Account summary — plan, status, HEU usage for the current UTC month, active key count, and billing lifecycle.

{
  "plan": "free",
  "status": "string",
  "heuUsed": 0,
  "heuLimit": 0,
  "activeKeyCount": 0,
  "periodStart": "string",
  "hasStripeCustomer": true,
  "currentPeriodEnd": "string",
  "cancelAt": "string",
  "priorPlan": "starter",
  "subscriptionEndedAt": "string"
}

{
  "error": {
    "code": "string",
    "message": "string",
    "details": null
  }
}

{
  "error": {
    "code": "string",
    "message": "string",
    "details": null
  }
}