E2B

At a glance

Set these per environment. See Connect an integration.

Variable	Required	Description
`E2B_API_KEY`	Yes	E2B API key (starts with e2b_), created in the E2B Dashboard under Keys; same env var used by the E2B SDKs and CLI Docs.

Create an E2B account: Sign up at https://e2b.dev - the free hobby tier includes sandbox usage credits, so no payment method is needed to test.
Get an API key: Open the E2B Dashboard (https://e2b.dev/dashboard), go to the Keys tab, and copy your API key (starts with e2b_) or create a new one.
Set the environment variable: Copy the key into your .env as E2B_API_KEY.
Verify access: Run List Templates and List Sandboxes to confirm the key works.

The platform REST API is served on https://api.e2b.app and authenticates with the X-API-Key header
Sandboxes are killed automatically when their timeout (TTL) elapses unless autoPause is set
Running sandboxes consume billable compute - kill sandboxes you no longer need
Code execution, filesystem, and process control inside a sandbox are SDK-first (served per sandbox on {port}-{sandboxID}.e2b.app) and are not covered by these platform tools

Tool	Access	Description
List Sandboxes	Read	List all running sandboxes, optionally filtered by metadata key/value pairs
Create Sandbox	Write	Create a new sandbox from a template (starts a billable running sandbox)
Get Sandbox	Read	Get a sandbox by ID, including template, state, resources, and start/end times
Kill Sandbox	Write	Kill a sandbox by ID, immediately terminating it and discarding its state
List Templates	Read	List all sandbox templates available to the account, with CPU, memory, and disk defaults
Pause Sandbox	Write	Pause a running sandbox, preserving its state so it can be resumed later - the middle ground between running and killed (returns 204 on success)
Resume Sandbox	Write	Resume a paused sandbox with its preserved state and a fresh timeout
Set Sandbox Timeout	Write	Reset a running sandbox’s TTL: the sandbox will expire the given number of seconds from now (each call overwrites the previous timeout) - use this to keep a sandbox alive mid-task (returns 204 on success)

List my running E2B sandboxes with their template, state, and expiry time.
Create a new E2B sandbox from the base template with a 5 minute timeout and show me its ID.
List my running E2B sandboxes and kill any that I confirm are no longer needed.