Vellium & Co

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Toolsmith

Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
351 ms
Price
$0.002 per call
Paying buyers, last 30 days
11 (directory's own records)
Paid calls, last 30 days
14
Category
Currency and FX rates
Address
https://toolcall.click/t/fx/rates

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/34d4aad3e4cf.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].