CF7 to Google Sheets Drops Submissions Due to Shared API Quota Across All Users

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WordPress site owners reported that roughly one in three Contact Form 7 submissions never reached their Google Sheets spreadsheet, even though email notifications and local database entries were recorded correctly. The GSheetConnector support team confirmed the cause: the free version of the plugin routes all API calls through the developer's single Google Cloud project, meaning thousands of sites share one 300-requests-per-minute quota. When that shared quota is exhausted, Google returns a 429 error and the submission is silently discarded without any alert to the site owner. The problem worsens as the plugin gains more installations, since more sites compete for the same limited quota bucket. The recommended fix is for each site owner to register their own Google Cloud project and connect the plugin to personal API credentials, effectively isolating their quota from all other users.

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