defi.hugen.tokyo
Solana · payout 4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z
Answers HTTP 402
4 of 9 probed endpoints answered HTTP 402 with a parseable payment payload
checked 2026-10-02
Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.
x402-style payments, last 7 days (Base)
unknown. not measured on this chain yet
no reading date
Method: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.
Delivery is not measured. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.
Chains · one payout address, each chain read on its own
| Chain | Payout address | Listings | Answers 402 | x402-style payments |
|---|---|---|---|---|
| Solana | 4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z | 54 | 4 of 9 probed endpoints answered HTTP 402 with a parseable payment payload 2026-10-02 | unknown. not measured on this chain yet |
- Hosts
- content.hugen.tokyo, defi.hugen.tokyo, domain.hugen.tokyo, gotobi.hugen.tokyo, intel.hugen.tokyo, mailcheck.hugen.tokyo, scout.hugen.tokyo, visual.hugen.tokyo, weather.hugen.tokyo
- Listings
- 54 registered in the x402 catalogue
- Price range
- $0.010 to $0.250 per call, as registered
- Categories (auto)
- Identity (10), Onchain data (10), Other (10), Web data (10), Security (4), Market data (3), Media (3), Developer tools (2), Search (2)
- First seen
- 2026-10-05 · last seen 2026-10-05
Claim this merchant
Sign a message from the payout address 4du4Afkj…boaS5Z to claim this page. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.
The payment ledger is not available on Solana yet.
Registrations · 54
| Endpoint | Chain | Category | Price | Catalogue date |
|---|---|---|---|---|
https://content.hugen.tokyo/content/extract Extract clean, readable text from any web page — removes navigation, ads, scripts, and boilerplate. Dual-engine extraction with JS-rendered page fallback for SPAs and dynamic content. Returns content with title, author,… | Solana | Web data | $0.01 | 2026-09-15 |
https://content.hugen.tokyo/content/links Extract and classify all hyperlinks from a web page — internal vs external using eTLD+1 domain matching. Returns up to 200 internal and 200 external links with counts. No web crawler setup needed. Accepts USDC payments … | Solana | Web data | $0.01 | 2026-10-05 |
https://content.hugen.tokyo/content/metadata Extract structured metadata from any web page — title, author, publication date, Open Graph tags, canonical URL, language, word count, reading time. Handles HTML meta tags, og: tags, and article:published_time. No web s… | Solana | Web data | $0.01 | 2026-09-15 |
https://defi.hugen.tokyo/defi/address Address security check — detect malicious wallets, known phishing addresses, scam contracts, and blacklisted entities across all EVM chains. Chain-independent lookup against multi-chain security databases. No API keys n… | Solana | Onchain data | $0.01 | 2026-10-04 |
https://defi.hugen.tokyo/defi/bridge/chains List all blockchain networks supported for cross-chain bridging — 30+ chains with chain IDs, names, and native token info. Accepts USDC payments on Base and Solana | Solana | Onchain data | $0.01 | 2026-09-29 |
https://defi.hugen.tokyo/defi/chains List all blockchain networks supported by this API's security scanning — Ethereum, BSC, Polygon, Arbitrum, Base, Optimism, Avalanche, Fantom, Solana, and 20+ chains with chain IDs and names. Accepts USDC payments on Bas… | Solana | Onchain data | $0.01 | 2026-10-02 |
https://defi.hugen.tokyo/defi/dapp dApp security audit by URL — check smart contract audit status, trust list inclusion, vulnerability history, and user-reported risks. Covers major DeFi protocols, NFT marketplaces, and web3 applications. No API keys nee… | Solana | Onchain data | $0.01 | 2026-10-04 |
https://defi.hugen.tokyo/defi/fees DeFi protocol fee and revenue data — daily/weekly totals, revenue breakdowns, and protocol earnings. Essential for protocol valuation. Accepts USDC payments on Base and Solana | Solana | Onchain data | $0.01 | 2026-09-29 |
