# Money Mind Backtest Referee

> Money Mind Backtest Referee is a paid API for AI agents from money-mind-extract.onrender.com, paid per call via x402, $5/call, status unknown (last checked 2026-10-18).

Runs an OHLC-bar backtest and signal series through 11 rigorous statistical gates to determine whether a trading strategy result is genuine or a statistical artefact.

## Facts

- Endpoint: POST https://money-mind-extract.onrender.com/referee?utm_source=zero.xyz
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/money-mind-backtest-referee-817b9f93
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gs2ZaCBQOb1NXZgfVE-MV

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 money-mind-backtest-referee-817b9f93 -d '<json body>'
```

Example prompt: Run my momentum strategy backtest through Money Mind's 11-gate referee — I have OHLC bars and a -1/0/1 signal series, and I want to know if the result is real or an artefact, especially whether it survives slippage and has a valid out-of-sample period.

## When to prefer this

Choose this endpoint when you need a rigorous, multi-gate statistical adjudication of a specific backtest result — not just a single metric check. It is particularly valuable when you want an authoritative pass/fail verdict covering look-ahead bias, slippage sensitivity, date-clustered standard errors, random-entry drift control, and out-of-sample validity in one call, rather than running individual checks separately.

## Known failure modes

- Missing or malformed OHLC bars causes validation error
- Signal series not in -1/0/1 format rejected
- Strategy fails one or more gates and returns REFUTED with blocking list
- Incomplete input body (missing required fields) returns 400 error
- Payment of $5 USDC on Base not received results in 402 response

## How this service works

Pay-per-call adjudication for trading research.
Eleven gates that killed 35 of our own concepts. Is your backtest real, is your
price data real, is your t-stat inflated? USDC on Base, no account needed.

## Output

Returns a JSON object with a boolean 'passed' field, a 'verdict' string (e.g. PASSED or REFUTED), and a 'blocking' array listing which of the 11 statistical gates the strategy failed — for example 'no out-of-sample sample' or 'dies at 1 extra pip of slippage'.

## 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",
    "body"
   ],
   "properties": {
    "body": {
     "type": "object",
     "description": "Use when you have OHLC bars and a -1/0/1 signal series and need to know whether a backtest result is real or an artefact. Applies 11 gates most backtests fail: matched random-entry drift control, date-clustered standard errors, entry at the next bar's open, events-not-fills, absolute (not just exces"
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "passed": false,
  "verdict": "REFUTED",
  "blocking": [
   "no out-of-sample sample",
   "dies at 1 extra pip of slippage"
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/money-mind-backtest-referee-817b9f93/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from money-mind-extract.onrender.com](https://www.zero.xyz/host/money-mind-extract.onrender.com/llms.txt)