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# List template versions

GET https://app.lumenia.net/api/v1/prompt-templates/{templateId}/versions

Return versions for a prompt template.

Reference: https://docs.lumenia.net/api-reference/prompt-template-versions/list-template-versions

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <API_KEY>`, where `API_KEY` is your API key.

## Request

### Path parameters

- `templateId` (string, required) — Template whose versions to return.

## Response

### 200

An array of template versions, newest first.

- `versions` (list of V1PromptTemplatesTemplateIdVersionsGetResponsesContentApplicationJsonSchemaVersionsItems, required) — The versions, in the lean shape.

## Errors

### 403 Forbidden Error

The API key is missing or invalid.

- `message` (string, optional)

### 404 Not Found Error

Template not found for this partner

- `any`

### 500 Internal Server Error

Internal Server Error

- `any`

## Types

### V1PromptTemplatesTemplateIdVersionsGetResponsesContentApplicationJsonSchemaVersionsItems

- `id` (string, optional) — The sole identifier for the version.
- `version` (integer, optional) — The version number, assigned automatically at creation.
- `status` (enum, optional) — Lifecycle state: draft (editable), published (assignable), or archived (no new assignments).
  - Allowed values: `draft`, `published`, `archived`
- `publishedAt` (string, optional, nullable) — When the version was published, null while a draft.
- `archivedAt` (string, optional, nullable) — When the version was archived, null before that.
- `createdAt` (string, optional) — ISO 8601 timestamp of when the version was created.

## Examples

**Response**

```json
{
  "versions": [
    {
      "id": "e5f6a7b8-9102-4d4e-bf50-6b7c8d9e0f1a",
      "version": 3,
      "status": "draft",
      "publishedAt": null,
      "archivedAt": null,
      "createdAt": "2026-07-10T09:00:00.000Z"
    },
    {
      "id": "d4e5f6a7-8091-4c3d-ae4f-5a6b7c8d9e0f",
      "version": 2,
      "status": "published",
      "publishedAt": "2026-07-05T09:00:00.000Z",
      "archivedAt": null,
      "createdAt": "2026-07-04T09:00:00.000Z"
    },
    {
      "id": "c3d4e5f6-7081-4b2c-9d3e-4f5a6b7c8d9e",
      "version": 1,
      "status": "archived",
      "publishedAt": "2026-07-01T10:00:00.000Z",
      "archivedAt": "2026-07-05T09:00:00.000Z",
      "createdAt": "2026-07-01T09:00:00.000Z"
    }
  ]
}
```

**SDK Code**

```python
import requests

url = "https://app.lumenia.net/api/v1/prompt-templates/templateId/versions"

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

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

print(response.json())
```

```javascript
const url = 'https://app.lumenia.net/api/v1/prompt-templates/templateId/versions';
const options = {method: 'GET', headers: {Authorization: 'Bearer <API_KEY>'}};

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://app.lumenia.net/api/v1/prompt-templates/templateId/versions"

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

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

	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://app.lumenia.net/api/v1/prompt-templates/templateId/versions")

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

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

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://app.lumenia.net/api/v1/prompt-templates/templateId/versions")
  .header("Authorization", "Bearer <API_KEY>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://app.lumenia.net/api/v1/prompt-templates/templateId/versions', [
  'headers' => [
    'Authorization' => 'Bearer <API_KEY>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://app.lumenia.net/api/v1/prompt-templates/templateId/versions");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "Bearer <API_KEY>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

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

let request = NSMutableURLRequest(url: NSURL(string: "https://app.lumenia.net/api/v1/prompt-templates/templateId/versions")! 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()
```