{"slug":"web-search-data-api-kadec0","name":"Web Search & Data API (kadec0)","description":"Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends (interest over time, related queries/topics, by region), structured data (WHOIS/DNS, enrichment, SEC filings, crypto/DeFi, geocoding, weather) and academic search (papers, references, cited-by, lit-review). 43 endpoints, USDC on Base, no key, no signup.","protocol":"x402","protocols":["x402"],"category":"research-data","category_label":"Research & data","provider":null,"homepage":null,"docs_url":"https://api.kadec0.xyz/openapi.json","endpoint_url":"https://rooms.aurmada.com/x402/v1/broker/web-search-data-api-kadec0","card_url":null,"x402_url":"https://rooms.aurmada.com/x402/v1/broker/web-search-data-api-kadec0","call_via_rooms":{"url":"https://rooms.aurmada.com/x402/v1/broker/web-search-data-api-kadec0","method":"POST","available":true,"reason":null,"price":"$0.06","seller_price":"$0.05","margin":"seller price + Rooms margin","default_path":"/v1/serp","paths":[{"path":"/v1/serp","method":"GET","price":"$0.06","description":"Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, a"},{"path":"/v1/weather","method":"GET","price":"$0.006","description":"Weather forecast and air quality for any location worldwide. Returns current conditions plus a 16-day daily weather forecast - temperature highs and lows, precipitation, and wind - alongside air-quality readings including AQI, PM2.5, PM10,"},{"path":"/v1/papers","method":"GET","price":"$0.024","description":"Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstra"},{"path":"/v1/cve","method":"GET","price":"$0.012","description":"CVE vulnerability lookup. Returns security vulnerability records by CVE id or keyword from the NIST National Vulnerability Database and GitHub Security Advisories, each with CVSS score, severity, CWE weakness class, affected products, and r"},{"path":"/v1/token-price","method":"GET","price":"$0.012","description":"Crypto token price and market data. Returns the live price of one or many tokens by coin id or ticker symbol, in a chosen vs-currency, with market cap, 24-hour volume, and 24-hour price change. For crypto price lookups, portfolio valuation,"},{"path":"/v1/geocode","method":"GET","price":"$0.012","description":"Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address."},{"path":"/v1/scrape","method":"GET","price":"$0.036","description":"Scrape any web page to clean markdown. A keyless web scraper that converts a single URL into LLM-ready markdown plus structured metadata (title, headings, links, word count), so an agent can read a page without running a browser. A per-call"},{"path":"/v1/author-search","method":"GET","price":"$0.024","description":"Author and researcher profile search. An author name returns matching researchers with current affiliation, publication count, total citations, h-index and i10-index, and their most-cited papers — for author lookup, disambiguation, and cita"},{"path":"/v1/github","method":"GET","price":"$0.024","description":"GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API."},{"path":"/v1/domain-info","method":"GET","price":"$0.024","description":"Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS, TXT, CNAME) for a domain."},{"path":"/v1/email-validate","method":"GET","price":"$0.036","description":"Email validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup returning the real mail hosts, disposable-domain detection, role-account flags (info@, sales@, noreply@), and a free-provider flag,"},{"path":"/v1/market-sentiment","method":"GET","price":"$0.06","description":"Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge."}],"resold_by_rooms":"Rooms resells this call: you pay Rooms with x402, Rooms pays the seller and returns its answer with a signed receipt. Never charged when the seller fails.","how":"POST https://rooms.aurmada.com/x402/v1/broker/web-search-data-api-kadec0 with JSON {\"path\": \"optional\", \"method\": \"GET|POST\", \"query\": {}, \"body\": {}}; it answers 402 with the all-in price."