Documentation

Sandbox

E2B cloud sandbox is a secure and isolated cloud environment. The sandbox allows you to:

Access Linux OS
Create, list, and delete files and directories
Run commands
Run isolated code
Access the internet

Check docs here. Use Sandbox.create to create a new sandbox.

Example

import { Sandbox } from 'e2b'

const sandbox = await Sandbox.create()

Properties

Property	Modifier	Type	Description
`commands`	`readonly`	`Commands`	Module for running commands in the sandbox
`files`	`readonly`	`Filesystem`	Module for interacting with the sandbox filesystem
`pty`	`readonly`	`Pty`	Module for interacting with the sandbox pseudo-terminals
`sandboxDomain`	`readonly`	`string`	Domain where the sandbox is hosted.
`sandboxId`	`readonly`	`string`	Unique identifier of the sandbox.

Methods

betaGetMcpUrl()

betaGetMcpUrl(): string

Beta This feature is in beta and may change in the future. Get the MCP URL for the sandbox.

Returns

string MCP URL for the sandbox.

betaPause()

betaPause(opts?: ConnectionOpts): Promise<boolean>

Beta This feature is in beta and may change in the future. Pause a sandbox by its ID.

Parameters

Parameter	Type	Description
`opts`?	`ConnectionOpts`	connection options.

Returns

Promise<boolean> sandbox ID that can be used to resume the sandbox.

connect()

connect(opts?: SandboxBetaCreateOpts): Promise<Sandbox>

Connect to a sandbox. If the sandbox is paused, it will be automatically resumed. Sandbox must be either running or be paused. With sandbox ID you can connect to the same sandbox from different places or environments (serverless functions, etc).

Parameters

Parameter	Type	Description
`opts`?	`SandboxBetaCreateOpts`	connection options.

Returns

Promise<Sandbox> A running sandbox instance

Example

const sandbox = await Sandbox.create()
await sandbox.betaPause()

// Connect to the same sandbox.
const sameSandbox = await sandbox.connect()

downloadUrl()

downloadUrl(path: string, opts?: SandboxUrlOpts): Promise<string>

Get the URL to download a file from the sandbox.

Parameters

Parameter	Type	Description
`path`	`string`	path to the file in the sandbox.
`opts`?	`SandboxUrlOpts`	download url options.

Returns

Promise<string> URL for downloading file.

getHost()

getHost(port: number): string

Get the host address for the specified sandbox port. You can then use this address to connect to the sandbox port from outside the sandbox via HTTP or WebSocket.

Parameters

Parameter	Type	Description
`port`	`number`	number of the port in the sandbox.

Returns

string host address of the sandbox port.

Example

const sandbox = await Sandbox.create()
// Start an HTTP server
await sandbox.commands.exec('python3 -m http.server 3000')
// Get the hostname of the HTTP server
const serverURL = sandbox.getHost(3000)

getInfo()

getInfo(opts?: Pick<SandboxOpts, "requestTimeoutMs">): Promise<SandboxInfo>

Get sandbox information like sandbox ID, template, metadata, started at/end at date.

Parameters

Parameter	Type	Description
`opts`?	`Pick`<`SandboxOpts`, `"requestTimeoutMs"`>	connection options.

Returns

Promise<SandboxInfo> information about the sandbox

getMetrics()

getMetrics(opts?: SandboxMetricsOpts): Promise<SandboxMetrics[]>

Get the metrics of the sandbox.

Parameters

Parameter	Type	Description
`opts`?	`SandboxMetricsOpts`	connection options.

Returns

Promise<SandboxMetrics[]> List of sandbox metrics containing CPU, memory and disk usage information.

isRunning()

isRunning(opts?: Pick<ConnectionOpts, "requestTimeoutMs">): Promise<boolean>

Check if the sandbox is running.

Parameters

Parameter	Type
`opts`?	`Pick`<`ConnectionOpts`, `"requestTimeoutMs"`>

Returns

Promise<boolean> true if the sandbox is running, false otherwise.

Example

const sandbox = await Sandbox.create()
await sandbox.isRunning() // Returns true

await sandbox.kill()
await sandbox.isRunning() // Returns false

kill()

kill(opts?: Pick<SandboxOpts, "requestTimeoutMs">): Promise<void>

Kill the sandbox.

Parameters

Parameter	Type	Description
`opts`?	`Pick`<`SandboxOpts`, `"requestTimeoutMs"`>	connection options.

Returns

Promise<void>

setTimeout()

setTimeout(timeoutMs: number, opts?: Pick<SandboxOpts, "requestTimeoutMs">): Promise<void>

Set the timeout of the sandbox. After the timeout expires the sandbox will be automatically killed. This method can extend or reduce the sandbox timeout set when creating the sandbox or from the last call to .setTimeout. Maximum time a sandbox can be kept alive is 24 hours (86_400_000 milliseconds) for Pro users and 1 hour (3_600_000 milliseconds) for Hobby users.

