Animica x402 Directory

Directory / api.usenami.io

api.usenami.io/v1/perp/carry

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 DEX venues.

Call it

# 1. Ask the endpoint what it costs (no payment, no wallet needed):
curl -i -X GET 'https://api.usenami.io/v1/perp/carry'

# -> HTTP/1.1 402 Payment Required
#    the response carries the price, asset and pay-to address.

# 2. Pay and retry with any x402 client:
npx x402-fetch 'https://api.usenami.io/v1/perp/carry'

Endpoint: https://api.usenami.io/v1/perp/carry. Operated by api.usenami.io, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.

Other endpoints on api.usenami.io

api.usenami.io/v1/backtest/data

Packaged time-series backtest feed for crypto perpetuals: funding-rate history plus optional orderbook snapshots, bundled per time bucket at 1h/4h/1d granularit…

GET · $0.05

api.usenami.io/v1/funding/current

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, …

GET · $0.001

api.usenami.io/v1/funding/historical

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 need…

GET · $0.005

api.usenami.io/v1/orderbook/best-execution

Naive single-venue best execution for one crypto perpetual: the venue with the lowest precomputed slippage at your requested size. Excludes fees, funding and la…

GET · $0.01

api.usenami.io/v1/orderbook/multi-venue-execution

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. R…

GET · $0.01

api.usenami.io/v1/orderbook/multi-venue-slippage

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 a…

GET · $0.005

api.usenami.io/v1/perp/arbitrage/funding

Cross-venue funding-rate arbitrage scan over all tracked crypto perpetuals: every ticker whose (max_rate − min_rate) across venues exceeds your threshold. Naive…

GET · $0.003

api.usenami.io/v1/perp/arbitrage/funding-signal

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-si…

GET · $0.005

api.usenami.io/v1/perp/arbitrage/price

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 exclud…

GET · $0.003

api.usenami.io/v1/perp/basis

Per-venue basis for one crypto perpetual — mark versus index price, basis_bps = (mark−index)/index×10000, and contango/backwardation structure, across tracked C…

GET · $0.005

api.usenami.io/v1/perp/funding-flips

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…

GET · $0.003

api.usenami.io/v1/perp/funding-next

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 th…

GET · $0.003

All 24 endpoints on api.usenami.io →