# Vaunt SOL Trading Cost on Hyperliquid

> Vaunt SOL Trading Cost 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 SOL on Hyperliquid, including slippage, taker fees, fill time, fill rate, spread, round-trip cost, depth, and funding APR based on Vaunt's own IOC taker orders.

## Facts

- Endpoint: GET https://vaunt-dispatch-production.up.railway.app/agent/x402/cost/SOL
- 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-sol-trading-cost-on-hyperliquid-639527c9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_I4bp2m849PfP0_io9jIv4

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-sol-trading-cost-on-hyperliquid-639527c9
```

Example prompt: What's the true cost of trading SOL on Hyperliquid right now — including slippage, taker fees, fill time, and round-trip cost based on Vaunt's real fills?

## When to prefer this

Choose this endpoint when you need empirically measured, real-money execution cost data for SOL on Hyperliquid specifically — not theoretical quotes or bid-ask estimates. Prefer it over generic market data APIs when you care about actual slippage, fill time, and fill rate from live IOC taker orders. Ideal for pre-trade cost analysis, venue comparison, and execution quality benchmarking for SOL.

## Known failure modes

- Endpoint unavailable if Railway deployment is down or cold-starting
- Stale data if Vaunt's order execution pipeline has not placed recent IOC orders
- HTTP 402 payment required if x402 micropayment of $0.001 USDC is not provided
- Empty or null metrics if SOL market on Hyperliquid is illiquid or halted
- Rate limiting or payment failure could result in 4xx errors

## How this service works

True cost of trading SOL 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

Returns a structured set of real-fill execution metrics for SOL on Hyperliquid: slippage vs mid at p50 and p90 (in bps), taker fee paid, wall-clock time to fill, fill rate, comparison against venue-class median, bid-ask spread, round-trip cost, order book depth within 1%, and funding APR — all derived from Vaunt's own live IOC taker orders, not simulated quotes.

## 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-sol-trading-cost-on-hyperliquid-639527c9/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)