{"uid":"cap_8f7x9u5BHZbWtfyQ5m-Or","slug":"apiacre-com-web-performance-profiler-b5acc239","name":"apiacre.com Web Performance Profiler","description":"Measure website response latency, payload size, compression, caching, and performance signals for a public URL.","url":"https://apiacre.com/v1/web/performance-profile","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","title":"Url","format":"uri","maxLength":2083,"minLength":1}}},"responseSchema":{"type":"json","example":{"data":{"url":"https://example.com/","bytes":559,"status":200,"elapsedMs":40,"compression":"gzip","cacheControl":null,"serverTiming":null},"meta":{"cached":false,"sources":[],"warnings":[],"duration_ms":42,"next_actions":[]},"service":"web.performance-profile","version":"1","request_id":"018f1f54-7f38-7ba2-8dc3-5f90272d9f1a"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_p4woymiwl9K_rGD3q-M_d","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Measures response timing, payload size, compression, and caching behavior for a given web URL via HTTP request profiling.","exampleAgentPrompt":"Can you profile the performance of https://api.myapp.com/health — I want to see the response time, payload size, whether it's compressed, and what caching headers it returns?","exampleUseCases":[{"title":"API endpoint latency audit","prompt":"Profile the response timing and payload size for https://api.myshop.com/products — I want to know how fast it responds and whether it's using compression."},{"title":"CDN cache verification","prompt":"Check if https://cdn.mybrand.com/assets/main.js is being served with proper cache headers and whether the response is compressed."},{"title":"Pre-launch performance baseline","prompt":"Run a performance profile on https://staging.myapp.com/v2/home so I can see response time, payload size, and compression before we go live."}],"resultDescription":"Returns structured metrics including response timing (e.g. TTFB, total duration), response payload size (raw and compressed), compression encoding used (e.g. gzip, brotli, none), and cache-related HTTP headers (e.g. Cache-Control, ETag, Expires).","failureModes":["Target URL is unreachable or returns a non-200 status — endpoint may return an error with the HTTP status code received","Invalid or malformed URL input — returns a validation error","Target server takes too long to respond causing a timeout","URL points to a non-HTTP resource or unsupported protocol","Rate limiting or firewall on the target server blocks the profiling request"],"whenToPreferThis":"Choose this endpoint when you need objective, server-side HTTP performance measurements for a specific URL — including timing, size, compression, and caching — rather than browser-based or synthetic frontend metrics. It is especially useful for auditing API endpoints, verifying CDN behavior, or establishing performance baselines without running your own infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:49:06.126Z","isFirstParty":false}