ZMZeya Mosharrafinzeyamosharraf.hashnode.dev·Jan 27 · 4 min readHow I Built a Secure Middleware to Stop Power BI 429 Errors with Google SheetsThe real problem (not the surface-level one) Power BI connecting directly to Google Sheets looks simple — until it isn’t. In real usage, stakeholders started facing: 429: Too Many Requests errors Random refresh failures Slow preview and load behav...00