{"uid":"cap_nq8taQoFqjtSyenq3d8pt","slug":"tempo-halowerk-video-renderstart-check-bc01d11a","name":"Tempo Halowerk Video Renderstart Check","description":"Prüft am Objekt video den Befund Zeit bis zum sichtbaren Renderstart.","url":"https://tempo.halowerk.com/v1/pruef/tempo/renderstart/video","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_o4HqCMNHNsSyhR5oxNDCy","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 and reports the time-to-first-visible-render (renderstart) for a video resource at a given public URL.","exampleAgentPrompt":"Can you check how long it takes for the video on https://example.com/page to start visibly rendering — I want to know the renderstart time so I can diagnose slow load complaints.","exampleUseCases":[{"title":"Diagnosing slow video page load","prompt":"My users are complaining the video on https://shop.example.com/hero takes forever to appear — can you measure the renderstart time for that video so I can see how bad the delay actually is?"},{"title":"Pre-launch performance audit","prompt":"Before we go live, check the renderstart time for the video embedded on https://staging.mybrand.com/landing — I need to know if it meets our under-2-second threshold."},{"title":"Comparing video render across pages","prompt":"Can you measure the time-to-renderstart for the video at https://cdn.example.com/promo.mp4 and tell me how many milliseconds it takes before the first frame appears?"}],"resultDescription":"Returns a performance finding (Befund) with the measured time-to-first-visible-render (Renderstart) for the specified video resource, including the numeric duration and associated diagnostic metadata.","failureModes":["URL is not publicly accessible — returns error or timeout","No video object found at the target URL or matching the CSS selector — returns no-match finding","Target server blocks automated requests or returns 403/404 — request fails","Invalid URL format or URL exceeds length limits — validation error","CSS selector matches no element or matches a non-video element — falls back to first match or returns error"],"whenToPreferThis":"Choose this endpoint when you specifically need to measure the time-to-first-visible-render (renderstart) for a video resource on a public webpage, as opposed to other loading metrics like TTFB, connection time, or byte count. It is the right choice when diagnosing perceived video loading slowness from a user's perspective, since renderstart reflects the moment the video becomes visible rather than lower-level network metrics. Prefer this over general page speed tools when you want an isolated, per-resource video render timing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T12:40:07.656Z","isFirstParty":false}