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

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

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

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. Accepts USDC payments on Base and Solana

Simulate an EVM transaction before execution — preview gas costs, token balance changes, approval modifications, and detect sandwich attacks or unexpected transfers. Supports any EVM chain. Premium endpoint ($0.02). No API keys needed. Accepts USDC payments on Base and Solana

Current USD price of any token by chain and contract address (or coingecko id), with symbol and confidence, from a multi-source on-chain price oracle. Data an LLM cannot produce. Live token price by contract. token price, contract price, erc20 price, onchain price, defi price oracle

Get Channel3 price history for a canonical product.

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

Extract all links from markdown: inline, reference, autolinks, images. Returns array of {type, text, url, title}. Use url param or ?text=.... Built for AI agents link auditing, broken-link detection, sitemap crawling.

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

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

NBA championship odds gap: Polymarket vs Kalshi implied-probability divergence on the same 2026 NBA title outcomes, ranked by |gap|. Query: ?page=1-50&per_page=1-3. Sources: Polymarket Gamma + Kalshi public API + ESPN (all free, keyless).

Supply & borrow rates across Aave, Compound, Morpho, Spark

US ground stops and ground delay programs from FAA: airports with active ground stops or ground delays, reasons and average delay. Key for flight disruption monitoring. 全美地面停飞与地面延误：受影响机场及原因、平均延误。地上停止プログラム。Programas de retraso en tierra. 지상 정지 프로그램.

Peg health of a stablecoin: current price versus one dollar, deviation in basis points, and a status flag, plus peg mechanism. For depeg monitoring and risk. Live peg check. depeg monitor, stablecoin peg, peg deviation, stablecoin risk, peg status

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

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

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

Resolve a Channel3 website/domain and commission rate.

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