Agent Margin Router

One-call wallet overview for autonomous agents: native balance, ERC-20 balances (default stablecoins + WETH, or any contracts you pass), current gas price, tx count, contract check and USD values incl. total – bundles what would otherwise be 5+ RPC calls. Base, Ethereum, BSC, Polygon, Arbitrum, Optimism. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Search arXiv preprints: returns id, title, authors, abstract, categories, published/updated dates and PDF links, sortable by relevance or date, optionally filtered by category (e.g. cs.AI). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Best-price router: queries several independent gas-price sources in parallel, returns the cheapest quote and charges a configurable share of the savings (average - best) as commission. Response includes the full breakdown (best_price, average_price, savings_gross, provision, user_pays) for Base, Ethereum, Arbitrum, Optimism and Polygon. No API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Smart-contract metadata from Blockscout for Base, Ethereum, Optimism or Arbitrum: verification status, name, compiler, proxy/implementation, creator, creation tx, token details and function/event names. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Historical OHLCV candles for any major crypto pair (Binance, Coinbase fallback): intervals 1m-1w, up to 500 candles, with period summary (high, low, volume, change %). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Fiat currency conversion with ECB reference rates (30+ currencies): amount, source currency, one or many targets. Returns rates, converted amounts and rate date. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Total value locked of a DeFi protocol (by DefiLlama slug: TVL, 1d/7d change, market cap, mcap/TVL ratio, TVL per chain, category) or of a whole chain (TVL, native token, protocol count, top-10 protocols). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Live DeFi pool yields (APY, TVL, stablecoin flag) across 100+ chains and protocols from DefiLlama. Filter by chain, asset, project, minimum TVL; sorted by APY. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Live DEX price, 24h change, volume and liquidity for any on-chain token (long-tail tokens not listed on CEXs) by contract address or symbol on Base, Ethereum, Arbitrum, Optimism, Polygon, BSC, Avalanche or Solana, with the top liquidity pairs per DEX (DexScreener). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Resolve any DNS record type (A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA, PTR) over DNS-over-HTTPS with TTLs and DNSSEC validation flag. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

DNS records (A, AAAA, MX, NS, TXT, CNAME, SOA, CAA) via DNS-over-HTTPS plus RDAP/WHOIS registration data (registrar, created/expires, status, nameservers, DNSSEC). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Domain registration data via RDAP (the WHOIS successor): registered flag, registrar, status, registration/expiry events, nameservers and DNSSEC – for availability checks and due diligence. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Validate an email address: RFC syntax, MX/A records via DNS-over-HTTPS, disposable and free-provider detection, role-account flag, deliverability score and verdict. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Resolve an ENS name to its Ethereum address plus text records (url, com.twitter, avatar, ...) via on-chain calls. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Balances of up to 20 arbitrary ERC-20 tokens for one wallet in a single Multicall3 round-trip: raw and decimal-formatted balance, decimals and symbol per token, on Base, Ethereum, BSC, Polygon, Arbitrum or Optimism. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Clean page extraction from any public URL: title, meta description, main text, JSON-LD, language. Optional `schema` keeps only the listed top-level keys. Apify (JS-rendered) with direct-fetch fallback. Pay per call with USDC or USDT on Base via x402 – no API key, no signup. 3 free calls per wallet.

Crypto market sentiment: the daily Fear & Greed index (0-100) with classification, 1d/7d change and up to 90 days of history from alternative.me. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Find the RSS/Atom feed URLs for a website from its HTML link tags, with a common-path fallback (/feed, /rss.xml, ...). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Live EIP-1559 gas fees (slow/standard/fast tiers) plus USD cost per transaction type (transfer, ERC-20 transfer, swap, NFT mint) for Base, Ethereum, Arbitrum, Optimism and Polygon. Aggregated from public RPC nodes – no API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

IP geolocation for IPv4/IPv6: country, region, city, coordinates, timezone, ASN, ISP/org, EU flag, private-range detection. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Turn a place name or address into coordinates, bounding box, address parts and OSM type using OpenStreetMap Nominatim (ODbL); cached 24h. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

One-call overview of any public GitHub repository: description, stars, forks, open issues, primary language and language split (%), topics, license, default branch, README excerpt and the 5 most recent commits. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Compute cryptographic hash digests (MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512) of any text. Key-less, local computation. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Free. Returns AMR service status, provider health and cache metrics.

Search Hacker News stories and comments via the Algolia HN API: title, URL, author, points, comment count, timestamp and HN discussion link; sort by relevance or date, optional tag filter (story, comment, ask_hn, show_hn). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Official public holidays for a country and year via Nager.Date (key-less): date, local + English name, whether it is nationwide, and sub-region counties. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Convert any public web page into clean, LLM-ready Markdown: main content only (boilerplate, nav and ads removed), headings, lists, tables and optional links/images preserved. Trafilatura extraction with markdownify fallback, SSRF-guarded fetch, up to 3 MB HTML. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Cross-exchange crypto spread from live tickers: gross spread, fees, modelled slippage, transfer cost and net edge in bps for a given trade size. Ticker/volume based (no full order book). Pay per call with USDC or USDT on Base via x402 – no API key, no signup. 3 free calls per wallet.

