api.usenami.io publishes 24 machine-payable endpoints over the x402 protocol, priced from $0.001 to $0.05 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /v1/backtest/data | GET | $0.05 | 402 |
| /v1/funding/current | GET | $0.001 | 402 |
| /v1/funding/historical | GET | $0.005 | 402 |
| /v1/orderbook/best-execution | GET | $0.01 | 402 |
| /v1/orderbook/multi-venue-execution | GET | $0.01 | 402 |
| /v1/orderbook/multi-venue-slippage | GET | $0.005 | 402 |
| /v1/perp/arbitrage/funding | GET | $0.003 | 402 |
| /v1/perp/arbitrage/funding-signal | GET | $0.005 | 402 |
| /v1/perp/arbitrage/price | GET | $0.003 | 402 |
| /v1/perp/basis | GET | $0.005 | 402 |
| /v1/perp/carry | GET | $0.005 | 402 |
| /v1/perp/funding-flips | GET | $0.003 | 402 |
| /v1/perp/funding-next | GET | $0.003 | 402 |
| /v1/perp/funding-spread | GET | $0.001 | 402 |
| /v1/perp/oi-delta | GET | $0.003 | 402 |
| /v1/perp/oi-history | GET | $0.005 | 402 |
| /v1/perp/open-interest | GET | $0.001 | 402 |
| /v1/perp/oracle-families | GET | $0.001 | 402 |
| /v1/perp/snapshot | GET | $0.005 | 402 |
| /v1/perp/volume-24h | GET | $0.001 | 402 |
| /v1/perp/volume-anomalies | GET | $0.003 | 402 |
| /v1/perp/volume-history | GET | $0.005 | 402 |
| /v1/perp/vw-spread | GET | $0.003 | 402 |
| /v1/rwa/perp-coverage | GET | $0.001 | 402 |
Packaged time-series backtest feed for crypto perpetuals: funding-rate history plus optional orderbook snapshots, bundled per time bucket at 1h/4h/1d granularity — one paid call instead of stitching s…
Live perpetual-futures funding rates per venue for one crypto symbol, or the whole cross-venue set in one call. Major CEX and DEX perp venues — Binance, Bybit, OKX, Bitget, Gate.io, KuCoin, Hyperliqui…
Historical per-venue funding rates for one crypto perpetual, aggregated 1h/4h/1d, across tracked CEX and DEX venues — the timeseries a funding-arb backtest needs. Up to 30-day windows (30-day retentio…
Naive single-venue best execution for one crypto perpetual: the venue with the lowest precomputed slippage at your requested size. Excludes fees, funding and latency — a baseline to measure a router a…
Greedy multi-venue execution route for one crypto perpetual: walks venues in slippage order, allocating up to each venue's depth cap until size_usd is filled. Returns the route, total filled and blend…
Per-venue slippage scan for one crypto perpetual at $1K/$5K/$10K notional, across tracked CEX and DEX venues — every venue sorted by lowest slippage, with BBO and depth. Raw scan, no opinionated ranki…
Cross-venue funding-rate arbitrage scan over all tracked crypto perpetuals: every ticker whose (max_rate − min_rate) across venues exceeds your threshold. Naive filter, no signal logic — gross spread,…
Decision-ready funding-arb SIGNAL for crypto perpetuals — cross-venue gross spread taken net of public round-trip taker fees, periods-to-breakeven, and depth-sized max notional at $1k/$5k/$10k, ranked…
Cross-venue mark-price spread scan for crypto perpetuals — where the same perp trades at different marks across venues. Quoted spread is not net edge: it excludes fees, slippage and funding difference…
Per-venue basis for one crypto perpetual — mark versus index price, basis_bps = (mark−index)/index×10000, and contango/backwardation structure, across tracked CEX and DEX perp venues. Every venue come…
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,…
Funding-rate sign-change detection for one crypto perpetual — every positive↔negative flip across venues inside a lookback window, each with its venue, hour and the rates either side of the change. Ra…
Next funding payment ETA for one crypto perpetual on one venue, with the current indicative funding rate alongside — when the next settlement lands and where the rate stands now. Entry-timing input fo…
Cross-venue funding-rate spread for one crypto perpetual — the highest- and lowest-paying venues and the spread in bps, across major CEX and DEX perp venues (Binance, Bybit, OKX, Hyperliquid, Paradex,…
Open-interest delta for one crypto perpetual on one venue — current OI against OI N hours ago. Accumulation or distribution signal: whether positioning is building or unwinding.
Historical open-interest timeseries for one crypto perpetual on one venue, aggregated 1h/4h/1d — positioning over time for backtests and regime studies. 30–90d window cap.
Open interest per venue for one crypto perpetual, with mark_price alongside — positioning and crowding across tracked CEX and DEX perp venues. Raw value: units vary per venue, see units_note in the re…
Oracle price-source family classification across tracked crypto perp venues — which venues derive their index price from the same upstream feed. Basis-risk awareness for cross-venue and funding-arb st…
One-call market snapshot for one crypto perpetual across every tracked venue — funding rate, annualized carry with contango/backwardation structure, open interest, 24h volume and mark price in a singl…
24-hour rolling USD volume for one crypto perpetual on one venue — liquidity and activity ranking across tracked CEX and DEX perp venues.
Volume-spike scanner across tracked crypto perpetuals: every ticker whose current 24h volume is at least your multiplier × the baseline average over a lookback window. Raw scan — it surfaces unusual a…
Historical 24h-volume timeseries for one crypto perpetual on one venue, aggregated 1h/4h/1d — liquidity over time for backtests and venue selection. 30–90d window cap.
Volume-weighted average funding rate across all tracked venues for one crypto perpetual. Accounts for venue market share — high-volume venues dominate the weighted rate, so it reflects what the market…
Real-world-asset (RWA) perpetual coverage across HIP-3 DEXes — which stocks, metals, forex pairs, commodities and pre-IPO synthetics are listed as perps, and on which venue. Tracks the on-chain RWA pe…