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, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://api.kadec0.xyz/v1/serp' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://api.kadec0.xyz/v1/serp'
Endpoint: https://api.kadec0.xyz/v1/serp. Operated by api.kadec0.xyz, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
Author and researcher profile search. An author name returns matching researchers with current affiliation, publication count, total citations, h-index and i10-…
US congressional stock trades. Stock transactions disclosed by members of the House and Senate under the STOCK Act — politician, ticker, amount, and date.
CVE vulnerability lookup. Security vulnerability and advisory records from NIST NVD and GitHub Security Advisories — CVSS score, severity, CWEs, and references.
DeFi TVL and protocol data. Total-value-locked for DeFi protocols and chains via DefiLlama — TVL, category, chains, and change.
DNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflare, Quad9, OpenDNS) to spot propagation lag or split-horizon answers.
Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS, TXT, CNAME) for a domain.
Email validation for lead lists and signup forms: RFC syntax check, live MX record lookup with the actual mail hosts, disposable-domain detection (8k+ known thr…
Company domain enrichment. Firmographics, tech-stack detection, social profiles, and metadata for a company domain — a keyless one-call enrichment gateway.
FDA recalls and adverse events. Drug, device, and food recall and adverse-event records from openFDA with classification, recalling firm, and reason.
Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.
GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API.
Hacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts, and author for tech and startup news.