Blockchain And Crypto x402 offerings

Get an ERC-20's name, symbol, decimals, total supply, holder count and USD rate in one call. An ERC-20 on Base in one call: name, symbol, decimals, total supply, USD price, liquidity and icon from DexScreener when the token trades. Query: ?address=0x…

Get ETH, USDC and up to ten ERC-20 balances of one address in a single call, human-readable. ETH plus USDC plus up to ten ERC-20 balances of one address in a single call, decimals resolved, amounts human-readable. Base mainnet. Query: ?address=0x…&tokens=0x…,0x…

Check that an x402 endpoint still returns a valid payment challenge, and read its price and recipient. Probe an x402 endpoint and report whether it still returns a valid payment challenge: HTTP status, challenge source (v2 header or legacy body), scheme, network, asset, payTo, amount in atomic units and in USDC, and a…

Get the latest Base block with its age in seconds, base fee and gas used. The latest Base block: number, hash, timestamp, age in seconds (so you know the node is not lagging), base fee, gas used. Public RPC, no key. Query: none.

Get a working HTTP/HTTPS proxy on a real French home line (Caribbean, Outremer Telecom) with 1 GB of traffic, as a key you use in curl -x, valid 30 days. Buy 1 GB of French West Indies residential proxy bandwidth for scraping and a…

Get an ERC-20 allowance with the owner's balance and a sufficiency verdict for the amount you plan to pull. ERC-20 allowance of a spender on an owner (USDC by default), with the owner's balance and, if you pass ?amount=, a verdict: i…

ENS name resolution in both directions: an .eth name to its address, or an address to its primary ENS name, with the avatar when set. Query: ?name=vitalik.eth or ?address=0xd8dA…

A paid Governed Machine Commerce service running on AgentPay, SAF-Authority's Core Engine Framework. Before spending, a software agent submits one declared transaction and receives an evidence-backed…

Pre-pay risk verdict (allow / warn / block) before an agent settles any x402 payment — checks payee validity, OFAC sanctions, price gouging, asset/network, and spend policy. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC.

Per-agent budget enforcement — track an agent's cumulative spend against a cap and block overspend. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC.

Convert BCH to USD at live price. Pass ?amount=1 for value in US Dollar. 比特币现金兑换美元换算。ビットコインキャッシュを米ドルに換算。Convertir Bitcoin Cash a dólar. 비트코인캐시를 달러로 환전. bch to usd, Bitcoin Cash convert. Accepts payment on Base or Solana — either network works.

Convert SHIB to USD at live price. Pass ?amount=1 for value in US Dollar. 柴犬币兑换美元换算。柴犬コインを米ドルに換算。Convertir Shiba Inu a dólar. 시바이누를 달러로 환전. shib to usd, Shiba Inu convert. Accepts payment on Base or Solana — either network works.

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 position and cost basis. Search terms: wallet PnL, realized gains, cost basis, token profit, crypto tax accounting, trade history. Accepts payment on Base or Solana — either network works.

Full wallet risk profile in one call: behavior classification + credit score (0-100) + labeled-counterparty exposure (last N days, default 7). Returns verdict (low_risk/medium_risk/high_risk/flagged), risk_score, primary_tag, red_flags (zero-history, sanctioned/mixer/scam), plus identity/credit/exposure detail. Replaces classify+score+exposure in one paid call. For AI agent due diligence and payment-routing risk gating. Accepts payment on Base or Solana — either network works.

Current USD price for any ERC20 token aggregated across DEXs and price sources via DefiLlama, with confidence score, on EVM chains. token price, dex price, erc20 usd price, defi token value, onchain price feed, swap rate, token quote, coingecko alternative Accepts payment on Base or Solana — either network works.

Live OHLCV candlestick data for any crypto symbol from OKX across timeframes (1m to 1w), with high/low/change summary - real-time price history absent from LLM training data. ohlcv, candlestick, candles, price history, kline, crypto chart data Accepts payment on Base or Solana — either network works.

Convert BTC to USD at live price. Pass ?amount=1 for value in US Dollar. 比特币兑换美元换算。ビットコインを米ドルに換算。Convertir Bitcoin a dólar. 비트코인를 달러로 환전. btc to usd, Bitcoin convert. Accepts payment on Base or Solana — either network works.

Ranks major coins by perpetual funding rate to surface the most bullish and most bearish perps right now. Aggregates OKX funding across the top liquid USDT perps and returns annualized rates, sorted. Live screener for funding arbitrage and crowded-positioning detection. funding rate screener, perp sentiment, most bullish perp, crowded longs Accepts payment on Base or Solana — either network works.

Convert BNB to USD at live price. Pass ?amount=1 for value in US Dollar. 币安币兑换美元换算。BNBを米ドルに換算。Convertir BNB a dólar. 바이낸스코인를 달러로 환전. bnb to usd, BNB convert. Accepts payment on Base or Solana — either network works.

Convert USD to JPY at live rate. Pass ?amount=100 for value in Japanese Yen. 美元兑换日元换算。米ドルを円に換算。Convertir dólar a yen. 달러를 엔로 환전. usd to jpy convert. Accepts payment on Base or Solana — either network works.

Live BTC to USD price (Bitcoin / US Dollar). Zero-param: GET returns current price. 比特币美元实时价格行情。ビットコイン/米ドル 価格。Precio Bitcoin dólar. 비트코인 달러 시세. btc usd, btc-usd, BTC price. Accepts payment on Base or Solana — either network works.

Live long/short account ratio for any crypto from OKX with history and crowding bias - real-time sentiment positioning data not in any LLM training set. long short ratio, long short, trader positioning, crowded trade, sentiment ratio Accepts payment on Base or Solana — either network works.

Total supply, name, symbol and decimals for any ERC20 token contract on Ethereum, Base, Arbitrum, Optimism or Polygon. token supply, erc20 total supply, circulating supply, token info, coin supply Accepts payment on Base or Solana — either network works.

Max-pain strike for BTC or ETH options at the nearest expiry, computed from Deribit open interest as the price that minimizes total option-holder payout. A decision-grade options gauge an LLM cannot calculate. Live data for expiry positioning and pinning analysis. max pain, options expiry, pin strike, deribit open interest Accepts payment on Base or Solana — either network works.