Vellium & Co

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etf-flows

Daily net creation/redemption flow for spot Bitcoin or Ethereum ETFs, computed from each issuer's own holdings disclosure: per-fund and total net flow in USD and coin for the latest day, a recent series and the window cumulative. One normal

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
176 ms
Price
$0.010 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
4
Category
Unclassified
Address
https://api.agentstools.dev/etf/flows

Accuracy: paid answers checked against an independent record

We have paid this seller, but no answer could yet be judged against an independent record.

Not counted: 1 could not be judged.

DayResultWhat the seller saidThe independent recordNote
2026-10-11not judged BTC: 22510336.9983557.7875 the number returned is not a spot price of BTC (off by more than half): rule of 12 Oct 2026 (was fail)

Every judged answer counts from the first day; nothing is graded until the evidence is there. Corrections are recorded beside the original, never deleted.

For agents

This page as JSON: /sellers/29c88818f049.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].