Hugen

Get the next upcoming Japanese FX gotobi day and days until it. Accounts for Japanese public holidays.

Check if today is a Japanese FX gotobi day (五十日). Gotobi days = 5th, 10th, 15th, 20th, 25th, last day of month. Non-business days (weekends + Japanese public holidays) shift to preceding business day.

List all chains supported by LI.FI bridge aggregator.

List all bridge protocols and DEX aggregators supported by LI.FI.

List all blockchain networks supported by GoPlus security checks.

Get DEX trading volume overview — total and per-protocol 24h volume.

List all DeFi protocols tracked by DeFi Llama with TVL, category, and chain info.

Get stablecoin distribution by chain — total circulating USD on each network.

Get stablecoin market data — circulating supply, peg type, and chain distribution.

Find x402 pay-per-call APIs — 2,400 verified entries across 24 categories (DeFi, Weather, AI/LLM, Security, Finance/FX, Content, Domain, Visual, Intelligence, etc). Quality-scored, relevance-ranked with brokerable flag. No setup needed. Accepts USDC payments on Base and Solana

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 requires weekly updates from multiple sources. Accepts USDC payments on Base and Solana

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 setup needed. Accepts USDC payments on Base and Solana

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. Returns a 0-1 confidence score with detailed per-check results. POST method protects email addresses from access logs. No API keys, no multiple service integrations needed. Accepts USDC payments on Base and Solana

Get real-time Best Bid/Ask for ALL available FX pairs in a single call. Multi-source aggregated from multiple institutional LPs with 62-88% spread improvement. Returns 14 FX pairs including majors, crosses, and XAUUSD gold. Each pair includes quality metadata and spread improvement vs single source. AI agent API for portfolio dashboards, multi-pair monitoring, and FX market overview. Accepts USDC payments on Base and Solana

Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. 62-88% tighter spreads than any single source. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 14 FX pairs including EURUSD, USDJPY, GBPUSD, AUDUSD, AUDNZD, and XAUUSD. AI agent API for forex trading signals, portfolio valuation, price comparison, and arbitrage detection. Accepts USDC payments on Base and Solana

List all available FX symbols with their current quality state and source count. AI agent API for discovering available instruments before subscribing to tick data. Accepts USDC payments on Base and Solana

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, word count, language, and reading time. No headless browser or scraping library needed. Accepts USDC payments on Base and Solana

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 on Base and Solana

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 scraping setup needed — one call returns structured JSON. Accepts USDC payments on Base and Solana

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 needed. Accepts USDC payments on Base and Solana

Check token approval security risks — detect unlimited allowances, suspicious spender contracts, and high-risk approval targets. Essential for wallet hygiene. No API keys needed. Accepts USDC payments on Base and Solana

Get multiple cross-chain bridge routes with advanced options. Returns ranked routes by cost, speed, and reliability. Premium endpoint ($0.01).

Track cross-chain bridge transaction status — real-time monitoring of sending chain confirmation, bridge processing, and receiving chain settlement. Supports all 20+ bridge protocols. No API keys needed. Accepts USDC payments on Base and Solana

List all tokens available for cross-chain bridging on a specific chain — token addresses, symbols, decimals, and bridge compatibility. Filter by chain key. Accepts USDC payments on Base and Solana

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 needed. Accepts USDC payments on Base and Solana

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

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

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 needed. Accepts USDC payments on Base and Solana

NFT contract security audit — detect privileged minting/burning, proxy upgradability, restricted approval mechanisms, self-destruct risks, and hidden transfer fees. Covers ERC-721 and ERC-1155 on any EVM chain. No API keys needed. Accepts USDC payments on Base and Solana

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. No API keys needed. Accepts USDC payments on Base and Solana

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

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

Rug pull risk detection — analyze ownership concentration, renounced vs active admin keys, proxy upgrade patterns, hidden mint functions, and liquidity lock status. Multi-factor risk scoring across code, ownership, and on-chain behavior. No API keys needed. Accepts USDC payments on Base and Solana

Simulate an EVM transaction before execution. Returns gas estimate, balance changes, and potential risks. Premium endpoint ($0.01).

Token security audit on any EVM chain — detect honeypots, hidden buy/sell taxes, proxy contracts, mintable supply, blacklist functions, and holder concentration risks. Covers Ethereum, BSC, Polygon, Arbitrum, Base, and 20+ chains. No API keys or rate limit management needed. Accepts USDC payments on Base and 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 needed. Accepts USDC payments on Base and Solana

Current Total Value Locked (TVL) for any DeFi protocol — real-time aggregate across all deployed chains. Accepts USDC payments on Base and Solana

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 call replaces 3 separate resolver queries + result comparison. Accepts USDC payments on Base and Solana

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-By headers. A-F security grade. Accepts USDC payments on Base and Solana

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 USDC payments on Base and Solana

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 needed. Accepts USDC payments on Base and Solana

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 included. Accepts USDC payments on Base and Solana

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 maintenance needed. Accepts USDC payments on Base and Solana

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 error resilience for TLD-specific parsing quirks. No WHOIS library setup or TLD-specific parsing needed. Accepts USDC payments on Base and Solana

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 holiday law knowledge through 2099. Accepts USDC payments on Base and Solana

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 2099 with substitute holiday rules. Accepts USDC payments on Base and Solana

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

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 for FX trading session validation and holiday-aware scheduling. Accepts USDC payments on Base and Solana

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 requires weekly updates from multiple sources. Accepts USDC payments on Base and Solana

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. Returns a 0-1 confidence score with detailed per-check results. POST method protects email addresses from access logs. No API keys, no multiple service integrations needed. Accepts USDC payments on Base and Solana

Search ArXiv for academic papers and preprints in AI, machine learning, CS, and mathematics. AI agent API for scientific research. Accepts USDC payments on Base and Solana

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

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

Get GitHub repository details — stars, forks, contributors, releases, and license info. AI agent API for open source intelligence. Accepts USDC payments on Base and Solana

Search GitLab for public projects — enterprise open source and DevOps tools. AI agent API for competitive intelligence. Accepts USDC payments on Base and Solana

Search Hashnode for technical blog posts, tutorials, and developer insights. AI agent API for content research and trend monitoring. Accepts USDC payments on Base and Solana

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

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

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

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

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

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. Accepts USDC payments on Base and Solana

Search Semantic Scholar — 200M+ academic papers with citation graph. AI agent API for literature review and research intelligence. Accepts USDC payments on Base and Solana

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

Search x402 Bazaar for AI agent APIs with micropayment access. Discover x402-enabled services and developer tools. Accepts USDC payments on Base and Solana