# Vaunt Execution Cost: xyz:COIN on Hyperliquid

> Vaunt Execution Cost: xyz:COIN on Hyperliquid is a paid API for AI agents from vaunt-dispatch-production.up.railway.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Returns real-fill execution cost metrics for trading xyz:COIN on Hyperliquid, including slippage (p50/p90 bps), taker fee, fill latency, fill rate, spread, round-trip cost, 1% depth, and funding APR.

## Facts

- Endpoint: GET https://vaunt-dispatch-production.up.railway.app/agent/x402/cost/xyz-COIN
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/vaunt-execution-cost-xyz-coin-on-hyperliquid-7627ca2f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_eJsPbCRrc2iknlb1oXMg_

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability vaunt-execution-cost-xyz-coin-on-hyperliquid-7627ca2f
```

Example prompt: What does it actually cost to trade xyz:COIN on Hyperliquid — give me the real slippage, taker fees, fill rate, round-trip cost, and funding APR based on Vaunt's own live fills.

## When to prefer this

Use this endpoint when you need ground-truth execution cost data for xyz:COIN on Hyperliquid based on real fills rather than theoretical quotes or order book snapshots. Prefer this over generic market data APIs when you need slippage percentiles, actual fill latency, and fill rates from live IOC taker orders, especially for pre-trade cost estimation or liquidity benchmarking specific to Hyperliquid's perpetuals venue.

## Known failure modes

- Asset xyz:COIN may not be supported or listed on Hyperliquid, returning a 404 or empty result
- Insufficient fill data if the asset has low volume, leading to incomplete p90 estimates
- Stale metrics if Vaunt's live trading engine has not recently transacted in this asset
- Payment failure via x402 protocol if USDC balance is insufficient
- Rate limiting or service unavailability on the Railway-hosted backend

## How this service works

True cost of trading xyz:COIN on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.

## Output

A structured report containing execution quality metrics for xyz:COIN on Hyperliquid derived from Vaunt's own real IOC taker fills: slippage vs mid at p50 and p90 in basis points, taker fee paid, wall-clock time to fill, fill rate, comparison against the venue-class median, bid-ask spread, round-trip cost, order book depth within 1% of mid, and current funding APR.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/vaunt-execution-cost-xyz-coin-on-hyperliquid-7627ca2f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from vaunt-dispatch-production.up.railway.app](https://www.zero.xyz/host/vaunt-dispatch-production.up.railway.app/llms.txt)