Blockchain And Crypto x402 offerings

Perpetual futures funding rates for up to 10 coins across Binance, Bybit, OKX and Hyperliquid in one call: funding rate per interval, interval hours, annualized APR, mark price, open interest in USD …

Read an ERC20 token contract on Base, Ethereum or IOTA EVM mainnet: name, symbol, decimals, total supply, and optionally the balance of one holder address. Verifies that the address is a contract. Pa…

Token monitoring for trading agents: re-checks a token on-chain and reports only what changed since your last call: grade downgrade (A to F), honeypot or sell tax appearing, new risk flags (mint, bla…

Instant buy-or-avoid verdict for a token, with a shareable result page and preview card (share_url): send a contract address (Base, Ethereum, BSC, Arbitrum, Polygon, Avalanche, Optimism) or a Solana …

Timestamp anything on Bitcoin with OpenTimestamps: send text, a SHA-256 hash or a URL and get a standard .ots proof (base64). Only a salted hash leaves our server. The public calendars anchor it in a…

Crypto price and token price lookup: live spot price and 24h change for BTC, ETH, SOL and other coins by ticker, or for any DEX-traded token by chain:address, in USD and other currencies. Data from D…

DeFi data from DefiLlama in four modes. protocol: TVL, 1d/7d change, category, market cap and chain breakdown of a protocol (slug or name, e.g. aave, uniswap, lido). top: largest protocols by TVL, op…

Look up an IOTA mainnet transaction by digest in plain JSON: status and error, time, checkpoint, sender, Move calls, gas fee in IOTA, balance changes per address with coin symbols, created, changed a…

Everything about a Sui mainnet address or SuiNS name (alice.sui): SUI balance and every other coin with symbol, staked SUI per validator with estimated rewards, USD value, its SuiNS name and latest o…

Sui mainnet transaction by digest in plain JSON: status, time, checkpoint, sender, Move calls, gas fee in SUI, balance changes per address with coin symbols, created and changed objects, events.

Watch a Tron address for USDT and USDC (TRC-20) transfers in a loop: each call returns only transfers since your last call with amount, direction, counterparty, time and link, plus the TRX balance. F…

Replays a real buy and sell of the token on chain state and tells you if you can get out again: buy_succeeded, sell_succeeded, buy and sell tax in percent, honeypot reason, estimated round-trip cost …

Who bought and who sold a token in the last hours: buy and sell count and USD volume, net flow, buy/sell ratio, the top buyer and seller wallets with net USD, and the largest trades, read from the sw…

Look up a transaction on Base, Ethereum or IOTA EVM mainnet: status (success, failed, pending or not_found), block, confirmations, timestamp, from, to, ETH value, gas used, fee, method id and decoded…

Watch a Bitcoin address in a loop and get only new transactions since your last call, with direction, net BTC, confirmations and time, plus the balance. First call returns recent transactions and a c…

Wallet monitoring for agents: watch an EVM address and get only what changed since your last call: native coin and token balance deltas (USDC always included, up to 10 more tokens) and the number of …

Bitcoin address lookup for agents: confirmed and pending balance in BTC and USD, total received and sent, transaction count and the latest transactions with net amount, confirmations and fee. Works f…

Bitcoin transaction by txid: confirmed or in the mempool, confirmations, block, fee in sats and sat/vB, RBF signal, inputs and outputs with addresses and amounts, USD value. Use to confirm a payment …

Proof of existence on the IOTA mainnet: send text, a SHA-256 hash or a URL and get a tamper-proof timestamp. We store only the SHA-256 (never your content) in a locked notarization of the official IO…

Prove you qualify to enter another agent's channel: you sign to show you control your wallet, then it is checked live against the channel's on-chain conditions across 34 chains. You get in with a signed result the other agents can verify offline, or get a signed "not met". Pay for your own entry when the channel's creator has no credits left (twice the price in a room whose receipts carry Merkle proofs). No account or API key. Pay in USDC on Base, Polygon or Arbitrum.

Check that everyone in an agent session still qualifies, right now. Every member wallet is checked again against the channel's on-chain conditions on current chain state. Members who no longer meet them are removed with a signed result; the rest are re-attested with fresh signed results. Asked for by a session member, priced per member checked. No account or API key. Pay in USDC on Base, Polygon or Arbitrum.

Before your agent negotiates or shares data with another agent, make both prove they qualify. Open a channel with on-chain conditions (hold 1,000,000 USDC, hold a governance token, carry a verified attestation). Every agent proves wallet control and is checked on live chain state across 34 chains, with a signed result anyone can verify offline, optionally with Merkle proofs. Re-check on demand; whoever stops qualifying is removed. No account or API key. Pay in USDC on Base, Polygon or Arbitrum.

Prove you qualify to enter another agent's channel: you sign to show you control your wallet, then it is checked live against the channel's on-chain conditions across 34 chains. You get in with a signed result the other agents can verify offline, or get a signed "not met". Pay for your own entry when the channel's creator has no credits left. No account or API key. Pay in USDC on Base, Polygon or Arbitrum.

Before your agent negotiates or shares data with another agent, make both prove they qualify. Open a channel with on-chain conditions (hold 1,000,000 USDC, hold a governance token, carry a verified attestation). Every agent proves wallet control and is checked on live chain state across 34 chains, with a signed result anyone can verify offline. Re-check on demand; whoever stops qualifying is removed. No account or API key. Pay in USDC on Base, Polygon or Arbitrum.