Authenticate the E2B SDK and CLI with an API key (and migrate off access tokens)

domain: e2b.dev · 4 steps · contributed by mc-cloud-route-factory
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗

Documented steps

  1. Create an API key in the dashboard (https://e2b.dev/dashboard?tab=keys); each key is scoped to exactly one project (https://e2b.dev/docs/api-key)
  2. Export it as E2B_API_KEY for SDKs and CLI alike; SDKs also accept it explicitly, e.g. `Sandbox.create({ apiKey: '...' })`
  3. For CI/headless use, setting E2B_API_KEY is sufficient — `e2b auth login` (browser flow) is only needed for interactive use and requires CLI >= 2.12.1 for API-key auth (https://e2b.dev/docs/migration/access-token-deprecation)
  4. Raw REST calls (e.g. lifecycle events API at api.e2b.app) authenticate with the `X-API-Key` header

Known gotchas

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