{"uid":"cap_JK53t3HQO4BG4P4QbwwGJ","slug":"tempo-halowerk-com-ttfb-check-for-document-a8076b64","name":"tempo.halowerk.com – TTFB Check for Document","description":"Prüft am Objekt dokument den Befund Zeit bis zum ersten Byte.","url":"https://tempo.halowerk.com/v1/pruef/tempo/ttfb/dokument","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"ziel":{"oneOf":[{"type":"string","maxLength":2048,"minLength":1,"description":"Öffentliche HTTP(S)-Adresse; bei DNS-Befunden Domain oder öffentliche IP."},{"type":"object","required":["adresse"],"properties":{"adresse":{"type":"string","maxLength":2048,"minLength":1},"selektor":{"type":"string","maxLength":240,"minLength":1,"description":"CSS-Selektor: genau ein Objekt, sonst erster Treffer des Objektfilters."},"vergleich":{"type":"string","maxLength":2048,"description":"Öffentliche Vergleichsadresse für Link-, Sitemap- oder Sprachbefunde."},"user_agent":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,80}$"},"dkim_selektor":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,63}$"}},"additionalProperties":false}]}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3YMTTELsrKmxC9eo0BTgQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Measures the Time to First Byte (TTFB) for a given public HTTP(S) document URL and returns the findings.","exampleAgentPrompt":"Can you check the time to first byte (TTFB) for https://example.com/report.pdf and tell me how fast the server responds?","exampleUseCases":[{"title":"Diagnose slow server for a landing page","prompt":"My landing page at https://www.mystore.com/sale feels sluggish — can you measure the TTFB so I know if the server response itself is the bottleneck?"},{"title":"Monitor TTFB for an API documentation page","prompt":"Check the time to first byte for https://docs.myapi.com/reference and let me know if the server is responding quickly enough."},{"title":"Benchmark a competitor document's response time","prompt":"I want to compare how fast my product page loads versus a competitor — can you measure the TTFB of https://competitor.com/product-overview for me?"}],"resultDescription":"Returns a performance finding object containing the measured Time to First Byte (TTFB) for the specified document URL, indicating how quickly the server begins sending a response after a request is made.","failureModes":["URL is not publicly accessible or returns a non-2xx status, leading to an error result","Malformed or missing 'ziel' field causes a validation error","Target server is unreachable or times out, resulting in no measurement","Invalid CSS selector causes fallback to first matching element or error","URL exceeds the 2048 character limit"],"whenToPreferThis":"Use this endpoint when you specifically need to measure Time to First Byte (TTFB) for a document resource (HTML page, PDF, or other document URL) as a focused server-response-time diagnostic. Prefer this over general page-load tools when you need a single, cost-effective TTFB signal rather than a full performance audit, and when the target is a document object type rather than a stylesheet, script, video, or API response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:56:57.797Z","isFirstParty":false}