429 Quota exceeded

You have used the requests included in your plan for this billing period.

Every plan stops at its included requests — there is no overage, so this is always the same situation: you have used the month’s requests.

To resume immediately, upgrade in Billing. The new limit reaches the API within 30 seconds.

Otherwise usage resets at resetAt in the response body (a Unix timestamp).

Either way

Usage resets at resetAt in the response body (a Unix timestamp). Changes to your plan or caps take effect within 30 seconds.

If this surprised you, check the per-key breakdown on your project page — a single misconfigured page calling on every render is the usual cause.