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# List Routing Strategies

GET https://api-gateway.merge.dev/v1/routing/strategies

List all available routing strategies with descriptions.

Reference: https://docs.merge.dev/merge-gateway/api-overview/routing/list-strategies

## Authentication

- `Authorization` header (bearer token, required) — Your production key sent as a bearer token.

## Response

### 200

Successful Response

- `object` ("list", optional)
- `data` (list of V1RoutingStrategiesGetResponsesContentApplicationJsonSchemaDataItems, optional)

## Types

### V1RoutingStrategiesGetResponsesContentApplicationJsonSchemaDataItems

- `id` (string, optional)
- `name` (string, optional)
- `is_intelligent` (boolean, optional)
- `description` (string, optional)
- `ml_routing` (V1RoutingStrategiesGetResponsesContentApplicationJsonSchemaDataItemsMlRouting, optional, nullable)

### V1RoutingStrategiesGetResponsesContentApplicationJsonSchemaDataItemsMlRouting

- `score_exponent` (double, optional)
- `behavior` (string, optional)

## Examples

**Response**

```json
{
  "object": "list",
  "data": [
    {
      "id": "single",
      "name": "SINGLE",
      "is_intelligent": false,
      "description": "Always use the first configured provider"
    },
    {
      "id": "fallback",
      "name": "FALLBACK",
      "is_intelligent": false,
      "description": "Try providers in priority order until one succeeds"
    },
    {
      "id": "cost_optimized",
      "name": "COST_OPTIMIZED",
      "is_intelligent": true,
      "description": "ML-based routing: route 70%+ of requests to cheaper models",
      "ml_routing": {
        "score_exponent": 2,
        "behavior": "Compresses upper score range (more traffic to cheap models)"
      }
    },
    {
      "id": "balanced",
      "name": "BALANCED",
      "is_intelligent": true,
      "description": "ML-based routing: balance cost and quality 50/50",
      "ml_routing": {
        "score_exponent": 1,
        "behavior": "Linear score mapping (even distribution)"
      }
    }
  ]
}
```

**SDK Code**

```python
import requests

url = "https://api-gateway.merge.dev/v1/routing/strategies"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api-gateway.merge.dev/v1/routing/strategies';
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

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-gateway.merge.dev/v1/routing/strategies"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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-gateway.merge.dev/v1/routing/strategies")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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-gateway.merge.dev/v1/routing/strategies")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api-gateway.merge.dev/v1/routing/strategies', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api-gateway.merge.dev/v1/routing/strategies");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Authorization": "Bearer <token>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api-gateway.merge.dev/v1/routing/strategies")! 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()
```