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x402stock.vercel.app

Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
346 ms
Price
$0.010 per call
Paying buyers, last 30 days
4 (directory's own records)
Paid calls, last 30 days
4
Category
Stock prices
Address
https://x402stock.vercel.app/api/v1/exchanges

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/03e1820afbef.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].