# WhatsAppSandboxSession
## Properties
**id** | **String** | Session id. Use this to revoke via DELETE. |
**phone_e164** | **String** | Digits-only E.164 form (no +, spaces, or dashes). |
**status** | **Status** | `pending` until the phone replies to the activation template, then `active`. Expired sessions are pruned by TTL and never appear in list responses. (enum: pending, active) |
**expires_at** | **String** | UTC timestamp at which the session becomes invalid. Pending sessions get a 24h window; activated sessions get 7 days. |
**activated_at** | Option<**String**> | When the session transitioned `pending → active`, or null. | [optional]
**created_at** | Option<**String**> | | [optional]
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