Paste a URL, get a verdict on whether browsers and CDNs can cache it, for how long, and what is misconfigured.
Analyze the HTTP caching headers of a URL: verdict (cacheable, browser_only, revalidate_every_time, never_stored, ...), freshness lifetimes, and detected misconfigurations.
Easiest way: the APIHub CLI. Credits cover x402, no wallet needed.
# install and set up once
npx @apihubio/cli register
npx @apihubio/cli topup 10
# call this service
npx @apihubio/cli call -X GET "https://proxy.apihub.io/cache-headers/v1/analyze?url=https://example.com"Or call the proxy directly (curl / any HTTP client):
curl https://proxy.apihub.io/cache-headers/v1/analyze?url=https://example.com \
-H "Authorization: Bearer ahk_your_key"
# If credits available: charged automatically, returns 200
# Otherwise: returns 402 (pay via @x402/fetch or top up credits)Estimate your monthly cost for HTTP Cache Headers Analyzer.