{"uid":"cap_fw445-M-dEjn5n4N9FL7R","slug":"kihustle-critical-css-hint-42c0719c","name":"KiHustle Critical CSS Hint","description":"Kostenlose Guides, Solo-Playbooks und Artikel zu KI, Automation und Side Hustles — für Menschen, die mit echten Systemen online Einkommen aufbauen wollen. Transparent finanziert über faire Affiliate-Links.","url":"https://kihustle.tech/api/v1/critical-css-hint","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"html":{"type":"string"}}},"responseSchema":{"type":"json","example":{"result":"processed","status":"success"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2grh47LWfkH8v884z0LYI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Accepts HTML input and returns critical CSS hints to optimize above-the-fold rendering performance.","exampleAgentPrompt":"Can you analyze this HTML and tell me which CSS is critical for the above-the-fold render? Here's the HTML: <html><head>...</head><body>...</body></html>","exampleUseCases":[{"title":"Inline critical CSS for landing page","prompt":"I have the full HTML for my product landing page — can you extract the critical CSS hints so I can inline them and speed up the first paint?"},{"title":"Audit page for render-blocking styles","prompt":"Here's the HTML of my blog post template — analyze it and tell me which CSS styles are critical for the initial render so I can stop them from blocking the page load."},{"title":"Optimize HTML for core web vitals","prompt":"I'm trying to improve my Core Web Vitals score. Can you take this HTML and give me a critical CSS hint so I know what styles to prioritize loading above the fold?"}],"resultDescription":"Returns a JSON object with a 'result' field indicating the processing outcome (e.g. 'processed') and a 'status' field (e.g. 'success'), along with any critical CSS hints derived from the submitted HTML.","failureModes":["Empty or malformed HTML input may return a generic success with no actionable hints","Very large HTML documents may hit processing limits or return incomplete hints","Missing or invalid HTML structure may result in ambiguous extraction","Network timeout for oversized payloads"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call critical CSS hint extraction from raw HTML without setting up a full frontend build pipeline or local tooling. Suitable for agents automating web performance audits or CI pipelines that process individual pages on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:42.288Z","isFirstParty":false}