curl --request POST \
  --url https://api.dualmindlab.tech/api/arena/dualchat \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "Write a haiku about distributed systems"
}
'

import requests

url = "https://api.dualmindlab.tech/api/arena/dualchat"

payload = { "prompt": "Write a haiku about distributed systems" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({prompt: 'Write a haiku about distributed systems'})
};

fetch('https://api.dualmindlab.tech/api/arena/dualchat', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({prompt: 'Write a haiku about distributed systems'})
};

fetch('https://api.dualmindlab.tech/api/arena/dualchat', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://api.dualmindlab.tech/api/arena/dualchat"

	payload := strings.NewReader("{\n  \"prompt\": \"Write a haiku about distributed systems\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

using RestSharp;


var options = new RestClientOptions("https://api.dualmindlab.tech/api/arena/dualchat");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "Bearer <token>");
request.AddJsonBody("{\n  \"prompt\": \"Write a haiku about distributed systems\"\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

HttpResponse<String> response = Unirest.post("https://api.dualmindlab.tech/api/arena/dualchat")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"prompt\": \"Write a haiku about distributed systems\"\n}")
  .asString();

{
  "success": true,
  "agent1": {
    "object": "ai.response",
    "output": {
      "type": "message",
      "content": [
        {
          "type": "output_text",
          "text": "Packets cross the sea / two clocks disagree on now / quorum settles it"
        }
      ]
    },
    "success": true,
    "message": "Packets cross the sea / two clocks disagree on now / quorum settles it",
    "model": {
      "name": "llama-3.3-70b-versatile",
      "displayName": "Llama 3.3 70B Versatile",
      "provider": "groq"
    },
    "prompt": "Write a haiku about distributed systems",
    "selectionMode": "random",
    "responseTimeMs": 1880,
    "usage": {
      "promptTokens": 9,
      "completionTokens": 19,
      "totalTokens": 28
    },
    "timestamp": "2026-10-17T12:00:00Z"
  },
  "agent2": {
    "object": "ai.response",
    "output": {
      "type": "message",
      "content": [
        {
          "type": "output_text",
          "text": "Nodes drift apart / consensus is a rumour / the log remembers"
        }
      ]
    },
    "success": true,
    "message": "Nodes drift apart / consensus is a rumour / the log remembers",
    "model": {
      "name": "gemini-2.5-flash",
      "displayName": "Gemini 2.5 Flash",
      "provider": "google"
    },
    "prompt": "Write a haiku about distributed systems",
    "selectionMode": "random",
    "responseTimeMs": 1880,
    "usage": {
      "promptTokens": 9,
      "completionTokens": 17,
      "totalTokens": 26
    },
    "timestamp": "2026-10-17T12:00:00Z"
  },
  "comparisonId": "3f6c1a2b-9d4e-4f7a-8b1c-0e2d3f4a5b6c",
  "arena": {
    "comparison": {
      "winnerByLength": "agent1",
      "winnerByTokens": "agent1",
      "verdict": "Agent 1 produced the longer, more token-heavy answer.",
      "agent1MessageLength": 70,
      "agent2MessageLength": 61,
      "agent1Tokens": 28,
      "agent2Tokens": 26
    },
    "models": {
      "agent1": "llama-3.3-70b-versatile",
      "agent2": "gemini-2.5-flash"
    }
  },
  "timestamp": "2026-10-17T12:00:02Z",
  "totalResponseTimeMs": 1880
}

{
  "object": "ai.error",
  "code": "INVALID_REQUEST",
  "message": "Prompt is required and cannot be empty",
  "timestamp": "2026-10-17T12:00:00Z"
}

{
  "object": "ai.error",
  "code": "INVALID_REQUEST",
  "message": "<string>",
  "timestamp": "2023-11-07T05:31:56Z"
}