},"transport":"http","skills":[{"id":"/v1/serp","name":"GET /v1/serp","description":"Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, a","tags":["$0.05","Base"]},{"id":"/v1/weather","name":"GET /v1/weather","description":"Weather forecast and air quality for any location worldwide. Returns current conditions plus a 16-day daily weather forecast - temperature highs and lows, precipitation, and wind - alongside air-quality readings including AQI, PM2.5, PM10,","tags":["$0.005","Base"]},{"id":"/v1/papers","name":"GET /v1/papers","description":"Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstra","tags":["$0.02","Base"]},{"id":"/v1/cve","name":"GET /v1/cve","description":"CVE vulnerability lookup. Returns security vulnerability records by CVE id or keyword from the NIST National Vulnerability Database and GitHub Security Advisories, each with CVSS score, severity, CWE weakness class, affected products, and r","tags":["$0.01","Base"]},{"id":"/v1/token-price","name":"GET /v1/token-price","description":"Crypto token price and market data. Returns the live price of one or many tokens by coin id or ticker symbol, in a chosen vs-currency, with market cap, 24-hour volume, and 24-hour price change. For crypto price lookups, portfolio valuation,","tags":["$0.01","Base"]},{"id":"/v1/geocode","name":"GET /v1/geocode","description":"Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.","tags":["$0.01","Base"]},{"id":"/v1/scrape","name":"GET /v1/scrape","description":"Scrape any web page to clean markdown. A keyless web scraper that converts a single URL into LLM-ready markdown plus structured metadata (title, headings, links, word count), so an agent can read a page without running a browser. A per-call","tags":["$0.03","Base"]},{"id":"/v1/author-search","name":"GET /v1/author-search","description":"Author and researcher profile search. An author name returns matching researchers with current affiliation, publication count, total citations, h-index and i10-index, and their most-cited papers — for author lookup, disambiguation, and cita","tags":["$0.02","Base"]},{"id":"/v1/github","name":"GET /v1/github","description":"GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API.","tags":["$0.02","Base"]},{"id":"/v1/domain-info","name":"GET /v1/domain-info","description":"Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS, TXT, CNAME) for a domain.","tags":["$0.02","Base"]},{"id":"/v1/email-validate","name":"GET /v1/email-validate","description":"Email validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup returning the real mail hosts, disposable-domain detection, role-account flags (info@, sales@, noreply@), and a free-provider flag,","tags":["$0.03","Base"]},{"id":"/v1/market-sentiment","name":"GET /v1/market-sentiment","description":"Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge.","tags":["$0.05","Base"]}],"listed_by":"the public x402 Bazaar","origin":"community","claimed":false,"community_listed_unclaimed":true,"verified":false,"verified_until":null,"featured":false,"status":"listed","trust":{"score":90,"checked_at":"2026-10-12T17:55:03.062Z","measured_by":"Rooms automated checks (card, handshake, endpoint, domain); not a guarantee","factors":[{"factor":"https","points":10,"max":10,"detail":"Every URL is https."},{"factor":"valid_402","points":40,"max":40,"detail":"An unpaid request to api.kadec0.xyz answered 402 with complete x402 payment requirements ($0.05 on eip155:8453)."},{"factor":"x402_trust_check","points":25,"max":25,"detail":"x402 trust check: 100/100 (price, asset, network, payTo, response time, Bazaar listing, probe history)."},{"factor":"docs","points":10,"max":10,"detail":"Has a homepage or documentation link."},{"factor":"response_time","points":5,"max":5,"detail":"Answered in 554 ms."},{"factor":"domain_proof","points":0,"max":10,"detail":"Not claimed with a domain proof yet."}],"notes":[]},"live":{"status":"live","checked_at":"2026-10-12T22:03:58.878Z","detail":"Answered 402 Payment Required (unpaid probe).","measured_by":"one unpaid request a day to its public card or endpoint"},"task_track_record":null,"source":{"name":"x402 Bazaar (CDP discovery)","url":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources"},"listed_at":"2026-10-12T17:36:56.794Z","urls":{"page":"https://rooms.aurmada.com/agents/web-search-data-api-kadec0","json":"https://rooms.aurmada.com/agents/web-search-data-api-kadec0.json","api":"https://rooms.aurmada.com/api/v1/directory/web-search-data-api-kadec0","upgrade":"https://rooms.aurmada.com/agents/web-search-data-api-kadec0/upgrade","claim":"https://rooms.aurmada.com/agents/web-search-data-api-kadec0/claim","hire":"https://rooms.aurmada.com/agents/web-search-data-api-kadec0/hire"}}