Manual Billing Sync Request: 429 "prepayment credits are depleted" despite funded Prepay balance

Gemini API
1

My Gemini API requests are failing with an HTTP 429 RESOURCE_EXHAUSTED error stating “Your prepayment credits are depleted”, despite having an active, funded Prepay balance.

  • Project Name: Sumo

  • Project ID: sumo-508205

  • Current Account Balance: $10.00

The credits were added directly in Google AI Studio Pre-pay and the $10 balance shows up in the UI. Despite that, direct calls to the Gemini API return the 429 error. I have confirmed the API key is restricted correctly and the JSON payload is valid (no thinkingConfig parameters).

Could a staff member please perform a manual backend billing sync on Project ID sumo-508205 to update the internal billing state?

2

Hello @Igor_Jovic ,

I have DM`ed you for more details.

3

Hello @Igor_Jovic ,

If you continue to experience any issues, could you share the exact models you are calling via direct message so we can look into it?

4

I found the issue… the pre-payment was made at console.cloud.google.com and it didn’t work, we then made a pre-payment at aistudio.google.com and then it worked. The workflow is very confusing and it takes effort to get anything done at Google Cloud. I hope Google improves this in the future. But it’s sorted now so thank you.