> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.ntropy.com/documentation/api/personalization/filter-get-v-3-rules-get/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.ntropy.com/_mcp/server.

# List all rules

GET https://api.ntropy.com/v3/rules

List all rules

Reference: https://docs.ntropy.com/documentation/api/personalization/filter-get-v-3-rules-get

## Authentication

- `X-Api-Key` header (required) — API Key authentication via header

## Response

### 200

Successful Response

- `list of Action`

## Errors

### 422 Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

## Types

### Action

### ValidationError

- `loc` (list of ValidationErrorLocItems, required)
- `msg` (string, required)
- `type` (string, required)

### If

- `if` (Expr, required)
- `then` (list of Action, optional)
- `else` (list of Action, optional)

### Setter

- `set` (enum, required)
  - Allowed values: `logo`, `website`, `merchant`, `merchant_id`, `location`, `person`, `transaction_type`
- `to` (Expr, required)

### ValidationErrorLocItems

### Expr

## Examples

**Response**

```json
[
  {
    "if": {},
    "then": [
      {
        "set": "logo",
        "to": "http://example.com/favicon.ico"
      }
    ],
    "else": [
      {
        "remove_label": "example label"
      }
    ]
  }
]
```

**SDK Code**

```python Python SDK
from ntropy_sdk import SDK

sdk = SDK("cd1H...Wmhl")
rules = sdk.rules.get()
```

```javascript
const url = 'https://api.ntropy.com/v3/rules';
const options = {method: 'GET', headers: {'X-Api-Key': '<apiKey>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.ntropy.com/v3/rules"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-Api-Key", "<apiKey>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.ntropy.com/v3/rules")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["X-Api-Key"] = '<apiKey>'

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://api.ntropy.com/v3/rules")
  .header("X-Api-Key", "<apiKey>")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.ntropy.com/v3/rules', [
  'headers' => [
    'X-Api-Key' => '<apiKey>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.ntropy.com/v3/rules");
var request = new RestRequest(Method.GET);
request.AddHeader("X-Api-Key", "<apiKey>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["X-Api-Key": "<apiKey>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.ntropy.com/v3/rules")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```