Developer built a 9-country horse racing odds tracker without proxies or headless browsers

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A developer built an open horse-racing odds tracker called World Turf Pulse covering nine countries by exploiting publicly accessible data endpoints rather than complex scraping tools. Three of the four target sites used server-side rendering, meaning data was already embedded in the HTML, eliminating any need for a JavaScript engine. Two Next.js-based sources embedded full page data as JSON blobs in script tags, while a pari-mutuel operator provided a keyless public JSON API used by its own web client. One source, a GraphQL app, had an AWS AppSync API key embedded in its own JavaScript bundle, with schema introspection enabled, allowing direct query access. The project highlights that many seemingly protected sites expose their data through their own frontend infrastructure, making conventional anti-bot workarounds unnecessary.

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