Create Browser Session

Launch a new cloud browser session in a sandboxed environment.

POST /browser

Create a browser session

cURL

curl --request POST \
  --url https://api.firecrawl.dev/v2/browser \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "ttl": 300,
  "activityTtl": 1805,
  "streamWebView": true
}
'

import requests

url = "https://api.firecrawl.dev/v2/browser"

payload = {
    "ttl": 300,
    "activityTtl": 1805,
    "streamWebView": True
}
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({ttl: 300, activityTtl: 1805, streamWebView: true})
};

fetch('https://api.firecrawl.dev/v2/browser', 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.firecrawl.dev/v2/browser",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'ttl' => 300,
    'activityTtl' => 1805,
    'streamWebView' => true
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.firecrawl.dev/v2/browser"

	payload := strings.NewReader("{\n  \"ttl\": 300,\n  \"activityTtl\": 1805,\n  \"streamWebView\": true\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))

}

HttpResponse<String> response = Unirest.post("https://api.firecrawl.dev/v2/browser")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"ttl\": 300,\n  \"activityTtl\": 1805,\n  \"streamWebView\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.firecrawl.dev/v2/browser")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"ttl\": 300,\n  \"activityTtl\": 1805,\n  \"streamWebView\": true\n}"

response = http.request(request)
puts response.read_body

200

{
  "success": true,
  "id": "<string>",
  "cdpUrl": "<string>",
  "liveViewUrl": "<string>",
  "interactiveLiveViewUrl": "<string>",
  "expiresAt": "2023-11-07T05:31:56Z"
}

{
  "error": "Payment required to access this resource."
}

Headers

Header	Value
Authorization	Bearer <API_KEY>
Content-Type	application/json

Request Body

Parameter	Type	Required	Default	Description
ttl	number	No	600	Total session lifetime in seconds (30-3600)
activityTtl	number	No	300	Seconds of inactivity before session is destroyed (10-3600)
profile	object	No	—	Enable persistent storage across sessions. See below.
profile.name	string	Yes*	—	Name for the profile (1-128 chars). Sessions with the same name share storage.
profile.saveChanges	boolean	No	true	When true, browser state is saved back to the profile on close. Set to false to load existing data without writing. Only one saver is allowed at a time.

Response

Field	Type	Description
success	boolean	Whether the session was created
id	string	Unique session identifier
cdpUrl	string	WebSocket URL for CDP connections
liveViewUrl	string	URL to watch the session in real time
interactiveLiveViewUrl	string	URL to interact with the session in real time (click, type, scroll)
expiresAt	string	When the session will expire based on TTL

Example Request

curl -X POST "https://api.firecrawl.dev/v2/browser" \
  -H "Authorization: Bearer $FIRECRAWL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "ttl": 120
  }'

Example Response

{
  "success": true,
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "cdpUrl": "wss://cdp-proxy.firecrawl.dev/cdp/550e8400-e29b-41d4-a716-446655440000",
  "liveViewUrl": "https://liveview.firecrawl.dev/550e8400-e29b-41d4-a716-446655440000",
  "interactiveLiveViewUrl": "https://liveview.firecrawl.dev/550e8400-e29b-41d4-a716-446655440000?interactive=true"
}

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json

ttl · integer · default: 300

Total time-to-live in seconds for the browser session

Required range: 30 <= x <= 3600

activityTtl · integer

Time in seconds before the session is destroyed due to inactivity

Required range: 10 <= x <= 3600

streamWebView · boolean · default: true

Whether to stream a live view of the browser

profile · object

Enable persistent storage across browser sessions. Data saved in one session can be loaded in a later session using the same name.

Show child attributes

Response

200

application/json

Browser session created successfully

success · boolean

id · string

The unique session identifier

cdpUrl · string

WebSocket URL for Chrome DevTools Protocol access

liveViewUrl · string

URL to view the browser session in real time

interactiveLiveViewUrl · string

URL to interact with the browser session in real time (click, type, scroll)

expiresAt · string<date-time>

When the session will expire based on TTL