HTTP
Vendor Extension
524 A Timeout Occurred
Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
When You See This Code
When a request to the origin takes longer than Cloudflare's 100-second timeout.
How to Fix
Optimize slow endpoints. Move long-running tasks to background jobs.
Guides
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HTTP Fundamentals
HTTP Redirects: 301 vs 302 vs 307 vs 308
HTTP Fundamentals
HTTP Caching: Cache-Control, ETags, and 304 Responses
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Complete Guide to HTTP Methods: GET, POST, PUT, PATCH, DELETE
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How to Implement and Handle Rate Limiting (429)
API Design
API Versioning Strategies: URL, Header, and Query Param
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Designing Consistent API Error Responses
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API Keys vs OAuth vs JWT: Choosing the Right Auth Method
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