api.x402node.dev · 403 listed services · provider site
Liquid staking and restaking token rates: APR, TVL and pool for major LSTs (stETH, rETH, cbETH, sfrxETH, wbETH, osETH and more) aggregated from DeFiLlama yields. Lets an agent compare staking yields across protocols in o...
Live spot prices for multiple crypto symbols in a single call (BTC, ETH, SOL and more) - one request instead of N for agents monitoring a portfolio or watchlist, real-time data that changes every second. batch prices, mu...
Profile any address on five EVM chains: contract or EOA detection, bytecode size, transaction nonce and native balance. address type, contract detection, is contract or wallet, address profile, eoa check, onchain identit...
AES encryption, AES-256-GCM, symmetric encryption, authenticated encryption, data encryption, secure encryption, cipher, encrypt string. Encrypt plaintext using AES-256-GCM with a 32-byte key. Returns IV, ciphertext, and...
Build a counterparty interaction graph for an address from on-chain transfers - ranks who it sends to and receives from, flagging bidirectional links for cluster and AML analysis, on Base. counterparty graph, address rel...
Fetch the verified ABI of a smart contract with function and event signatures across multiple EVM chains - required for agents to correctly encode contract calls, which LLMs cannot retrieve live. contract abi, get abi, c...
One-call perpetual dashboard for a coin: funding rate (annualized), open interest, mark price, spot index and perp premium, aggregated from OKX. Gives an agent the full derivatives picture for a trade decision in a singl...
Cross-validated token price aggregated from multiple independent sources (Moralis, DefiLlama) with spread and a reliability rating that flags manipulation or illiquidity risk - protects trading agents from acting on a si...
Time series of a token USD price over a recent window, by chain and contract address or coingecko id, at a chosen interval. For charts, trend and volatility analysis. Live price series. price chart, price history series,...
Check whether a wallet holds or has claimed a specific airdrop/token contract balance on EVM chains, with symbol and formatted amount. airdrop check, claim eligibility, token balance check, airdrop claimed, wallet holdin...
ERC20 token metadata lookup on Base or Ethereum, returns name, symbol, decimals and total supply for a token contract address. token metadata, erc20 info, token symbol lookup, token decimals, total supply, contract metad...
Cross-chain bridge quote: best route, expected received amount, fees, gas and duration to move a token between EVM chains, aggregated across bridges via LI.FI. Lets an agent compare bridging cost and time without integra...
Query Open Source Vulnerabilities (OSV) database for known CVEs in an NPM package. Returns vulnerability list with severity, summary, affected version ranges, fix versions, references. Use ?package=react and version=18.2...
Realized profit and loss and cost basis for an ERC20 token in a wallet on Base, computed from on-chain DEX trades against a quote asset (USDC by default). Returns average buy and sell price, realized PnL, remaining posit...
Business days calculator, working days between dates, weekdays counter, exclude weekends, workday count, business day arithmetic. Count business days (Mon-Fri) between two dates, separating weekend days. No holiday data,...
Look up arXiv preprint metadata. Returns title, authors, abstract, publish/update dates, categories, PDF URL, DOI, comments, journal ref. Use ?id=1706.03762 (with or without version). Built for AI agents doing ML/physics...
Verified contract metadata by address and chain: contract name, compiler version, optimization, license, and proxy with implementation address, from a block explorer behind an API key. Does not return full source. contra...
Live perpetual futures funding rate for any crypto symbol from OKX, with annualized rate, next funding time and long/short bias interpretation - real-time market data absent from LLM training. funding rate, perpetual fun...
pdf metadata, pdf info, pdf properties, pdf author, pdf title, pdf creation date, pdf page count, pdf version, pdf creator, pdf producer, pdf document info. Extract PDF metadata only, no body parsing, fast and cheap. Ret...
Comprehensive domain reputation report combining RDAP (modern WHOIS), DNS records, email security (SPF/DKIM/DMARC), SSL certificate inspection, and domain age. Returns risk_summary (low/medium/high) and specific risk_rea...
Relative time formatter, time ago, X minutes ago, in 2 hours, human readable time, fuzzy time, relative datetime, social media timestamps. Format a datetime as relative to now or another base (e.g. '3 hours ago', 'in 2 d...
ssl certificate checker, SSL certificate validator, check SSL certificate, SSL certificate expiration, HTTPS certificate check, SSL chain analyzer. Get full TLS handshake details for any domain: issuer, subject, SANs, va...
Timezone lookup for a coordinate via timeapi.io. Returns IANA timezone, current local time, UTC offset, DST status. Use ?lat=37.78 and lng=-122.42. Built for AI agents scheduling across regions. Accepts payment on Base o...
Percentage calculator, percent of, percent change, percent increase decrease, what percentage, tip calculator, discount calculator, markup, margin. Compute percent operations: X percent of Y, what percent X is of Y, perc...
Estimate the USD cost of a transaction (transfer, ERC20 transfer, approve, swap, NFT mint) on Base/Ethereum/Arbitrum/Optimism/Polygon from live gas price and native token price - lets agents decide whether an action is w...
Extract OpenGraph (og:title, og:image, og:description, og:type) + Twitter Card meta + basic <title>/<meta>/canonical from any URL. Built for AI agents generating shareable previews, understanding link content, and conten...
Base32 encoder/decoder, RFC 4648, Crockford, case-insensitive, DNS, TOTP secret, 2FA key encoding, human-readable base32. Encode binary or text to/from Base32. Accepts payment on Base or Solana — either network works.
Live spot ticker for any crypto symbol from OKX - last price, 24h high/low/volume/change and bid/ask, real-time market data absent from LLM training. crypto ticker, spot price, live price, 24h volume, bid ask, market dat...
Format any DOI into a styled citation (apa, mla, chicago, ieee, harvard, vancouver). Returns plain-text bibliography string. Use ?doi=10.1038/nature12373 and style=apa. Built for AI agents producing draft references. Acc...
List the ERC20 tokens an address holds on Base with symbol, decimals and formatted balance for each nonzero position. wallet tokens, token holdings, wallet portfolio, what tokens does this address hold, base wallet scan...
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