Vellium & Co

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Crypto price history

Historical price, market cap, and volume time series for a coin. Granularity is automatic per CoinGecko: <=1 day = 5-min bars, 2-90 days = hourly, >90 days = daily. Days: 1, 7, 14, 30, 90, 180, 365, or "max". Returns aligned arrays of {time

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
226 ms
Price
$0.015 per call
Paying buyers, last 30 days
4 (directory's own records)
Paid calls, last 30 days
4
Category
Crypto prices
Address
https://agent402.tools/api/crypto-history

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/fb0595900173.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].