x402 census · sellers · api.kadec0.xyz · JSON
api.kadec0.xyz live
api.kadec0.xyz lists 42 x402 resources in cdp; 2 answered a valid 402 to an unpaid GET, 0 are dead; prices $0.005 to $0.10; on-chain 110 payers, 363 payments, $5.56 USDC; discovery files: manifest, openapi.
Listed resources
42
GET 42
Valid 402
2 / 2
verdict live
Dead
0
none
Prices
$0.005–$0.10
median $0.03; networks base
Payers on record
110
363 payments, $5.56 USDC, last 2026-09-30
Sampler share
100.0%
payments from monitor/indexer-shaped wallets
Discovery files on the host (checked 2026-09-30)
| File | Status | Detail |
|---|---|---|
| /.well-known/x402 | present | string-list, 43 entries |
| /openapi.json | present | 47 paths, 43 operations with x-payment-info, 43 declare a 402 response |
| /llms.txt | absent (HTTP 404) | |
| /.well-known/agent-card.json | absent (HTTP 404) |
On-chain settlement facts (public payTo addresses)
110 distinct paying wallets, 363 payments, $5.56 USDC between 2026-06-22 and 2026-09-30; 100.0% of payments came from sampler-shaped wallets. Source: forensics-2026-09-30.
payTo: 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Resources (42)
| Resource | Price | Network | Verdict | Catalogs | Description |
|---|---|---|---|---|---|
| GET /v1/serp | $0.05 | base | live | cdp | Web search results (SERP). Keyless web search returning ranked title, URL, and snippet fo… |
| GET /v1/geocode | $0.01 | base | live | cdp | Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude,… |
| GET /v1/papers | $0.02 | base | unprobed | cdp | Academic and scientific paper search API. Search research papers and scholarly literature… |
| GET /v1/scrape | $0.03 | base | unprobed | cdp | Scrape any web page to clean markdown. A keyless web scraper that converts a single URL i… |
| GET /v1/weather | $0.005 | base | unprobed | cdp | Weather forecast and air quality for any location worldwide. Returns current conditions p… |
| GET /v1/serp-read | $0.08 | base | unprobed | cdp | Web search plus page reading in one call: answer with sources. Runs a web search, scrapes… |
| GET /v1/cve | $0.01 | base | unprobed | cdp | CVE vulnerability lookup. Returns security vulnerability records by CVE id or keyword fro… |
| GET /v1/hackernews | $0.01 | base | unprobed | cdp | Hacker News feed. Top, new, and best front-page stories plus full-text story search — tit… |
| GET /v1/github | $0.02 | base | unprobed | cdp | GitHub data. Repository stats, user profiles, and code-search results (stars, forks, lang… |
| GET /v1/defi-tvl | $0.02 | base | unprobed | cdp | DeFi TVL for protocols and chains. Returns total value locked per DeFi protocol or per ch… |
| GET /v1/website-audit | $0.08 | base | unprobed | cdp | Instant website SEO audit. On-page SEO, performance, and accessibility snapshot for any U… |
| GET /v1/whois-bulk | $0.05 | base | unprobed | cdp | Bulk WHOIS lookup. Registrar, dates, and nameservers for up to 10 domains in a single bat… |
| GET /v1/email-validate | $0.03 | base | unprobed | cdp | Email validation and email list cleaning. Checks each email address for RFC syntax, a liv… |
| GET /v1/author-search | $0.02 | base | unprobed | cdp | Author and researcher profile search. An author name returns matching researchers with cu… |
| GET /v1/trending-coins | $0.01 | base | unprobed | cdp | Trending crypto coins. The coins most searched on CoinGecko right now, with rank, price, … |
| GET /v1/token-price | $0.01 | base | unprobed | cdp | Crypto token price and market data. Returns the live price of one or many tokens by coin … |
| GET /v1/domain-info | $0.02 | base | unprobed | cdp | Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full … |
| GET /v1/sec-edgar | $0.05 | base | unprobed | cdp | SEC filings full-text search. Searches SEC EDGAR filings - 10-K, 10-Q, 8-K, and every oth… |
| GET /v1/serp-batch | $0.10 | base | unprobed | cdp | Bulk web search: up to 5 search queries in a single call, each returning ranked title, UR… |
