Hi everyone, I’m experiencing intermittent 429 errors when calling the AppSheet REST API from Google Apps Script, and I wanted to check if anyone else is seeing the same thing recently. Setup: AppSheet Bot → triggers Apps Script (via “Call a script” task) → Apps Script calls AppSheet API to edit r…

Hello All, The HTML 429 error issue has been resolved. Moreover, Apps Script’s 100 MB limit has nothing to do with AppSheet. If you want to pursue bandwidth usage limits with Apps Script, you can can reach out for help using the below link. [image] How to get help | Apps Script | Goog…

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Thanks Steve! I hope it’s related — at least that thread mentions a revert is already in place. I’ll be monitoring throughout the day to see if the errors clear up.

I have been having the exact same issues as @Juan_Matias on a customer App where I need to use the API. I have been updating the scripts to add exponential backoff but its still failing with a simple 429 a lot. Something changed at least prior to two days ago

the errors are still occurring on our end. The revert mentioned in that thread doesn’t seem to have resolved it for us. Still getting the same HTML 429

@Juan_Matias @guillaume_aceo Please contact Support for help with this. Attn @Jose_Arteaga @Shourya_Tomar

Same here, I’m contacting support !

same here. i am still experiencing this issue in multiple apps script projects across multiple appsheet apps.

Experiencing the same here… Exponential Backoff is not helping either.

Just got off a Google Support chat — they confirmed this is an ongoing and known issue and have escalated it to their Specialist team.

Acabei de entrar em contato com o suporte pela 3 vez e ainda nada, está impossível.

AppSheet API returning HTML 429 — no audit log entry, started last week

AppSheet AppSheet Q&A

Steve April 8, 2026, 11:40pm 2

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