curl --request GET \
  --url https://api.example.com/agents/{agent_id}/runs/{run_id}/checkpoints/{message_index} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.example.com/agents/{agent_id}/runs/{run_id}/checkpoints/{message_index}"

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

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

print(response.text)

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

fetch('https://api.example.com/agents/{agent_id}/runs/{run_id}/checkpoints/{message_index}', 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://api.example.com/agents/{agent_id}/runs/{run_id}/checkpoints/{message_index}",
  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://api.example.com/agents/{agent_id}/runs/{run_id}/checkpoints/{message_index}"

	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://api.example.com/agents/{agent_id}/runs/{run_id}/checkpoints/{message_index}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/agents/{agent_id}/runs/{run_id}/checkpoints/{message_index}")

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

{
  "checkpoint": {
    "checkpoint_id": "<string>",
    "run_id": "<string>",
    "session_id": "<string>",
    "message_index": 1,
    "continue_from": 1,
    "status": "<string>",
    "reason": "<string>",
    "created_at": 123,
    "message_id": "<string>",
    "message_role": "<string>",
    "message_preview": "<string>",
    "is_latest": true
  },
  "snapshot": {
    "run_id": "<string>",
    "parent_run_id": "<string>",
    "agent_id": "<string>",
    "user_id": "<string>",
    "status": "<string>",
    "run_input": "<string>",
    "content": "<string>",
    "run_response_format": "<string>",
    "reasoning_content": "<string>",
    "reasoning_steps": [
      {}
    ],
    "metrics": {},
    "messages": [
      {}
    ],
    "tools": [
      {}
    ],
    "events": [
      {}
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "references": [
      {}
    ],
    "citations": {},
    "reasoning_messages": [
      {}
    ],
    "session_state": {},
    "images": [
      {}
    ],
    "videos": [
      {}
    ],
    "audio": [
      {}
    ],
    "files": [
      {}
    ],
    "response_audio": {},
    "input_media": {},
    "followups": [
      "<string>"
    ],
    "forked_from_run_id": "<string>",
    "forked_from_message_index": 123,
    "forked_from_session_id": "<string>",
    "regenerated_from": "<string>",
    "last_checkpoint_at_message_index": 123
  }
}

{
  "detail": "Bad request",
  "error_code": "BAD_REQUEST"
}

{
  "detail": "Unauthenticated access",
  "error_code": "UNAUTHENTICATED"
}

{
  "detail": "Insufficient permissions"
}

{
  "detail": "Not found",
  "error_code": "NOT_FOUND"
}

{
  "detail": "Validation error",
  "error_code": "VALIDATION_ERROR"
}

{
  "detail": "Internal server error",
  "error_code": "INTERNAL_SERVER_ERROR"
}