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APEX Runner: Optimal Order Routing Signal
x402
APEX Runner: Optimal Order Routing Signal is a paid API for AI agents from apexrunner.ai, paid per call via x402, $0.007/call, status unknown (last checked 2026-09-14).
Returns a real-time optimal exchange routing signal for buying or selling a crypto asset, identifying which exchange offers the best price and lowest fees for a given order size.
Price / call$0.007
Success—
StatusUnknown
How this service works
APEX Runner: Optimal Order Routing Signal
Output
Returns a structured signal containing: the recommended exchange for the trade, per-exchange breakdown of price, taker fee percentage, and net cost in USD, the percentage and absolute USD savings versus the worst exchange, a human-readable reason explaining the recommendation, signal metadata (hash, version, validity window in seconds, whether live trading is active, number of trades backing the signal), and a timestamp for the signal.
Example use cases
Example prompt
“Check APEX Runner's optimal order routing signal for buying $25,000 worth of ETH — tell me which exchange to use and how much I'd save versus the worst option.”
Technical details
Endpoint
GEThttps://apexrunner.ai/signals/optimal-order-routingWhen to prefer
Use this endpoint when you need real-time, signal-backed exchange routing recommendations for a specific crypto trade, especially when minimizing fees and slippage matters. Prefer this over generic price aggregators when you need a structured, hashable signal with fee-aware net cost calculations across major crypto exchanges. Best suited for traders executing single orders in the $10–$1,000,000 USD range on supported assets (AVAX, BTC, ETH, LINK, SOL, XRP).
Side effects
- Unsupported coin symbol returns validation error (only AVAX, BTC, ETH, LINK, SOL, XRP supported)
- size_usd below $10 or above $1,000,000 returns range validation error
- Invalid side value (not 'buy' or 'sell') returns enum error
- Signal may expire quickly — valid_for_seconds indicates freshness window
- Payment failure (x402) if USDC balance insufficient
- Exchange data unavailable for one or more venues may affect comparison completeness
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"reason": "string — plain-English explanation of routing decision",
"example": {
"order_type": "limit",
"recommended_exchange": "hyperliquid",
"estimated_total_cost_pct": 0.14
},
"order_type": "string — recommended order type: limit or market",
"venue_ranking": "array — all venues ranked by total cost, each with exchange and total_cost_pct",
"estimated_fee_pct": "float — exchange fee as percentage of order value",
"recommended_exchange": "string — cheapest venue: kraken / coinbase / hyperliquid",
"estimated_total_cost_pct": "float — fee + slippage as percentage of order value"
}Tags
x402
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