Hello Google Gemini Team, I have been continuously receiving the following error while using your API model since yesterday: “503 UNAVAILABLE: This model is currently experiencing high demand. Spikes in demand are usually temporary. Please try again later.” It has been more than 24 hours, but the…

Hello @Shah_Ram , 503 errors are due to our services being temporarily overloaded. Please see this pinned post for suggestions on how to handle this.

Can you tell me when this issue will be resolved because I have to complete the project.

hey @Shah_Ram , we have client that hits 503 95% of the time the past 2 weeks the service is working for us or other clients. but this one specific client is having major issues and we need support, the prepaid for tier 2 and are not receiving the service the paid for.

Gemini API is returning a 503 UNAVAILABLE high demand error continuously for more than 24 hours, and I need help understanding the cause and expected resolution time

Gemini API

Jon_Matthews June 29, 2026, 3:45pm 5

Hi, thanks for the reports. There was an issue on our side which caused elevated 503 errors last week. This has now been resolved.

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Gemini API is returning a 503 UNAVAILABLE high demand error continuously for more than 24 hours, and I need help understanding the cause and expected resolution time

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