Get session messages

Returns paginated message history with optional role filtering. This feature is enabled for selected organizations only.

GET /api/v0/sessions/{sessionId}/messages

Get session messages

cURL

curl --request GET \
  --url https://api.factory.ai/api/v0/sessions/{sessionId}/messages \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.factory.ai/api/v0/sessions/{sessionId}/messages"

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

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

print(response.text)

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

fetch('https://api.factory.ai/api/v0/sessions/{sessionId}/messages', 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.factory.ai/api/v0/sessions/{sessionId}/messages",
  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.factory.ai/api/v0/sessions/{sessionId}/messages"

	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.factory.ai/api/v0/sessions/{sessionId}/messages")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.factory.ai/api/v0/sessions/{sessionId}/messages")

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

200

{
  "messages": [
    {
      "id": "<string>",
      "content": [
        {
          "type": "text",
          "text": "<string>",
          "id": "<string>"
        }
      ],
      "createdAt": 123,
      "updatedAt": 123,
      "parentId": "<string>",
      "openaiMessageId": "<string>",
      "openaiEncryptedContent": "<string>",
      "openaiReasoningId": "<string>",
      "openaiReasoningSummary": "<string>",
      "geminiThoughtSignature": "<string>",
      "chatCompletionReasoningContent": "<string>",
      "isUserVisible": true,
      "isError": true
    }
  ],
  "pagination": {
    "hasMore": true,
    "nextCursor": "<string>"
  }
}

{
  "detail": "<string>",
  "status": 123,
  "title": "<string>",
  "metadata": {}
}

{
  "detail": "<string>",
  "status": 123,
  "title": "<string>",
  "metadata": {}
}

{
  "detail": "<string>",
  "status": 123,
  "title": "<string>",
  "metadata": {}
}

{
  "detail": "<string>",
  "status": 123,
  "title": "<string>",
  "metadata": {}
}

{
  "detail": "<string>",
  "status": 123,
  "title": "<string>",
  "metadata": {}
}

Authorizations

Authorization · string · header · required

Factory API key or JWT token for authentication

Path Parameters

sessionId · string · required

Query Parameters

limit · string · default: 20

Maximum number of items to return (1-100)

cursor · string

Cursor for pagination

computerId · string

Computer ID to query directly

role · enum<string>

Filter messages by role

Available options: user, assistant, tool

Response

200

application/json

Response for status 200

messages · object[] · required

Show child attributes

pagination · object · required

Show child attributes