Compromised API key generated $13,428 Gemini charges in one day (Mar 30); Google suspended billing; production Firebase app broken 13 days.
Request sent to https://sipi.bot/v1/transactions/evaluate on 2026-08-30T15:36:29.240525+00:00:
{
"transaction_id": "replay-it-013-1788104188",
"amount": 13428.0,
"currency": "USD",
"merchant": "google-gemini-api",
"description": "Replay of publicly reported incident amount ($13,428, 2026-04-13) from https://www.reddit.com/r/googlecloud/comments/1sjzat3/api_key_compromised_13428_fraudulent_charges/"
}
Exact response:
{
"decision": "BLOCKED",
"reason": "Block any single transaction over $500",
"rule_id": "rul_eff79f00f6",
"triggered": [
{
"rule_id": "rul_eff79f00f6",
"rule_type": "per_transaction",
"action": "BLOCKED",
"label": "Block any single transaction over $500"
}
],
"transaction_id": "txn_9e8baf6a0425",
"amount": 13428.0,
"merchant": "google-gemini-api",
"category": ""
}
For this replayed transaction proposal, the live sipi.bot endpoint returned BLOCKED with the rule shown above.
This is a replay of a publicly reported amount, not a claim about avoided losses. The decision shown is a timestamped observation of the public demo decision API for this single replayed proposal, not a statement about the historical incident or any party's account.
Source checked live at 2026-08-30T15:36:29.240525+00:00.