https://defi.hugen.tokyo/defi/gas Real-time gas prices across multiple EVM chains in one batch request — standard, fast, and instant tiers. No per-chain API setup needed. Accepts USDC payments on Base and Solana | Solana | Onchain data | $0.01 | 2026-09-29 |
https://defi.hugen.tokyo/defi/malicious Check if a wallet is flagged as malicious — query multiple security databases for known scammers, exploit attackers, rug pull deployers, and sanctioned entities. Returns classification tag and risk level. No API keys ne… | Solana | Security | $0.01 | 2026-09-29 |
https://defi.hugen.tokyo/defi/phishing Check if a URL is a known crypto phishing or scam site — covers fake DEX frontends, wallet drainers, approval phishing pages, and counterfeit protocol clones. Real-time detection against threat intelligence databases. N… | Solana | Security | $0.01 | 2026-09-29 |
https://defi.hugen.tokyo/defi/price Token prices with chain:address format — supports batch queries (e.g., ethereum:0x..., bsc:0x...). Returns price, symbol, decimals, and confidence score. Accepts USDC payments on Base and Solana | Solana | Market data | $0.01 | 2026-10-01 |
https://defi.hugen.tokyo/defi/protocol DeFi protocol data — TVL breakdown by chain, category (Lending, DEX, Liquid Staking, Yield), token info, audit status, historical TVL trends. Covers 5,000+ protocols. Accepts USDC payments on Base and Solana | Solana | Onchain data | $0.01 | 2026-09-28 |
https://defi.hugen.tokyo/defi/stablecoins Stablecoin market data — circulating supply by peg type, chain distribution, market cap rankings, and issuer info for 100+ stablecoins. Accepts USDC payments on Base and Solana | Solana | Onchain data | $0.01 | 2026-09-28 |
https://defi.hugen.tokyo/defi/token/solana Token security audit on Solana — detect honeypots, freeze authority, mint authority abuse, and holder concentration risks. Full SPL token analysis including metadata verification and liquidity pool checks. No API keys n… | Solana | Security | $0.01 | 2026-09-22 |
https://defi.hugen.tokyo/defi/tvl Current Total Value Locked (TVL) for any DeFi protocol — real-time aggregate across all deployed chains. Accepts USDC payments on Base and Solana | Solana | Onchain data | $0.01 | 2026-10-01 |
https://domain.hugen.tokyo/domain/dns DNS lookup across 3 independent resolvers in parallel — A, AAAA, MX, TXT, NS, CNAME, SOA records. SPF mechanism parsing, DMARC policy extraction, resolver inconsistency detection (DNS hijacking/BGP leak signal). One cal… | Solana | Identity | $0.01 | 2026-10-02 |
https://domain.hugen.tokyo/domain/headers Security header audit — 10 headers checked: CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy, X-XSS-Protection, CORP, COEP, COOP. Information leakage detection via Server/X-Powered… | Solana | Developer tools | $0.01 | 2026-09-29 |
https://domain.hugen.tokyo/domain/redirect Redirect chain analysis — follows up to 10 hops (301/302/303/307/308) with per-hop timing, status codes, TLS status. Detects HTTPS-to-HTTP TLS downgrade, redirect loops, excessive chains. A-F grade. SSRF-safe. Accepts U… | Solana | Identity | $0.01 | 2026-09-29 |
https://domain.hugen.tokyo/domain/ssl SSL/TLS certificate analysis — issuer, SAN list, serial number, validity period, days until expiry. TLS 1.0/1.1/1.2/1.3 individual probing. Automated A-F security grade. No SSL library setup or certificate parsing neede… | Solana | Identity | $0.01 | 2026-09-29 |
https://domain.hugen.tokyo/domain/subdomains Subdomain discovery via certificate database — finds all subdomains with issued SSL certificates. Discovers API endpoints, staging servers, mail servers, and forgotten infrastructure. Deduplication and wildcard handling… | Solana | Identity | $0.01 | 2026-09-29 |
https://domain.hugen.tokyo/domain/tech Technology stack detection (1000+ signatures) — web servers, CMS, JS frameworks, CDN, analytics. Identifies Nginx, Apache, WordPress, Shopify, React, Vue, Next.js, Cloudflare, and hundreds more. No pattern database main… | Solana | Identity | $0.01 | 2026-09-29 |
