{"uid":"cap_LrxEAUETeU5A1uYyaFtoE","slug":"kihustle-critical-css-hint-e875c50b","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/nexus/api/v1/critical-css-hint?utm_source=zero.xyz","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_7UJjc9bL2vZTMH5pbCiEF","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":"Analyzes an HTML document and returns a hint for which CSS is critical (above-the-fold) to improve page load performance.","exampleAgentPrompt":"Can you analyze this HTML and tell me which CSS is critical so I can inline it for faster page loads? Here's the HTML: <!DOCTYPE html><html><head><link rel='stylesheet' href='/styles.css'></head><body><h1>Hello World</h1></body></html>","exampleUseCases":[{"title":"Inline critical CSS for landing page","prompt":"I want to speed up my landing page. Can you look at this HTML and tell me which CSS is critical so I know what to inline in the head tag? Here's the full HTML markup."},{"title":"Performance audit for blog post template","prompt":"Analyze this blog post HTML template and extract the critical CSS hints — I'm trying to reduce render-blocking styles and get a better Lighthouse score."},{"title":"Automated CSS optimization in build pipeline","prompt":"I'm building an automated site optimizer. Feed this HTML into the critical CSS hint tool and give me back the result so I can use it to split my stylesheets."}],"resultDescription":"Returns a JSON object with a 'result' field (e.g. 'processed') and a 'status' field (e.g. 'success'), indicating whether the HTML was analyzed and a critical CSS hint was generated. The response may include hints about which CSS rules are critical for above-the-fold rendering.","failureModes":["Empty or malformed HTML input may return an error or unexpected result","Very large HTML documents may time out or be rejected","Missing 'html' field in the request body likely returns a validation error","Non-HTML content passed as HTML may produce irrelevant hints"],"whenToPreferThis":"Use this endpoint when you need a lightweight, pay-per-call service to identify critical CSS from raw HTML strings, especially in automated pipelines or agent workflows where you want to optimize web page rendering without maintaining your own CSS analysis infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:48:06.581Z","isFirstParty":false,"canonicalSlug":"kihustle-critical-css-hint-42c0719c"}