Parameters

Parameter	Type	Description
`timeoutMs`	`number`	timeout in milliseconds.
`opts`?	`Pick`<`SandboxOpts`, `"requestTimeoutMs"`>	connection options.

Returns

Promise<void>

uploadUrl()

uploadUrl(path?: string, opts?: SandboxUrlOpts): Promise<string>

Get the URL to upload a file to the sandbox. You have to send a POST request to this URL with the file as multipart/form-data.

Parameters

Parameter	Type	Description
`path`?	`string`	path to the file in the sandbox.
`opts`?	`SandboxUrlOpts`	download url options.

Returns

Promise<string> URL for uploading file.

betaCreate()

betaCreate(this, opts)

static betaCreate<S>(this: S, opts?: SandboxBetaCreateOpts): Promise<InstanceType<S>>

Beta This feature is in beta and may change in the future. Create a new sandbox from the default base sandbox template.

Type Parameters

Type Parameter
`S` extends typeof `Sandbox`

Parameters

Parameter	Type	Description
`this`	`S`	-
`opts`?	`SandboxBetaCreateOpts`	connection options.

Returns

Promise<InstanceType<S>> sandbox instance for the new sandbox.

Example

const sandbox = await Sandbox.betaCreate()

Constructs

Sandbox

betaCreate(this, template, opts)

static betaCreate<S>(
   this: S, 
   template: string, 
opts?: SandboxBetaCreateOpts): Promise<InstanceType<S>>

Beta This feature is in beta and may change in the future. Create a new sandbox from the specified sandbox template.

Type Parameters

Type Parameter
`S` extends typeof `Sandbox`

Parameters

Parameter	Type	Description
`this`	`S`	-
`template`	`string`	sandbox template name or ID.
`opts`?	`SandboxBetaCreateOpts`	connection options.

Returns

Promise<InstanceType<S>> sandbox instance for the new sandbox.

Example

const sandbox = await Sandbox.betaCreate('<template-name-or-id>')

Constructs

Sandbox

betaPause()

static betaPause(sandboxId: string, opts?: SandboxApiOpts): Promise<boolean>

Pause the sandbox specified by sandbox ID.

Parameters

Parameter	Type	Description
`sandboxId`	`string`	sandbox ID.
`opts`?	`SandboxApiOpts`	connection options.

Returns

Promise<boolean> true if the sandbox got paused, false if the sandbox was already paused.

connect()

static connect<S>(
   this: S, 
   sandboxId: string, 
opts?: SandboxConnectOpts): Promise<InstanceType<S>>

Type Parameters

Type Parameter
`S` extends typeof `Sandbox`

Parameters

Parameter	Type	Description
`this`	`S`	-
`sandboxId`	`string`	sandbox ID.
`opts`?	`SandboxConnectOpts`	connection options.

Returns

Promise<InstanceType<S>> A running sandbox instance

Example

const sandbox = await Sandbox.create()
const sandboxId = sandbox.sandboxId

// Connect to the same sandbox.
const sameSandbox = await Sandbox.connect(sandboxId)

create()

create(this, opts)

static create<S>(this: S, opts?: SandboxOpts): Promise<InstanceType<S>>

Create a new sandbox from the default base sandbox template.

Type Parameters

Type Parameter
`S` extends typeof `Sandbox`

Parameters

Parameter	Type	Description
`this`	`S`	-
`opts`?	`SandboxOpts`	connection options.

Returns

Promise<InstanceType<S>> sandbox instance for the new sandbox.

Example

const sandbox = await Sandbox.create()

Constructs

Sandbox

create(this, template, opts)

static create<S>(
   this: S, 
   template: string, 
opts?: SandboxOpts): Promise<InstanceType<S>>

Create a new sandbox from the specified sandbox template.

Type Parameters

Type Parameter
`S` extends typeof `Sandbox`

Parameters

Parameter	Type	Description
`this`	`S`	-
`template`	`string`	sandbox template name or ID.
`opts`?	`SandboxOpts`	connection options.

Returns

Promise<InstanceType<S>> sandbox instance for the new sandbox.

