Protecting public JSON API responses from scraping when using Cloudflare CDN — is there any real solution?

📰 Reddit r/webdev

Protect your public JSON API responses from scraping when using Cloudflare CDN by implementing rate limiting, IP blocking, and encryption

intermediate Published 2 Jun 2026
Action Steps
  1. Configure Cloudflare rate limiting to restrict excessive requests
  2. Use Cloudflare IP blocking to prevent known scraper IPs
  3. Implement encryption for JSON data using Cloudflare Workers
  4. Validate user agents and block suspicious requests
  5. Monitor API traffic and adjust security measures accordingly
Who Needs to Know This

Developers and DevOps teams can benefit from this solution to prevent data scraping and protect proprietary algorithms

Key Insight

💡 Implementing a combination of security measures can help protect public JSON API responses from scraping

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🚫 Protect your JSON API from scraping with Cloudflare rate limiting, IP blocking, and encryption! 💡

Key Takeaways

Protect your public JSON API responses from scraping when using Cloudflare CDN by implementing rate limiting, IP blocking, and encryption

Full Article

Hi, I have a web app that serves cached JSON files via Cloudflare CDN. The data is generated by a proprietary algorithm and has significant competitive value. The JSON structure is simple to discover: /cache/_index.json → lists manifest URLs /cache/manifest_xxx.json → lists data file URLs /cache/data_xxx.json → actual proprietary data Anyone can write a 20-line scri
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