How to Scrape Google Trends Data Without an API Key Using Its Hidden JSON Endpoints

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Google Trends has no official API, but its website runs on undocumented keyless JSON endpoints that return the same data shown in the UI. The process involves two calls — first to an 'explore' endpoint to retrieve signed widget tokens, then to widget-specific data endpoints using those tokens. A valid NID cookie is required and can be obtained from the initial explore page request, even when that request returns a 429 error. Google internally flags keyless sessions with a 'USER_TYPE_SCRAPER' label, which restricts the related topics widget to empty results, though related queries, timelines, and regional data remain fully accessible. Developers are advised to space out requests by a few seconds and refresh the cookie on 429 errors to keep the scraper running reliably without proxies.

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ProgrammingDEV Community ·

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