Start a browser session replay recording

Start recording the browser session and return a replay ID.

POST /browsers/{id}/replays

JavaScript

JavaScript

import Kernel from '@onkernel/sdk';

const client = new Kernel({
  apiKey: process.env['KERNEL_API_KEY'], // This is the default and can be omitted
});

const response = await client.browsers.replays.start('id');

console.log(response.replay_id);

import os
from kernel import Kernel

client = Kernel(
    api_key=os.environ.get("KERNEL_API_KEY"),  # This is the default and can be omitted
)
response = client.browsers.replays.start(
    id="id",
)
print(response.replay_id)

package main

import (
	"context"
	"fmt"

	"github.com/kernel/kernel-go-sdk"
	"github.com/kernel/kernel-go-sdk/option"
)

func main() {
	client := kernel.NewClient(
		option.WithAPIKey("My API Key"),
	)
	response, err := client.Browsers.Replays.Start(
		context.TODO(),
		"id",
		kernel.BrowserReplayStartParams{},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.ReplayID)
}

curl --request POST \
  --url https://api.onkernel.com/browsers/{id}/replays \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "framerate": 30,
  "max_duration_in_seconds": 2
}
'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.onkernel.com/browsers/{id}/replays",
  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([
    'framerate' => 30,
    'max_duration_in_seconds' => 2
  ]),
  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;
}

HttpResponse<String> response = Unirest.post("https://api.onkernel.com/browsers/{id}/replays")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"framerate\": 30,\n  \"max_duration_in_seconds\": 2\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.onkernel.com/browsers/{id}/replays")

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  \"framerate\": 30,\n  \"max_duration_in_seconds\": 2\n}"

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

201

{
  "replay_id": "<string>",
  "started_at": "2023-11-07T05:31:56Z",
  "finished_at": "2023-11-07T05:31:56Z",
  "replay_view_url": "https://api.onkernel.com/browser/replays?jwt=eyJ0eXAi...&replay_id=7e2c1a9f-1234-4cde-9abc-ffeedd001122"
}

{
  "code": "bad_request",
  "message": "Missing required field: app_name",
  "details": [
    {
      "code": "invalid_input",
      "message": "Provided version string is not semver compliant"
    }
  ],
  "inner_error": {
    "code": "invalid_input",
    "message": "Provided version string is not semver compliant"
  }
}

{
  "code": "bad_request",
  "message": "Missing required field: app_name",
  "details": [
    {
      "code": "invalid_input",
      "message": "Provided version string is not semver compliant"
    }
  ],
  "inner_error": {
    "code": "invalid_input",
    "message": "Provided version string is not semver compliant"
  }
}

{
  "code": "bad_request",
  "message": "Missing required field: app_name",
  "details": [
    {
      "code": "invalid_input",
      "message": "Provided version string is not semver compliant"
    }
  ],
  "inner_error": {
    "code": "invalid_input",
    "message": "Provided version string is not semver compliant"
  }
}

{
  "code": "bad_request",
  "message": "Missing required field: app_name",
  "details": [
    {
      "code": "invalid_input",
      "message": "Provided version string is not semver compliant"
    }
  ],
  "inner_error": {
    "code": "invalid_input",
    "message": "Provided version string is not semver compliant"
  }
}

{
  "code": "bad_request",
  "message": "Missing required field: app_name",
  "details": [
    {
      "code": "invalid_input",
      "message": "Provided version string is not semver compliant"
    }
  ],
  "inner_error": {
    "code": "invalid_input",
    "message": "Provided version string is not semver compliant"
  }
}

Authorizations

Authorization · string · header · required

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

Path Parameters

id · string · required

Browser session ID

Body

application/json

framerate · integer

Recording framerate in fps. Values above 20 require GPU to be enabled on the browser session.

Required range: 1 <= x <= 60

max_duration_in_seconds · integer

Maximum recording duration in seconds.

Required range: x >= 1

Response

201

application/json

Recording started successfully.

Information about a browser replay recording.

replay_id · string · required

Unique identifier for the replay recording.

started_at · string<date-time> | null

Timestamp when replay started

finished_at · string<date-time> | null

Timestamp when replay finished

replay_view_url · string

URL for viewing the replay recording.

Example:

"https://api.onkernel.com/browser/replays?jwt=eyJ0eXAi...&replay_id=7e2c1a9f-1234-4cde-9abc-ffeedd001122"