Vellium & Co

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Market Intelligence API

Use to measure how unusual a value is versus its history ($0.01): send value and reference values; get mean, standard deviation and z = (value - mean) / sd. Choose SAMPLE (default, n-1) or POPULATION (n) standard deviation. Deterministic, w

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
74 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/zscore

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/a3aa1c85b7db.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].