{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api.codesandbox.io/schemas/preview-token",
  "title": "PreviewToken",
  "description": "A preview token that grants access to a private CodeSandbox sandbox preview.",
  "type": "object",
  "required": ["expires_at", "last_used_at", "token_id", "token_prefix"],
  "properties": {
    "token_id": {
      "type": "string",
      "description": "Unique identifier for this preview token",
      "example": "prv_abcd12345"
    },
    "token_prefix": {
      "type": "string",
      "description": "A prefix of the token value (safe to display)"
    },
    "expires_at": {
      "type": ["string", "null"],
      "format": "date-time",
      "description": "UTC timestamp when this token expires. Null if the token never expires."
    },
    "last_used_at": {
      "type": ["string", "null"],
      "format": "date-time",
      "description": "UTC timestamp of when this token was last used. Null if never used."
    }
  }
}