Documented steps

Install the code-interpreter SDK: 'pip install e2b-code-interpreter' (Python) or 'npm i @e2b/code-interpreter' (JS/TS).
Set E2B_API_KEY (from https://e2b.dev/dashboard?tab=keys) in your environment.
Python: 'from e2b_code_interpreter import Sandbox; with Sandbox.create() as s: exec = s.run_code("x = 21 + 21"); print(exec.text)'.
JS/TS: 'const sbx = await Sandbox.create(); const exec = await sbx.runCode("x=1; x+1"); console.log(exec.text);'.
Read results from the returned Execution: '.text' holds printed/output text; you can also pass on_stdout/on_stderr/on_result/on_error callbacks for streaming.

Known gotchas

run_code executes in a single persistent Python context by default, so variables, imports, and functions persist across consecutive run_code calls in the same sandbox (often desirable).
To isolate runs, create a separate context with create_code_context(cwd=..., language=...) and pass it as the context argument (mutually exclusive with language).
Pass a 'timeout' (seconds) to bound a single code execution; without it very long loops can hang your call.
envs can be passed to run_code to inject environment variables for that specific execution.

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Run and evaluate Python code inside an E2B sandbox (code interpreter)

Documented steps

Known gotchas

Related routes

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