.
Could you please clarify the following?
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Why is Google AI Studio Build mode enforcing a daily quota when paid API billing is active and prepaid credits remain?
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Is this a separate Build mode restriction, a model-specific rate limit, or a billing/API configuration issue?
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Is this a known issue affecting Paid Tier 1 users?
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What steps are necessary to restore access without purchasing another subscription or adding more credits?
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If paid API billing does not remove this particular daily limit, could you clarify exactly which Build mode limits paid billing covers?
I purchased prepaid API credits specifically to continue developing my application after reaching the free daily limit. Although paid access initially appeared to work, I am now blocked from continuing development.
I have attached two screenshots:
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Screenshot 1 — Billing: Shows my Paid Tier 1 account and remaining $28.82 prepaid credit balance.
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Screenshot 2 — Quota error: Shows the “Upgrade to continue your flow” daily-limit message displayed in Google AI Studio Build mode.
These screenshots demonstrate that I have available paid credits while Build mode is preventing further development.
I would appreciate assistance identifying the specific quota being enforced, resolving the issue, and clarifying how paid API billing is intended to function with Google AI Studio Build mode.
Thank you for your assistance.
