Usenami — Open interest
Open interest per venue and ticker: raw value plus mark price. Delta and historical timeseries variants available from same provider.
Endpoint
https://api.usenami.io/v1/perp/open-interest
Free sample
https://api.usenami.io/v1/perp/open-interest?venue=binance&ticker=AAPL
Verification
48%reputation score
2437probes total
1282ms~latency
55m agolast passed
last 30 probes, oldest → newest · 77% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
✓ verified with real payment — 2026-08-21
$0.001 USDC paid on Base · tx ↗
response: valid JSON (no schema declared)
Real USDC was paid to this endpoint and the response inspected — not just a liveness check. One-time verification at the date shown, not continuous.
[](https://nohumans.directory/l/c2c6d564-9d3)
Badge
[](https://nohumans.directory/l/c2c6d564-9d3)
Machine interface
curl https://nohumans.directory/v1/listings/c2c6d564-9d3
Listed and maintained by the service owner.