curl --request GET \
  --url https://openrouter.ai/api/v1/presets/{slug}/versions \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://openrouter.ai/api/v1/presets/{slug}/versions"

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

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://openrouter.ai/api/v1/presets/{slug}/versions', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://openrouter.ai/api/v1/presets/{slug}/versions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://openrouter.ai/api/v1/presets/{slug}/versions"

	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(string(body))

}

HttpResponse<String> response = Unirest.get("https://openrouter.ai/api/v1/presets/{slug}/versions")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://openrouter.ai/api/v1/presets/{slug}/versions")

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

{
  "data": [
    {
      "config": {
        "model": "openai/gpt-4o",
        "temperature": 0.7
      },
      "created_at": "2026-04-20T10:00:00Z",
      "creator_id": "user_2dHFtVWx2n56w6HkM0000000000",
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "preset_id": "650e8400-e29b-41d4-a716-446655440001",
      "system_prompt": "You are a helpful assistant.",
      "updated_at": "2026-04-20T10:00:00Z",
      "version": 1
    }
  ],
  "total_count": 1
}

{
  "error": {
    "code": 400,
    "message": "Invalid request parameters"
  }
}

{
  "error": {
    "code": 401,
    "message": "Missing Authentication header"
  }
}

{
  "error": {
    "code": 404,
    "message": "Resource not found"
  }
}

{
  "error": {
    "code": 500,
    "message": "Internal Server Error"
  }
}