Directory / trading-x402.rivr.workers.dev
Perpetual open interest and long/short skew for ~830 on-chain markets including forex, metals, energy and equities — covers markets that have no funding mechanism at all (on-chain; GMX V2 + gTrade)
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://trading-x402.rivr.workers.dev/perp-oi' # -> 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://trading-x402.rivr.workers.dev/perp-oi'
Endpoint: https://trading-x402.rivr.workers.dev/perp-oi. Operated by trading-x402.rivr.workers.dev, not by Animica. Price and availability were correct at the last probe on 2026-08-30 and are set by the operator, who may change them.
How often a pair dislocates across DEXs, how far, and how long it stays open (statistics over a window, at the disclosed sample interval — not a live signal)
Stablecoin deviation measured against a reference stablecoin (not USD) + observed historical mean-reversion stats (observed_events is rounded to the nearest 5 s…
Aave V3 reserve state across six chains — supply/borrow APR and APY, utilisation, supply/borrow caps, LTV, liquidation threshold and bonus (read on-chain; 155 r…
Perpetual funding rate, open interest and long/short skew, read on-chain (GMX V2 on Arbitrum/Avalanche, gTrade on Arbitrum/Base/Polygon)
Measured price impact at $1k/$10k/$100k, each measured against a dedicated near-mid reference size (reference_size_usd), so an agent can size an order