Blockchain And Crypto x402 offerings

Convert NEAR to USD at live price. Pass ?amount=1 for value in US Dollar. NEAR兑换美元换算。ニアを米ドルに換算。Convertir NEAR a dólar. 니어를 달러로 환전. near to usd, NEAR Protocol convert. Accepts payment on Base or Solana — either network works.

Decode EVM calldata or a Base tx hash into a readable function call: signature, selector, and decoded typed arguments. Search terms: calldata decoder, ABI decode, function selector 4byte, transaction decoder, EVM tx decode. Accepts payment on Base or Solana — either network works.

Convert ETH to USD at live price. Pass ?amount=1 for value in US Dollar. 以太坊兑换美元换算。イーサリアムを米ドルに換算。Convertir Ethereum a dólar. 이더리움를 달러로 환전. eth to usd, Ethereum convert. Accepts payment on Base or Solana — either network works.

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. contract source, verified contract, compiler version, proxy implementation, contract metadata Accepts payment on Base or Solana — either network works.

Live APT to USD price (Aptos / US Dollar). Zero-param: GET returns current price. Aptos美元实时价格行情。アプトス/米ドル 価格。Precio Aptos dólar. 앱토스 달러 시세. apt usd, apt-usd, APT price. Accepts payment on Base or Solana — either network works.

Decode a 4-byte function selector or calldata into human-readable Solidity function signatures via openchain - reverses on-chain selectors that LLMs cannot know. function selector, 4byte decode, sig decode, calldata decode, method id, selector lookup 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 data Accepts payment on Base or Solana — either network works.

Top token holders and whale concentration for an ERC20 on Base, estimated from recent Transfer events, with each holder's percentage. token holders, holder distribution, whale concentration, top holders, token ownership, holder analysis Accepts payment on Base or Solana — either network works.

Live XLM to USD price (Stellar / US Dollar). Zero-param: GET returns current price. 恒星币美元实时价格行情。ステラ/米ドル 価格。Precio Stellar dólar. 스텔라 달러 시세. xlm usd, xlm-usd, XLM price. Accepts payment on Base or Solana — either network works.

Base L2 mainnet current gas price (gwei) via LlamaRPC eth_gasPrice. Use no params. Built for AI agents pricing Base swaps, x402 settlements, and L2 deploy costs, base gas fee estimate Accepts payment on Base or Solana — either network works.

Real-time gas estimates from the pending block base fee with slow/standard/fast tiers in gwei on EVM chains. mempool gas, pending gas, gas estimate, current gas price, fast gas, transaction fee Accepts payment on Base or Solana — either network works.

Live LTC to USD price (Litecoin / US Dollar). Zero-param: GET returns current price. 莱特币美元实时价格行情。ライトコイン/米ドル 価格。Precio Litecoin dólar. 라이트코인 달러 시세. ltc usd, ltc-usd, LTC price. Accepts payment on Base or Solana — either network works.

One-call market snapshot for a crypto asset: fear & greed sentiment, perpetual funding rate, open interest and recent liquidations aggregated in a single response. One call replaces 4+ separate indicator lookups. Built for AI trading agents and market-monitoring bots that need the full derivatives picture before acting. market overview, sentiment, funding rate, open interest, liquidations, derivatives snapshot Accepts payment on Base or Solana — either network works.

Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve, swap, nft-mint) across EVM chains, combining live gas price per chain with the native token price. Lets an agent pick the cheapest chain to execute and budget a transaction. Live aggregated gas + price compute. gas cost estimate, transaction fee usd, cheapest chain to execute, swap gas Accepts payment on Base or Solana — either network works.

Live crypto prices via CoinGecko. Pass symbol=BTC (or ETH, SOL...) or CoinGecko id=bitcoin; batch up to many with commas (symbols=BTC,ETH,SOL). Returns USD (or any vs) price, 24h change, market cap, 24h volume and last update. Built for AI agents needing crypto price, token price, spot price and market data. 加密货币实时价格行情。 Accepts payment on Base or Solana — either network works.

Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completio…

Get movers PumpFun tokens with AI-powered analysis including dominant meta summary, fresh token suggestions, and detailed token information with price changes and icon descriptions (Base Mainnet)

Ysaere sourced brief — cited sync brief (USDC)

Solana swap execution for AI agents. Returns an UNSIGNED swap transaction on the best venue after fees, Jito tip and expected sandwich loss, with the plan, a simulation and the net-benefit arithmetic to verify before signing, plus the same Safe / Protect / Refuse verdict as /analyse. Needs taker: the mainnet wallet that signs and funds the trade. Never signs or holds keys. Full contract: GET /v1/agent. Terms: https://zendiq.ai/agents/terms/

Solana swap triage for AI agents. Returns a Safe / Protect / Refuse verdict for a proposed swap: token risk screening, sandwich-attack exposure, and the priority fee and Jito tip to use. Call it before signing a swap. Advisory only: builds no transaction and never handles keys. Pay in USDC; network fees are sponsored. Full contract: GET /v1/agent. Terms: https://zendiq.ai/agents/terms/

Solana swap triage for AI agents. Returns a Safe / Protect / Refuse verdict for a proposed swap: token risk screening, sandwich-attack exposure, and the priority fee and Jito tip to use. Call it befo…

Solana swap execution for AI agents. Returns an UNSIGNED swap transaction on the best venue after fees, Jito tip and expected sandwich loss, with the plan, a simulation and the net-benefit arithmetic…

Get live EVM gas pricing with EIP-1559 breakdown and USD cost estimates

Get the current block height and latest-block details for an EVM chain