Hi Google team,
I’m hitting the same Tier 3 → Tier 1 downgrade bug. My production app is currently down because of this.
What happened:
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My billing account / project was operating on Tier 3 with active billing and a clean history (no policy violations, no payment issues, no settings changes on my side).
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Mid-month, the tier was silently downgraded to Tier 1.
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As a result, the Tier 1 monthly spend cap ($250) was instantly considered exceeded by my legitimate Tier 3 usage so far this month.
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All API requests are now being rejected — the app is fully blocked until the next billing cycle.
No notification was sent before or after the downgrade. I only discovered the change when production traffic started failing.
Impact:
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Production outage on a live paid SaaS product serving paying customers.
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Loss of revenue and customer trust during downtime.
Account details (will share via DM if a Googler picks this up):
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Billing account ID: 01A773-A755FB-FECE..
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Project ID: elewacio
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Region: EU (Poland)
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Current billing tier shown in console: Paid Tier 1
What I’m asking:
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Please restore the project / billing account to Tier 3 immediately so production can resume.
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Please reset or lift the cap that was retroactively applied after the downgrade — I have not exceeded any cap that applied to me at the time the spend was incurred.
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Please confirm what root cause is causing these silent Tier 3 → Tier 1 downgrades, given how many independent reports there now are on this forum.
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Please add a notification mechanism so account owners are warned before a tier change pauses production traffic.
This is clearly not an isolated case — there are at least 7+ public threads on this forum describing the exact same pattern since March 2026. It would be very helpful to get an official acknowledgement and a stable fix rather than per-account manual restores.
Thanks in advance for the help.