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

# List decision models

GET https://api.runtype.com/v1/decision-models

List supported decision-only models, their native routes, question constraints, pricing and credential requirements. This static catalog does not verify organization credentials, provider policy, account eligibility or spending readiness. Execution performs those checks. These models are not chat models.

Reference: https://docs.runtype.com/api-reference/runtype-api/decision-models/list-decision-models

## Authentication

- `Authorization` header (bearer token, required) — API key or Clerk session token

## Servers

- `https://api.runtype.com` (Production, default)
- `https://api.runtype-staging.com` (Staging)

## Response

### 200

Supported decision model catalog; null pricing or context windows mean unknown.

- `models` (list of DecisionModel, required)

## Errors

### 401 Unauthorized Error

Unauthorized

- `error` (string, required)
- `details` (list of ErrorDetailsItems, optional)

## Types

### DecisionModel

- `contextWindow` (integer, required, nullable)
- `credentialRequirements` (DecisionModelCredentialRequirements, required)
- `description` (string, required)
- `docsUrl` (string, required)
- `id` (string, required)
- `inputKinds` (list of enum, required)
  - Allowed values: `text`, `json`
- `maxChoiceOptions` (integer, required)
- `maxQuestions` (integer, required, nullable)
- `maxScoreLevels` (integer, required)
- `minChoiceOptions` (integer, required)
- `name` (string, required)
- `platformFunding` (boolean, required)
- `pricing` (DecisionModelPricing, required, nullable)
- `provider` (enum, required)
  - Allowed values: `vercel`, `openai`, `cloudflare`
- `providerModelId` (string, required)
- `route` (enum, required)
  - Allowed values: `vercel-ai-gateway`, `openai-decisions`, `cloudflare-workers-ai`

### ErrorDetailsItems

- `message` (string, required)
- `code` (string, optional) — Stable Runtype validation code (e.g. MISSING_REQUIRED_FIELD, INVALID_ENUM).
- `path` (string, optional) — Dotted JSON path to the offending field.
- `suggestion` (string, optional) — Actionable hint (allowed values, accepted range, …).

### DecisionModelCredentialRequirements

- `organizationCredentialSupported` (boolean, required)
- `platformFundingSupported` (boolean, required)
- `provider` (enum, required)
  - Allowed values: `vercel`, `openai`, `platform`

### DecisionModelPricing

- `inputPer1MTokens` (double, required)
- `inputPerToken` (string, required)
- `outputPer1MTokens` (double, required)
- `outputPerToken` (string, required)

## Examples

**Response**

```json
{
  "models": [
    {
      "contextWindow": 1,
      "credentialRequirements": {
        "organizationCredentialSupported": true,
        "platformFundingSupported": true,
        "provider": "vercel"
      },
      "description": "string",
      "docsUrl": "string",
      "id": "string",
      "inputKinds": [
        "text"
      ],
      "maxChoiceOptions": 1,
      "maxQuestions": 1,
      "maxScoreLevels": 1,
      "minChoiceOptions": 1,
      "name": "string",
      "platformFunding": true,
      "pricing": {
        "inputPer1MTokens": 1.1,
        "inputPerToken": "string",
        "outputPer1MTokens": 1.1,
        "outputPerToken": "string"
      },
      "provider": "vercel",
      "providerModelId": "string",
      "route": "vercel-ai-gateway"
    }
  ]
}
```

**SDK Code**

```python
import requests

url = "https://api.runtype.com/v1/decision-models"

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

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

print(response.json())
```

```javascript
const url = 'https://api.runtype.com/v1/decision-models';
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.runtype.com/v1/decision-models"

	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.runtype.com/v1/decision-models")

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.runtype.com/v1/decision-models")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.runtype.com/v1/decision-models', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.runtype.com/v1/decision-models");
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.runtype.com/v1/decision-models")! 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()
```