https://domain.hugen.tokyo/domain/whois WHOIS registration lookup — registrar, creation/expiry/updated dates, domain age in days, name servers, DNSSEC, registrant country/org, EPP status codes. All TLDs (.com .net .org .io .dev .ai ccTLDs gTLDs). Per-field er… | Solana | Identity | $0.01 | 2026-10-01 |
https://gotobi.hugen.tokyo/gotobi/dates Monthly gotobi calendar with all 6 dates (5th, 10th, 15th, 20th, 25th, last business day) and automatic weekend/holiday adjustments. No public database of adjusted gotobi dates exists — building one requires Japanese ho… | Solana | Other | $0.01 | 2026-09-29 |
https://gotobi.hugen.tokyo/gotobi/holidays Japanese public holidays for a given month — national holidays, substitute holidays (振替休日), and Golden Week. These holidays shift gotobi dates and close Tokyo markets, affecting JPY liquidity. Complete coverage through … | Solana | Other | $0.01 | 2026-09-29 |
https://gotobi.hugen.tokyo/gotobi/holidays/next Next upcoming Japanese public holiday with countdown — holiday name, exact date, and days until. Plan around Tokyo market closures and gotobi day shifts. Complete coverage through 2099. Accepts USDC payments on Base and… | Solana | Other | $0.01 | 2026-10-02 |
https://gotobi.hugen.tokyo/gotobi/holidays/today Is today a Japanese public holiday? Returns holiday name in Japanese and English. Uses JST timezone for accurate date determination. Covers all national holidays, substitute holidays, and special observances. Essential … | Solana | Market data | $0.01 | 2026-09-29 |
https://gotobi.hugen.tokyo/gotobi/next Next upcoming gotobi day with countdown — returns the exact date with Japanese public holiday adjustments applied. Essential for pre-positioning USDJPY trades ahead of the Tokyo fixing. No public gotobi calendar exists;… | Solana | Other | $0.01 | 2026-09-29 |
https://gotobi.hugen.tokyo/gotobi/today Is today a Japanese gotobi day? Gotobi (五十日: 5th, 10th, 15th, 20th, 25th, last business day) drive predictable USDJPY buying pressure before the 9:55 JST Nakane fixing. Weekend and holiday adjustments applied automatica… | Solana | Other | $0.01 | 2026-09-29 |
https://mailcheck.hugen.tokyo/mailcheck/disposable Instant disposable email detection — checks against 5,000+ known temporary email domains (Guerrilla Mail, Mailinator, Temp Mail, 10MinuteMail, and more). Returns boolean result. Maintaining this blocklist yourself requi… | Solana | Identity | $0.01 | 2026-09-29 |
https://mailcheck.hugen.tokyo/mailcheck/mx MX record lookup for any domain — returns whether mail servers exist and their hostnames sorted by priority. Verify email deliverability before sending. Supports all TLDs including ccTLDs and new gTLDs. No DNS library s… | Solana | Identity | $0.01 | 2026-09-29 |
https://mailcheck.hugen.tokyo/mailcheck/validate 6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), and typo suggestion. … | Solana | Identity | $0.01 | 2026-10-02 |
https://scout.hugen.tokyo/scout/awesome Curated x402 ecosystem directory — 277 human-reviewed projects: SDKs, production APIs, facilitators, agent frameworks, tools. Spam-filtered alternative to Bazaar (13K entries, 85% spam). Search by keyword or browse by c… | Solana | Other | $0.01 | 2026-09-29 |
https://scout.hugen.tokyo/scout/devto Search Dev.to for developer articles, tutorials, and technical blog posts. AI agent API for developer content and trend research. Accepts USDC payments on Base and Solana | Solana | Web data | $0.01 | 2026-09-29 |
https://scout.hugen.tokyo/scout/github Search GitHub repositories — discover open source projects, developer tools, and trending repos. AI agent API for competitive intelligence. Accepts USDC payments on Base and Solana | Solana | Developer tools | $0.01 | 2026-09-29 |
https://scout.hugen.tokyo/scout/hn Search Hacker News for tech news, startup funding, and developer discussions. AI agent API for market research and trend analysis. Accepts USDC payments on Base and Solana | Solana | Web data | $0.01 | 2026-09-29 |
https://scout.hugen.tokyo/scout/lobsters Search Lobste.rs for curated tech news and developer discussions. AI agent API for trend monitoring and community sentiment. Accepts USDC payments on Base and Solana | Solana | Web data | $0.01 | 2026-09-29 |
