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Get information about a file or directory ​
OpenAPI ​
yaml
openapi: 3.1.0
info:
title: Kernel API
description: Developer tools and cloud infrastructure for AI agents to use web browsers
version: 0.1.0
servers:
- url: https://api.onkernel.com
description: API Server
security:
- bearerAuth: []
tags:
- name: Browsers
description: Create and manage browser sessions.
- name: Browser Replays
description: Record and manage browser session video replays.
- name: Profiles
description: Create, list, retrieve, and delete browser profiles.
- name: Browser Filesystem
description: Read, write, and manage files on the browser instance.
- name: Browser Computer Controls
description: Control mouse, keyboard, and screen on the browser instance.
- name: Browser Playwright
description: Execute Playwright code against the browser instance.
- name: Browser Processes
description: Execute and manage processes on the browser instance.
- name: Browser Logs
description: Stream logs from the browser instance.
- name: Extensions
description: Create, list, retrieve, and delete browser extensions.
- name: Proxies
description: Create and manage proxy configurations for routing browser traffic.
- name: Browser Pools
description: Create and manage browser pools for acquiring and releasing browsers.
- name: Managed Auth
description: >-
Create and manage auth connections for automated credential capture and
login.
- name: Credentials
description: Create and manage credentials for authentication.
- name: Credential Providers
description: Configure external credential providers like 1Password.
- name: Apps
description: List applications and versions.
- name: Deployments
description: Create and manage app deployments and stream deployment events.
- name: Invocations
description: Invoke actions and stream or query invocation status and events.
- name: Projects
description: Create and manage projects for resource isolation within an organization.
paths:
/browsers/{id}/fs/file_info:
get:
tags:
- Browser Filesystem
summary: Get information about a file or directory
operationId: fileInfo
parameters:
- name: id
in: path
required: true
description: Browser session ID
schema:
type: string
- name: path
in: query
required: true
schema:
type: string
pattern: ^/.*
description: Absolute path of the file or directory.
responses:
'200':
description: File information
content:
application/json:
schema:
$ref: '#/components/schemas/FileInfo'
'400':
$ref: '#/components/responses/BadRequest'
'403':
$ref: '#/components/responses/Forbidden'
'404':
$ref: '#/components/responses/NotFound'
'500':
$ref: '#/components/responses/InternalError'
security:
- bearerAuth: []
x-codeSamples:
- lang: JavaScript
source: >-
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.fs.fileInfo('id', { path:
'/J!' });
console.log(response.is_dir);
- lang: Python
source: |-
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.fs.file_info(
id="id",
path="/J!",
)
print(response.is_dir)
- lang: Go
source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\n\t\"github.com/kernel/kernel-go-sdk\"\n\t\"github.com/kernel/kernel-go-sdk/option\"\n)\n\nfunc main() {\n\tclient := kernel.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\tresponse, err := client.Browsers.Fs.FileInfo(\n\t\tcontext.TODO(),\n\t\t\"id\",\n\t\tkernel.BrowserFFileInfoParams{\n\t\t\tPath: \"/J!\",\n\t\t},\n\t)\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", response.IsDir)\n}\n"
components:
schemas:
FileInfo:
type: object
required:
- name
- path
- size_bytes
- is_dir
- mod_time
- mode
properties:
name:
type: string
description: Base name of the file or directory.
path:
type: string
description: Absolute path.
size_bytes:
type: integer
description: Size in bytes. 0 for directories.
is_dir:
type: boolean
description: Whether the path is a directory.
mod_time:
type: string
format: date-time
description: Last modification time.
mode:
type: string
description: File mode bits (e.g., "drwxr-xr-x" or "-rw-r--r--").
Error:
type: object
required:
- code
- message
properties:
code:
type: string
description: Application-specific error code (machine-readable)
example: bad_request
message:
type: string
description: Human-readable error description for debugging
example: 'Missing required field: app_name'
details:
type: array
description: Additional error details (for multiple errors)
items:
$ref: '#/components/schemas/ErrorDetail'
inner_error:
$ref: '#/components/schemas/ErrorDetail'
ErrorDetail:
type: object
properties:
code:
type: string
description: Lower-level error code providing more specific detail
example: invalid_input
message:
type: string
description: Further detail about the error
example: Provided version string is not semver compliant
responses:
BadRequest:
description: Bad Request - invalid input
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
Forbidden:
description: Forbidden - insufficient permissions or plan
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
NotFound:
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
InternalError:
description: Internal Server Error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
securitySchemes:
bearerAuth:
type: http
scheme: bearer