{"uid":"cap_CbgrT73iYhoF4FbGR2CRY","slug":"does-site-use-tailwind-css-ddf20764","name":"Does Site Use Tailwind CSS","description":"Does a website use Tailwind CSS? Fetches the page (homepage for a bare domain) and matches Tailwind CSS's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (css). Technographics for sales, competitor research and migration planning, one technology per call. $0.01 per check.","url":"https://site.intel.rallylive.ca/site/uses/tailwind?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YxGSHD1PhAFJ6xUA1YUqh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects whether a website uses Tailwind CSS by fetching its homepage and matching Tailwind-specific fingerprints in HTML and response headers, returning a yes/no result with evidence.","exampleAgentPrompt":"Can you check if stripe.com uses Tailwind CSS — I want to know if they've adopted it and see what evidence was found on their homepage?","exampleUseCases":[{"title":"Competitor tech stack research","prompt":"Check whether shopify.com uses Tailwind CSS — I'm doing competitive research on their frontend stack and want to know with evidence."},{"title":"Sales lead technographic qualification","prompt":"I'm building a list of prospects who use Tailwind CSS — can you check if acmecorp.com is using it so I can qualify them for our migration service?"},{"title":"Pre-migration technology audit","prompt":"Before we start the rewrite, can you verify whether our client's site at clientbrand.com is currently using Tailwind CSS?"}],"resultDescription":"Returns a yes/no boolean indicating whether Tailwind CSS was detected on the site, along with an evidence snippet (the matched HTML or header content that triggered the detection) and the technology category label ('css'). Useful for confirming presence or absence of Tailwind on any publicly accessible domain.","failureModes":["Domain is unreachable or returns a non-200 status — detection cannot proceed","Site uses heavy client-side rendering and Tailwind classes are only injected via JavaScript after page load — may return false negative","Highly customized Tailwind builds with purged class names may not match known fingerprints","Rate limiting or bot protection on the target domain blocks the fetch","Domain is missing or malformed in the request — returns an error"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, single-domain check for Tailwind CSS specifically. It is ideal for sales prospecting workflows, competitive technographic research, or pre-migration audits where you need a quick yes/no with evidence. For bulk checks across many domains, prefer the sibling bulk endpoint. For detecting other CSS frameworks or frontend technologies, use the corresponding technology-specific sibling endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:35:19.049Z","isFirstParty":false,"canonicalSlug":"does-site-use-tailwind-css-ddf20764"}