# Auth Rule Backtest Token

## `200      Backtest results`

### Object

- **backtest_token**  
  - `uuid`  
  - required
  - Auth Rule Backtest Token

### simulation_parameters

- **object**  
  - required
  
  - **start**  
    - `date-time`  
    - required   
    - The start time of the simulation
  
  - **end**  
    - `date-time`  
    - required   
    - The end time of the simulation

### results

- **object**  
  - required
  
  - **current_version**  
    - `null` | Auth Rule Backtest Statistics
    - `null`
    - Auth Rule Backtest Statistics
  
  - **draft_version**  
    - `null` | Auth Rule Backtest Statistics
    - `null`
    - Auth Rule Backtest Statistics

## `400      Bad Request`

## `404      Not Found`

## Example Request

```shell
curl --request GET \
     --url https://sandbox.lithic.com/v2/auth_rules/auth_rule_token/backtests/auth_rule_backtest_token \
     --header 'accept: application/json'
```

## Example Response

```json
{
  "backtest_token": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "simulation_parameters": {
    "start": "2026-07-18T03:11:46.254Z",
    "end": "2026-07-18T03:11:46.254Z"
  },
  "results": {
    "current_version": {
      "version": 0,
      "approved": 0,
      "declined": 0,
      "challenged": 0,
      "examples": [
        {
          "event_token": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
          "transaction_token": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
          "timestamp": "2026-07-18T03:11:46.254Z",
          "decision": "APPROVED"
        }
      ]
    },
    "draft_version": {
      "version": 0,
      "approved": 0,
      "declined": 0,
      "challenged": 0,
      "examples": [
        {
          "event_token": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
          "transaction_token": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
          "timestamp": "2026-07-18T03:11:46.254Z",
          "decision": "APPROVED"
        }
      ]
    }
  }
}
```