Massive Sells US Stock Data to AI Agents Per-Request via x402, Paid in USDC
kleffew94 · x · 2026-10-06
Market data provider Massive has started selling US stock data to AI agents one request at a time, settled in USDC with no account or API key, built on Coinbase's x402 payment standard.
- Market data was traditionally licensed upfront per seat or via firm-level agreements; this model introduces a new buyer — software that pays for a data point at the moment it needs it.
- The author argues timestamping becomes part of the market-data infrastructure: an agent receiving a single observation needs to know not just what the market said but exactly when it was true.
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