Vellium & Co

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api.blockchainmoneymap.com

Compares caller-supplied x402 catalog, OpenAPI, MCP/tool metadata, and unpaid challenge samples for endpoint, method, price, currency, network, receiver, and tool drift.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
370 ms
Price
$0.010 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
2
Category
Currency and FX rates
Address
https://api.blockchainmoneymap.com/api/x402/x402-catalog-drift-monitor

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/f7e103f5566e.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].