https://scout.hugen.tokyo/scout/npm Search npm package registry — find JavaScript and TypeScript libraries, frameworks, and developer tools. AI agent API for dependency research. Accepts USDC payments on Base and Solana | Solana | Security | $0.01 | 2026-09-29 |
https://scout.hugen.tokyo/scout/ph Search Product Hunt for new products, SaaS launches, and developer tools. AI agent API for market research and competitive intelligence. Accepts USDC payments on Base and Solana | Solana | Onchain data | $0.01 | 2026-09-29 |
https://scout.hugen.tokyo/scout/pypi Search PyPI for Python packages — find libraries, frameworks, and developer tools. AI agent API for Python ecosystem research. Accepts USDC payments on Base and Solana | Solana | Search | $0.01 | 2026-10-04 |
https://scout.hugen.tokyo/scout/report 14-source parallel intelligence report in one call — HN, GitHub, npm, PyPI, Dev.to, Hashnode, Lobsters, StackExchange, ArXiv, Semantic Scholar, Lemmy, GitLab. Best ROI on Bazaar. AI agent API for market research. Accept… | Solana | Other | $0.01 | 2026-10-05 |
https://scout.hugen.tokyo/scout/stackoverflow Search Stack Overflow for developer Q&A, solutions, and best practices. AI agent API for technical knowledge retrieval. Accepts USDC payments on Base and Solana | Solana | Search | $0.01 | 2026-09-30 |
https://weather.hugen.tokyo/weather/current Instant weather by city name — temperature, feels-like, humidity, wind speed, precipitation, and condition. Just pass a city name; geocoding, data fetching, and response structuring are handled in one call. Global cover… | Solana | Other | $0.01 | 2026-10-05 |
https://weather.hugen.tokyo/weather/forecast Daily weather forecast (1-7 days) by city name — max/min temperature, precipitation amount and probability, peak wind speed per day. Automatic geocoding from city name to coordinates. Structured JSON ready for immediate… | Solana | Other | $0.01 | 2026-09-29 |
https://content.hugen.tokyo/content/analyze Comprehensive AI content analysis — sentiment scoring (-1.0 to 1.0), topic classification, named entity extraction, content type detection (news/blog/docs/tutorial), and credibility assessment. Returns structured analys… | Solana | Web data | $0.02 | 2026-09-15 |
https://content.hugen.tokyo/content/summary AI-powered content summarization — extracts clean text from any URL then generates a concise 2-4 sentence summary, 3-5 key points, and named entity extraction (people, organizations, products, locations, events). Handle… | Solana | Web data | $0.02 | 2026-09-15 |
https://domain.hugen.tokyo/domain/full Complete domain intelligence in one call — WHOIS, multi-resolver DNS, SSL/TLS, tech stack, security headers, subdomain discovery, redirect chain. All 7 run in parallel with individual timeouts. Partial results on compon… | Solana | Identity | $0.02 | 2026-09-15 |
https://intel.hugen.tokyo/intel/token-report/lite Multi-source token due diligence — same aggregation as token-report (security checks, market data, liquidity analysis from 4+ sources) with weighted 0-100 risk scoring and red/green flags. No AI verdict prose — structur… | Solana | Market data | $0.02 | 2026-09-30 |
https://visual.hugen.tokyo/visual/parse Extract structured text, tables, and metadata from any PDF URL. Returns page-by-page text content, detected tables as JSON arrays, and document metadata (title, author, page count). No PDF library or OCR setup needed — … | Solana | Media | $0.02 | 2026-09-22 |
https://visual.hugen.tokyo/visual/pdf Render any URL into a clean A4 PDF with print-quality graphics. Auto-removes ads, cookie banners, and overlays. Returns base64-encoded PDF with metadata. No browser infrastructure or PDF library needed — pay per render.… | Solana | Media | $0.02 | 2026-09-22 |
Descriptions are the seller’s own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
Data CC-BY-4.0, attribution: data by satohub.ai. Collector run 2026-10-05. Appearing here is not an endorsement. Check an endpoint with the doctor.