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Genexxis Depth Slippage Simulator
x402
Genexxis Depth Slippage Simulator is a paid API for AI agents from depth.genexxis.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-11-04).
Simulates a market order across five spot venues for a given USD amount, returning average fill price, slippage in bps, worst price, fill status, best venue, and bid/ask depth at 0.5%, 1%, and 2% from mid.
Price / call$0.005
Success—
StatusUnknown
How this service works
Execution cost before trading crypto spot: walks the live public order books of Binance, Coinbase, Kraken, OKX and Bybit for a USD notional and returns average fill price, slippage vs mid in bps, worst price, fill status, best venue, and resting depth within 0.5 / 1 / 2% of mid per venue. Also the Korea ("kimchi") premium: Upbit and Bithumb KRW prices vs Binance USDT converted at the ECB USD/KRW rate. Live at request time (cache 10-15 s); failing venues listed in errors[].
Output
Returns a JSON object with per-venue results including: mid price, spread in bps, instrument name, average fill price, slippage in bps vs mid, worst fill price, fully-filled boolean, and bid/ask depth in USD at 0.5%, 1%, and 2% from mid. Also includes a top-level bestVenue object identifying the optimal exchange with its fill stats, plus any errors encountered.
Example use cases
Pre-trade slippage check for large buy
“I'm about to buy $250,000 of BTC — can you simulate that order across major spot exchanges and tell me the expected slippage in bps, average fill price, and which venue would give me the best execution?”
Sell-side liquidity assessment for SOL
“Simulate selling $100,000 worth of SOL on spot markets and show me the bid depth at 0.5%, 1% and 2% from mid, the worst price I'd get, and whether the order would be fully filled.”
Best venue selection for ETH trade
“Compare spot venue liquidity for a $500,000 ETH buy order — I need to know the average fill price, slippage in basis points, and which exchange comes out on top.”
Technical details
Endpoint
GEThttps://depth.genexxis.com/slippage?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need pre-trade simulation of crypto market orders across multiple spot venues simultaneously, especially for order sizes where liquidity and slippage matter. It is ideal for algorithmic trading agents, treasury managers, and DeFi routing systems that need to compare venue depth and estimate market impact before executing. Prefer it over single-venue order book lookups when cross-venue best execution analysis is required.
Side effects
- Invalid symbol returns error (unsupported or misspelled ticker)
- USD amount outside range 10–50,000,000 causes validation error
- Invalid side value (not 'buy' or 'sell') causes rejection
- Venue connectivity issues may result in partial venue data with errors array populated
- Network timeout returns 402 or connection error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"usd": 50000,
"side": "buy",
"errors": [],
"symbol": "ETH",
"venues": [
{
"mid": 2346.725,
"quote": "USDT",
"venue": "binance",
"depthUsd": {
"pct1": {
"askUsd": 7200000,
"bidUsd": 7600000
},
"pct2": {
"askUsd": 11800000,
"bidUsd": 12500000
},
"pct0_5": {
"askUsd": 3900000,
"bidUsd": 4100000
}
},
"spreadBps": 0.04,
"instrument": "ETHUSDT",
"worstPrice": 2346.9,
"fullyFilled": true,
"slippageBps": 0.4,
"avgFillPrice": 2346.82
}
],
"bestVenue": {
"venue": "binance",
"fullyFilled": true,
"slippageBps": 0.4,
"avgFillPrice": 2346.82
}
}
}Tags
x402
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