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Sandboxes · 2 November 2026

Sessions work for every sandbox

POST /v1/sandboxes/{id}/sessions, GET /v1/sandboxes/{id}/sessions and POST /v1/sandboxes/{id}/sessions/{sessionId}:revoke now work for every sandbox, and the rtsess_ token a session returns can be used with every sandbox. Previously, these requests returned 409 served_elsewhere for some newly created sandboxes. Sessions behave as before: a token reaches only its own sandbox's commands, files and previews, from the origins it lists, and is rejected with 401 on its next request once it is revoked or expires, or once the API key that created it is revoked.

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