{"provider":"OceanAlt","kind":"compliance / AML address screening + RAP compliance decision","standard":{"name":"RAP (Responsible Agentic Payments)","url":"https://oceanalt.com/en/rap"},"model":"hybrid — 免费基础 + x402 付费高阶(control-layer decision)","free":{"note":"基础查询免费:无需付费、无需 API key、支持跨域(CORS)。合理使用限流。","resources":[{"method":"GET","endpoint":"/api/risk","params":"addr, network","desc":"单地址风险筛查(制裁/混币器/诈骗名单 + 发行方冻结 + 链上启发式)+ 可核验证据。"},{"method":"GET","endpoint":"/api/risk/recent","desc":"近期被标记的敏感地址案例。"}]},"x402":{"scheme":"exact","network":"eip155:84532","status":"testnet (Base Sepolia) — 阶段1流程验证,USDC 为测试币","asset":"USDC","facilitator":"https://x402.org/facilitator","how":"调用付费端点会返回 HTTP 402 + `payment-required` 报价头(base64:x402Version/accepts)。用 EIP-3009 对 USDC transferWithAuthorization 签名,base64 放 `X-PAYMENT` 头重发即可;facilitator 代验签、代结算把 USDC 打到 payTo。任何 x402 钱包 / SDK / Coinbase Agentic Wallet 可直接调用,无需注册、无需 key。","resources":[{"method":"POST","endpoint":"/api/x402/decision","price_usd":0.3,"desc":"网关合规判决:该不该让这个 agent 付这笔?返回 allow/review/decline + 建议 + 可核证据(不只给数据,给决策)。body: { to, amountUsdc?, purpose?, network? }"},{"method":"GET","endpoint":"/api/x402/trace","price_usd":0.2,"desc":"深度沾染追踪(波场):沿最大入账逐跳回溯,查上游是否触及黑钱。?addr=T…"},{"method":"POST","endpoint":"/api/x402/batch","price_usd":0.1,"desc":"批量地址筛查(≤25)。body: { addresses: string[] }"}]},"differentiation":"我们卖【合规判决 + 可核验证据 + RAP 标准】,不是原始数据。对标慢雾(MistTrack)按次 $0.10–$1.00 更便宜;基础查询免费透明,给收据不给黑箱分,每次调用还在积累自建情报库。","docs":"https://oceanalt.com/en/api-docs","contact":"https://oceanalt.com/en/partner"}