| GET /v1/market-sentiment | $0.05 | base | unprobed | cdp | Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypt… |
| GET /v1/gas-oracle | $0.01 | base | unprobed | cdp | Ethereum gas price oracle. Returns the current Ethereum gas price as an EIP-1559 base fee… |
| GET /v1/yield-pools | $0.03 | base | unprobed | cdp | DeFi yield and APY across pools. Returns the top yield-farming pools via DefiLlama with c… |
| GET /v1/stablecoins | $0.02 | base | unprobed | cdp | Stablecoin supply data. Returns circulating supply for stablecoins broken down across cha… |
| GET /v1/related-papers | $0.03 | base | unprobed | cdp | Literature review and related-paper discovery. Given a seed paper (arXiv id, DOI, or Open… |
| GET /v1/paper-fulltext | $0.04 | base | unprobed | cdp | Full text and open-access PDF retrieval for a paper. Given an arXiv id, DOI, OpenAlex id,… |
| GET /v1/congress-trades | $0.05 | base | unprobed | cdp | US congressional stock trades. Stock transactions disclosed by members of the House and S… |
| GET /v1/stackoverflow | $0.01 | base | unprobed | cdp | Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer f… |
| GET /v1/fda | $0.02 | base | unprobed | cdp | FDA recalls and adverse events. Drug, device, and food recall and adverse-event records f… |
| GET /v1/paper-details | $0.03 | base | unprobed | cdp | Citation lookup and reference list for a paper. Given a DOI, arXiv id, OpenAlex id, or PM… |
| GET /v1/nutrition | $0.01 | base | unprobed | cdp | Food nutrition lookup. Calories, macros, and micronutrients for any food from the USDA Fo… |
| GET /v1/serp-multi | $0.05 | base | unprobed | cdp | Multi-engine web search (metasearch). One search query fanned out across 2-3 search engin… |
| GET /v1/permits | $0.03 | base | unprobed | cdp | Building permit records. Construction and building permits across Chicago, NYC, Seattle, … |
| GET /v1/smart-search | $0.02 | base | unprobed | cdp | Smart, auto-routed research paper search. A broad field term is grounded against the Open… |
| GET /v1/recalls | $0.02 | base | unprobed | cdp | Consumer product recalls. A normalized multi-agency recall feed spanning FDA, CPSC, and N… |
| GET /v1/topic-search | $0.02 | base | unprobed | cdp | Field and topic search for research papers. Give a broad field name or short phrase (like… |
| GET /v1/lit-review | $0.08 | base | unprobed | cdp | Literature review map in one call. Give a seed paper (DOI, arXiv id, OpenAlex id, or PMID… |
| GET /v1/dns-propagation | $0.03 | base | unprobed | cdp | DNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflar… |
| GET /v1/usgs-quakes | $0.005 | base | unprobed | cdp | Real-time earthquake feed. Recent seismic events from USGS with magnitude, location, dept… |
| GET /v1/related-queries | $0.03 | base | unprobed | cdp | Google Trends related queries for a keyword. Returns the searches people run alongside a … |
| GET /v1/trend | $0.05 | base | unprobed | cdp | Google Trends interest over time for a keyword. Returns Google Trends search interest as … |
| GET /v1/interest-by-region | $0.03 | base | unprobed | cdp | Google Trends interest by region for a keyword. Returns the subregional breakdown of Goog… |
| GET /v1/related-topics | $0.03 | base | unprobed | cdp | Google Trends related topics for a keyword. Returns the topics and named entities associa… |
Catalog rows: cdp 42. Listed since at least 2026-09-07; last catalog update 2026-09-30. CDP counters: 2,475 calls, 128 payer-rows in 30 days (catalog-reported).
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Paid report (x402)
GET https://bazaar.agentexchange.work/seller/api.kadec0.xyz/report.json re-probes up to 18 of these resources right now, re-fetches the manifest and returns the whole record for $0.05 USDC on Base. Unpaid requests answer 402 with the terms. Pricing.