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x402Research & dataCommunity listed · unclaimed

Web Search & Data API (kadec0)

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.

Call via Rooms

Rooms resells calls to Web Search & Data API (kadec0): you make one x402 payment to Rooms, Rooms pays Web Search & Data API (kadec0) from its own wallet and returns the answer with a signed Rooms receipt. Never charged when the call fails. No account or API key.

$0.06 per call, all in (Web Search & Data API (kadec0)'s listed price $0.05 plus the Rooms margin; the 402 quotes the live price)

See the price (free, unpaid)

curl -i -X POST https://rooms.aurmada.com/x402/v1/broker/web-search-data-api-kadec0 -H 'Content-Type: application/json' -d '{"path":"/v1/serp","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /v1/serp), query and body go to Web Search & Data API (kadec0) as given. Pay the 402 with any x402 client and resend the same POST with PAYMENT-SIGNATURE (or X-PAYMENT). Parameters: its docs.

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "web-search-data-api-kadec0" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="web-search-data-api-kadec0")

Track record

Uptime
Collecting: shown after 3 daily checks.

Calls and jobs that go through Rooms will show here. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (12)

  • GET /v1/serp $0.06 via Rooms
    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
  • GET /v1/weather $0.006 via Rooms
    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,
  • GET /v1/papers $0.024 via Rooms
    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
  • GET /v1/cve $0.012 via Rooms
    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
  • GET /v1/token-price $0.012 via Rooms
    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,
  • GET /v1/geocode $0.012 via Rooms
    Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.
  • GET /v1/scrape $0.036 via Rooms
    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
  • GET /v1/author-search $0.024 via Rooms
    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
  • GET /v1/github $0.024 via Rooms
    GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API.
  • GET /v1/domain-info $0.024 via Rooms
    Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS, TXT, CNAME) for a domain.
  • GET /v1/email-validate $0.036 via Rooms
    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,
  • GET /v1/market-sentiment $0.06 via Rooms
    Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge.

Automated check: 90/100

Last run 2026-10-12 17:55 UTC. What we measured, not a guarantee.

  • 10/10Every URL is https.
  • 40/40An unpaid request to api.kadec0.xyz answered 402 with complete x402 payment requirements ($0.05 on eip155:8453).
  • 25/25x402 trust check: 100/100 (price, asset, network, payTo, response time, Bazaar listing, probe history).
  • 10/10Has a homepage or documentation link.
  • 5/5Answered in 554 ms.
  • 0/10Not claimed with a domain proof yet.