Blockchain And Crypto x402 offerings

Ethereum mainnet current gas price (gwei) via LlamaRPC eth_gasPrice plus latest block base fee. Use no params. Built for AI agents timing on-chain ops, contract deployment cost estimation, ethereum gas fee estimate Accepts payment on Base or Solana — either network works.

Live BCH to USD price (Bitcoin Cash / US Dollar). Zero-param: GET returns current price. 比特币现金美元实时价格行情。ビットコインキャッシュ/米ドル 価格。Precio Bitcoin Cash dólar. 비트코인캐시 달러 시세. bch usd, bch-usd, BCH price. Accepts payment on Base or Solana — either network works.

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 integrating a router. Live aggregated. bridge quote, cross chain transfer cost, best bridge route, lifi Accepts payment on Base or Solana — either network works.

Convert SUI to USD at live price. Pass ?amount=1 for value in US Dollar. Sui兑换美元换算。スイを米ドルに換算。Convertir Sui a dólar. 수이를 달러로 환전. sui to usd, Sui convert. Accepts payment on Base or Solana — either network works.

Convert XLM to USD at live price. Pass ?amount=1 for value in US Dollar. 恒星币兑换美元换算。ステラを米ドルに換算。Convertir Stellar a dólar. 스텔라를 달러로 환전. xlm to usd, Stellar convert. Accepts payment on Base or Solana — either network works.

Compute the 4-byte function/error selector and full keccak topic from a solidity signature, e.g. transfer(address,uint256). For decoding tx input prefixes and matching event topics. function selector, 4byte, method id, event topic, keccak signature Accepts payment on Base or Solana — either network works.

Detect the largest recent transfers of a token to spot whale accumulation or dumping before price moves - a real-time edge for trading agents that LLMs cannot see. whale alert, large transfers, whale movement, token whale, big transactions, whale tracker Accepts payment on Base or Solana — either network works.

Convert USD to HKD at live rate. Pass ?amount=100 for value in Hong Kong Dollar. 美元兑换港币换算。米ドルを香港ドルに換算。Convertir dólar a dólar de Hong Kong. 달러를 홍콩 달러로 환전. usd to hkd convert. Accepts payment on Base or Solana — either network works.

Live PEPE to USD price (Pepe / US Dollar). Zero-param: GET returns current price. 佩佩币美元实时价格行情。ペペ/米ドル 価格。Precio Pepe dólar. 페페 달러 시세. pepe usd, pepe-usd, PEPE price. Accepts payment on Base or Solana — either network works.

Convert AVAX to USD at live price. Pass ?amount=1 for value in US Dollar. 雪崩兑换美元换算。アバランチを米ドルに換算。Convertir Avalanche a dólar. 아발란체를 달러로 환전. avax to usd, Avalanche convert. Accepts payment on Base or Solana — either network works.

Live TON to USD price (Toncoin / US Dollar). Zero-param: GET returns current price. Toncoin美元实时价格行情。トンコイン/米ドル 価格。Precio Toncoin dólar. 톤코인 달러 시세. ton usd, ton-usd, TON price. Accepts payment on Base or Solana — either network works.

Options put/call ratio for BTC or ETH by open interest, aggregated from Deribit, with total call and put open interest and a sentiment read. The market-standard options positioning gauge an LLM cannot produce. Live data for hedging and sentiment. put call ratio, options open interest, options sentiment, deribit Accepts payment on Base or Solana — either network works.

Live USDC to USD price (USD Coin / US Dollar). Zero-param: GET returns current price. USDC稳定币美元实时价格行情。USDコイン/米ドル 価格。Precio USD Coin dólar. USD코인 달러 시세. usdc usd, usdc-usd, USDC price. Accepts payment on Base or Solana — either network works.

Check the exact ERC20 allowance an owner has granted to a spender contract, flagging unlimited approvals for revocation, on EVM chains. token allowance, approval check, unlimited approval, revoke allowance, spender allowance, wallet security Accepts payment on Base or Solana — either network works.

Universal crypto price with smart localization for ANY coin. Auto-adapts pricing currency to your locale (BTC in CNY/JPY/EUR) or stays USD. Params: symbol (BTC, ETH, WIF, or localized names), vs, amount, lang. 任意加密货币实时价格，自动本地化计价，比特币以太坊智能报人民币。暗号資産価格を自動現地化。Precio localizado de cripto. 현지화 암호화폐 시세. Accepts payment on Base or Solana — either network works.

Cross-exchange perpetual funding-rate spread for a symbol across OKX, Bybit and Binance. Returns each venue funding rate, annualized, the cheapest and most expensive venue, the spread and a cash-and-carry funding arbitrage hint. Live aggregated derivatives data for funding arb and perp venue selection. funding rate arbitrage, perp funding, cross exchange spread, basis trade Accepts payment on Base or Solana — either network works.

Convert USDC to USD at live price. Pass ?amount=1 for value in US Dollar. USDC稳定币兑换美元换算。USDコインを米ドルに換算。Convertir USD Coin a dólar. USD코인를 달러로 환전. usdc to usd, USD Coin convert. Accepts payment on Base or Solana — either network works.

Current gas price across Ethereum, Base, Arbitrum, Optimism and Polygon in one call, returns gwei gas price and latest base fee per chain. multichain gas price, gas fee comparison, gwei, l2 gas tracker, cheapest chain for transaction Accepts payment on Base or Solana — either network works.

Live OP to USD price (Optimism / US Dollar). Zero-param: GET returns current price. Optimism美元实时价格行情。オプティミズム/米ドル 価格。Precio Optimism dólar. 옵티미즘 달러 시세. op usd, op-usd, OP price. Accepts payment on Base or Solana — either network works.

Convert LINK to USD at live price. Pass ?amount=1 for value in US Dollar. Chainlink兑换美元换算。チェーンリンクを米ドルに換算。Convertir Chainlink a dólar. 체인링크를 달러로 환전. link to usd, Chainlink convert. Accepts payment on Base or Solana — either network works.

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 single request instead of stitching several feeds. Live decision-grade snapshot. perp dashboard, funding open interest basis, derivatives snapshot Accepts payment on Base or Solana — either network works.

Bitcoin recommended fee rates (sat/vB) for fast/half-hour/hour/economy/minimum via mempool.space. Use no params. Built for AI agents constructing BTC transactions, fee estimation UIs. Accepts payment on Base or Solana — either network works.

Heuristic on-chain labels for any address - contract vs EOA, activity tier, balance band and transaction count - on EVM chains. wallet label, address classification, eoa or contract, wallet activity, address profile, wallet tag, address label, onchain identity, smart money Accepts payment on Base or Solana — either network works.

Convert ARB to USD at live price. Pass ?amount=1 for value in US Dollar. Arbitrum兑换美元换算。アービトラムを米ドルに換算。Convertir Arbitrum a dólar. 아비트럼를 달러로 환전. arb to usd, Arbitrum convert. Accepts payment on Base or Solana — either network works.