Convert or transcode a public audio/video/image file via a self-hosted FFmpeg container: pass a source URL and a target format (mp3, mp4, webm, wav, png, …) and receive a public output URL. Pay per call with USDC or USDT on Base via x402 – no API key, no signup. 3 free calls per wallet.

Structured metadata for any public page in one call: title, meta description/keywords, canonical URL, HTML lang, charset, favicon (absolute URL) and the FULL OpenGraph (all og:*) and Twitter-Card (all twitter:*) tag sets. Ideal for link previews / unfurling and agent research. SSRF-guarded. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Global news article search across 65+ languages via the GDELT DOC 2.0 API: title, URL, source domain, publication time, language and country per article, with look-back window (e.g. 24h, 7d) and language filter. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

npm package intelligence: latest version, license, repository, maintainers, dependency count, publish dates and weekly downloads – ideal for dependency vetting by coding agents. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Free. Returns the x402 payment requirements (price, USDC/USDT contract, pay-to wallet, network) for a given tool so an agent can construct an x402 payment.

Extract clean text (per page + full) and metadata from any public PDF URL up to 25 MB / 200 pages. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

PyPI project intelligence: latest version, summary, license, author, project URLs, Python requirement, declared dependencies, release count and last release date. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Generate a QR code from any text or URL and return it as a scalable SVG image plus a data-URI. Pure key-less generation, no third-party service. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Search Reddit posts site-wide or within one subreddit: title, URL, subreddit, author, score, upvote ratio, comment count, timestamp and the first 500 characters of the post text; sort by relevance, hot, new, top or comments with a time filter. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Answer 'may this user-agent crawl this URL?' by fetching and parsing the site's robots.txt: allowed flag, crawl-delay, request-rate and declared sitemaps. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Fetch and parse any RSS 2.0 or Atom feed into clean JSON: title, link, published date, author, summary, optional full text content and categories per item. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

On-page SEO audit of any URL: title, meta description, canonical, headings, images without alt, links, Open Graph, structured data, robots.txt/sitemap, prioritized issues and a 0-100 score with grade. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Parse a sitemap into the real URL list: accepts a direct sitemap.xml, a <sitemapindex> (recursed, bounded) or a site root (robots.txt Sitemap: lines, then /sitemap.xml as fallback). Returns each URL with lastmod, changefreq and priority. SSRF-guarded. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Readability and text statistics for raw text or a fetched page: word/sentence/syllable counts, Flesch Reading Ease, Flesch-Kincaid grade, and reading/speaking time. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Current local time, UTC offset, DST status and abbreviation for any IANA timezone name, or resolve a place name to its timezone and local time. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Multi-venue median spot price for any major crypto asset (Binance, Coinbase, Kraken, CoinGecko) with min/max, deviation and confidence score – one call instead of four. No API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Status of any EVM transaction on Base, Ethereum, BSC, Polygon, Arbitrum or Optimism: success/failed/pending, block number, confirmations, gas used, effective gas price, fee, from/to/value and all ERC-20 Transfer events decoded from the receipt logs (contract, symbol, decimals, amount). Public JSON-RPC nodes with fallback. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Health check for any public URL: HTTP status, full redirect chain, response time, content type, SSL certificate validity/expiry/issuer and a security-header audit (HSTS, CSP, X-Frame-Options, …) with score. SSRF-guarded (private/internal targets are rejected). Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Generate one or more RFC 4122 UUIDs (random v4, or deterministic v5 from a namespace and name). Key-less, local generation. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Native + stablecoin balances (ETH, USDC, USDT, DAI, WETH) of any EVM wallet with USD valuation, read directly from public RPC nodes on Base, Ethereum, Arbitrum, Optimism or Polygon. No API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Current conditions plus a daily forecast (up to 16 days) for any place name or lat/lon via Open-Meteo (key-less, CC BY 4.0); temperature in °C or °F, cached 30 min. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Mini crawler: fetches a start page and follows same-domain links breadth-first (max 10 pages), returning clean LLM-ready Markdown, title, word count and discovered links per page; honours robots.txt by default. SSRF-guarded. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Live web search results (title, URL, domain, snippet) for any query, key-less, region-aware. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Clean article summary from Wikipedia in any language: title, short description, extract (capped), canonical URL, thumbnail and coordinates; falls back to search when the title is fuzzy. Content CC BY-SA 4.0. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

Fetch the transcript of a YouTube video (manual or auto-generated captions) as timestamped segments plus full text, with language preference and English fallback. Accepts a video id or any YouTube URL. No API key, no download. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.