Vellium & Co

Directory › Payments and on-ramps › Usenami

Usenami

Per-venue funding carry for one crypto perpetual: raw funding_rate, annualized_carry_pct, and contango/backwardation structure from the funding sign. What holding this perp pays or costs you per year, venue by venue, across tracked CEX and

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
515 ms
Price
$0.005 per call
Paying buyers, last 30 days
1 (directory's own records)
Paid calls, last 30 days
1
Category
Payments and on-ramps
Address
https://api.usenami.io/v1/perp/carry

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/efaa479ebd62.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].