Vellium & Co

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Market Intelligence API

Use to average values you already have by importance ($0.01): send observations {value, weight}; get sum(value*weight)/sum(weight), the total weight and the count. Deterministic decimal math on your numbers, no market data fetched; any asse

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
133 ms
Price
$0.010 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
5
Category
Research, reports and analytics
Address
https://api.marketintelligenceapi.com/api/v1/analytics/weighted-mean

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/c92251a7f1b9.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].