{"name":"Checkpoint402","description":"Pay-per-call data services for AI agents and people. No accounts, no API keys — pay each call in USDC via x402.","network":"eip155:84532","payTo":"0x739E2381939F558046E6041e1853B49B8033DB6e","services":[{"path":"/v1/tx-explain","method":"GET","priceUsd":0.03,"title":"Transaction Explainer","description":"Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data.","params":[{"name":"hash","type":"string","required":true,"description":"Transaction hash (0x + 64 hex chars)"},{"name":"chain","type":"string","required":false,"description":"Chain (default base)","enum":["base","ethereum"]}]},{"path":"/v1/defi-yields","method":"GET","priceUsd":0.05,"title":"Best DeFi Yield Finder","description":"Top DeFi yields across 16k+ pools, filtered by asset, chain, minimum TVL and risk, each with a simple explained risk tier (outlier APY, thin TVL, reward-heavy, IL exposure). Data: DefiLlama.","params":[{"name":"asset","type":"string","required":false,"description":"Token symbol, e.g. USDC, ETH"},{"name":"chain","type":"string","required":false,"description":"Chain name, e.g. Base, Ethereum, Arbitrum"},{"name":"minTvlUsd","type":"number","required":false,"description":"Minimum pool TVL in USD (default 1,000,000)"},{"name":"stablecoinOnly","type":"boolean","required":false,"description":"Only stablecoin pools"},{"name":"maxRisk","type":"string","required":false,"description":"Highest risk tier to include (default medium; use high to include outlier APYs)","enum":["low","medium","high"]},{"name":"limit","type":"number","required":false,"description":"Results, 1-50 (default 10)"}]},{"path":"/v1/new-tokens","method":"GET","priceUsd":0.1,"title":"New Token Launch Feed","description":"Newly launched token pools on Base, Ethereum or BSC, each with a 0-100 safety score and explicit red flags (honeypot, unverified code, mintable, owner powers, high tax, unlocked liquidity, whale concentration). Data: GeckoTerminal + GoPlus.","params":[{"name":"chain","type":"string","required":false,"description":"Chain (default base)","enum":["base","ethereum","bsc"]},{"name":"minScore","type":"number","required":false,"description":"Only tokens with safety score >= this, 0-100 (default 0)"},{"name":"limit","type":"number","required":false,"description":"Results, 1-20 (default 10)"}]},{"path":"/v1/company-events","method":"GET","priceUsd":0.1,"title":"Breaking Company Events (SEC 8-K)","description":"Latest SEC 8-K filings — market-wide within minutes of filing, or for one ticker — with each item code translated to plain English, high-impact events flagged (earnings, CEO changes, M&A, bankruptcy, cyber incidents) and AI summaries of the filing text.","params":[{"name":"ticker","type":"string","required":false,"description":"Stock ticker; omit for the market-wide latest feed"},{"name":"item","type":"string","required":false,"description":"Only filings with this 8-K item code, e.g. 5.02"},{"name":"highImpactOnly","type":"boolean","required":false,"description":"Only filings with a high-impact item"},{"name":"limit","type":"number","required":false,"description":"Results, 1-20 (default 10)"}]},{"path":"/v1/sanctions-screen","method":"GET","priceUsd":0.05,"title":"OFAC Sanctions Screening","description":"Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed.","params":[{"name":"name","type":"string","required":false,"description":"Person or company name"},{"name":"address","type":"string","required":false,"description":"Crypto wallet address (EVM, BTC, TRX, …)"},{"name":"threshold","type":"number","required":false,"description":"Name-match threshold 0.7-1 (default 0.92)"},{"name":"limit","type":"number","required":false,"description":"Max name candidates, 1-20 (default 5)"}]}],"openapi":"/openapi.json"}