Example

const sandbox = await Sandbox.create('<template-name-or-id>')

Constructs

Sandbox

getFullInfo()

static getFullInfo(sandboxId: string, opts?: SandboxApiOpts): Promise<object>

Parameters

Parameter	Type
`sandboxId`	`string`
`opts`?	`SandboxApiOpts`

Returns

Promise<object>

Name	Type	Default value
`cpuCount`	`number`	res.data.cpuCount
`endAt`	`Date`	-
`envdAccessToken`	`undefined` \| `string`	res.data.envdAccessToken
`envdVersion`	`string`	res.data.envdVersion
`memoryMB`	`number`	res.data.memoryMB
`metadata`	`object`	-
`name`?	`string`	res.data.alias
`sandboxDomain`	`undefined` \| `string`	-
`sandboxId`	`string`	res.data.sandboxID
`startedAt`	`Date`	-
`state`	`"running"` \| `"paused"`	res.data.state
`templateId`	`string`	res.data.templateID

getInfo()

static getInfo(sandboxId: string, opts?: SandboxApiOpts): Promise<SandboxInfo>

Get sandbox information like sandbox ID, template, metadata, started at/end at date.

Parameters

Parameter	Type	Description
`sandboxId`	`string`	sandbox ID.
`opts`?	`SandboxApiOpts`	connection options.

Returns

Promise<SandboxInfo> sandbox information.

getMetrics()

static getMetrics(sandboxId: string, opts?: SandboxMetricsOpts): Promise<SandboxMetrics[]>

Get the metrics of the sandbox.

Parameters

Parameter	Type	Description
`sandboxId`	`string`	sandbox ID.
`opts`?	`SandboxMetricsOpts`	sandbox metrics options.

Returns

Promise<SandboxMetrics[]> List of sandbox metrics containing CPU, memory and disk usage information.

kill()

static kill(sandboxId: string, opts?: SandboxApiOpts): Promise<boolean>

Kill the sandbox specified by sandbox ID.

Parameters

Parameter	Type	Description
`sandboxId`	`string`	sandbox ID.
`opts`?	`SandboxApiOpts`	connection options.

Returns

Promise<boolean> true if the sandbox was found and killed, false otherwise.

list()

static list(opts?: SandboxListOpts): SandboxPaginator

List all sandboxes.

Parameters

Parameter	Type	Description
`opts`?	`SandboxListOpts`	connection options.

Returns

SandboxPaginator paginator for listing sandboxes.

setTimeout()

static setTimeout(
   sandboxId: string, 
   timeoutMs: number, 
opts?: SandboxApiOpts): Promise<void>

Set the timeout of the specified sandbox. After the timeout expires the sandbox will be automatically killed. This method can extend or reduce the sandbox timeout set when creating the sandbox or from the last call to Sandbox.setTimeout. Maximum time a sandbox can be kept alive is 24 hours (86_400_000 milliseconds) for Pro users and 1 hour (3_600_000 milliseconds) for Hobby users.

Parameters

Parameter	Type	Description
`sandboxId`	`string`	sandbox ID.
`timeoutMs`	`number`	timeout in milliseconds.
`opts`?	`SandboxApiOpts`	connection options.

Returns

Promise<void>

Interfaces

SandboxUrlOpts

Options for sandbox upload/download URL generation.

Properties

user?

optional user: Username;

User that will be used to access the file.

useSignatureExpiration?

optional useSignatureExpiration: number;

Use signature expiration for the URL. Optional parameter to set the expiration time for the signature in seconds.

​Sandbox

​Example

​Properties

​Methods

​betaGetMcpUrl()

Returns

​betaPause()

Parameters

Returns

​connect()

Parameters

Returns

Example

​downloadUrl()

Parameters

Returns

​getHost()

Parameters

Returns

Example

​getInfo()

Parameters

Returns

​getMetrics()

Parameters

Returns

​isRunning()

Parameters

Returns

Example

​kill()

Parameters

Returns

​setTimeout()

Parameters

Returns

​uploadUrl()

Parameters

Returns

​betaCreate()

betaCreate(this, opts)

Type Parameters

Parameters

Returns

Example

Constructs

betaCreate(this, template, opts)

Type Parameters

Parameters

Returns

Example

Constructs

​betaPause()

Parameters

Returns

​connect()

Type Parameters

Parameters

Returns

Example

​create()

create(this, opts)

Type Parameters

Parameters

Returns

Example

Constructs

create(this, template, opts)

Type Parameters

Parameters

Returns

Example

Constructs

​getFullInfo()

Parameters

Returns

​getInfo()

Parameters

Returns

​getMetrics()

Sandbox

Example

Properties

Methods

betaGetMcpUrl()

betaPause()

connect()

downloadUrl()

getHost()

getInfo()

getMetrics()

isRunning()

kill()

setTimeout()

uploadUrl()

betaCreate()

betaPause()

connect()

create()

getFullInfo()

getInfo()

getMetrics()

kill()

list()

setTimeout()

Interfaces

SandboxUrlOpts

Properties

user?

useSignatureExpiration?