Massive 是一家金融市場資料供應商，今日宣布其美國股票市場資料的 x402 付款機制已正式可用，並與 Coinbase 合作推出。

透過 x402，AI 代理可在標準 HTTP 互動中，以 USDC 發現並支付單筆資料請求。Coinbase Developer Platform 的 facilitator 會在 Massive 回傳所需資料前，驗證並結算每筆付款，為傳統 API 存取之外新增一條按請求付費的路徑。

“More and more of our traffic is coming from agents, whether through our LLM-friendly markdown docs or our new MCP server. Discovery has to work the same way; agent-first. Being listed in the x402 Bazaar means an agent can find our data and pay for it in the middle of a task, so the person waiting on the other end gets an answer without full onboarding friction and can make a decision in that moment with the exact data that is critical to their workflow,” said Stevie Palmateer, VP of Product Engineering at Massive.

“為了讓 AI 代理做出更有依據的交易決策，它們需要即時取得最佳市場資料——且不受 API keys、訂閱或人工配置的限制。Massive 的 equities data API 加入 x402 生態系，意味著交易代理現在可以針對即時股票資料進行發現與逐筆支付，並以穩定幣即時結算。這是 agentic finance 與交易未來的重要基礎組成部分，” said Kevin Leffew, Developer Partnerships at Coinbase and co-author of x402.

Massive 表示，其 x402 routes 可透過專屬子網域使用，也可在 Agentic.Market 與 x402 Bazaar 中找到。公司稱這些路由提供了額外的 Massive 資料存取方式，且不會影響既有訂閱。現有客戶可在不做任何變更的情況下，繼續使用其 API keys、subscriptions 與 endpoints。

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