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Card snapshot
agent-margin-router-production.up.railway.app
·
2026-09-11 22:30:45 UTC
·
f427b88a3113ae5b252d38e01dc1d80e4dcd3475946d0e256fb9d844811c33ad
This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.
{
"name": "Agent Margin Router",
"description": "Pay-per-call data & web tools for AI agents. x402 micropayments in USDC or USDT on Base (eip155:8453), $0.01\u2013$0.05 per call, 3 free calls per wallet, no API key. Payment is a signed EIP-3009 authorization capped at the quoted amount \u2014 never send private keys.",
"url": "https://agent-margin-router-production.up.railway.app",
"version": "0.1.0",
"provider": {
"organization": "NovaNest",
"url": "https://agentmarginrouter.com/docs"
},
"documentationUrl": "https://agentmarginrouter.com/docs",
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false
},
"authentication": {
"schemes": [
"x402"
],
"credentials": "https://agent-margin-router-production.up.railway.app/.well-known/x402"
},
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"skills": [
{
"id": "extract_clean",
"name": "Extract Clean",
"description": "Structured JSON extraction from any public URL (HTML, PDF, JS-rendered pages). Multi-provider routing with license-aware caching. Pay per call with USDC or USDT on Base via x402 \u2013 no API key, no signup. 3 free calls per wallet.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/extract-clean"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.02"
},
{
"id": "market_spread",
"name": "Market Spread",
"description": "Live cross-exchange crypto spread with slippage-adjusted net edge for a given trade size. Covers major CEX venues. Pay per call with USDC or USDT on Base via x402 \u2013 no API key, no signup. 3 free calls per wallet.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/market-spread"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.05"
},
{
"id": "gas_fees",
"name": "Gas Fees",
"description": "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 \u2013 no API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/gas-fees"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "token_price",
"name": "Token Price",
"description": "Multi-venue median spot price for any major crypto asset (Binance, Coinbase, Kraken, CoinGecko) with min/max, deviation and confidence score \u2013 one call instead of four. No API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/token-price"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "wallet_balance",
"name": "Wallet Balance",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/wallet-balance"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "web_search",
"name": "Web Search",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/web-search"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.02"
},
{
"id": "email_validate",
"name": "Email Validate",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/email-validate"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "dns_whois",
"name": "DNS + WHOIS",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/dns-whois"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "pdf_text",
"name": "PDF Text",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/pdf-text"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.02"
},
{
"id": "seo_check",
"name": "SEO Check",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/seo-check"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.03"
},
{
"id": "defi_yields",
"name": "DeFi Yields",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/defi-yields"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.02"
},
{
"id": "currency_convert",
"name": "Currency Convert",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/currency-convert"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "geo_ip",
"name": "Geo IP",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/geo-ip"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "rss_feed",
"name": "RSS Feed",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/rss-feed"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
},
{
"id": "crypto_ohlcv",
"name": "Crypto OHLCV",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/crypto-ohlcv"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.02"
},
{
"id": "ens_resolve",
"name": "ENS Resolve",
"description": "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.",
"tags": [
"x402",
"pay-per-call",
"data"
],
"examples": [
"POST https://agent-margin-router-production.up.railway.app/ens-resolve"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"x-price-usd": "0.01"
}
],
"x-mcp": {
"url": "https://agent-margin-router-production.up.railway.app/mcp",
"transport": "streamable-http",
"manifest": "https://agent-margin-router-production.up.railway.app/.well-known/mcp.json"
},
"x-openapi": "https://agent-margin-router-production.up.railway.app/openapi.json",
"x-llms-txt": "https://agent-margin-router-production.up.railway.app/llms.txt"
}