curl --request GET \
  --url https://api.ledger.so/v1/cards/{cardId}/policy \
  --header 'Api-Key: <api-key>'

{
  "cardId": "<string>",
  "ttl": {
    "minutes": 123,
    "expiresAt": 123,
    "isExpired": true,
    "onExpiry": "freeze"
  },
  "activeHours": {
    "start": 11,
    "end": 11,
    "timezone": "<string>",
    "activeDays": [
      3
    ],
    "isWithinActiveHours": true
  },
  "cumulative": {
    "max": 123,
    "spent": 123,
    "remaining": 123
  },
  "cooldown": {
    "minutes": 123,
    "lastTransactionAt": 123,
    "cooldownEndsAt": 123,
    "isInCooldown": true
  },
  "authCount": {
    "max": 123,
    "current": 123,
    "remaining": 123
  },
  "attestation": {
    "required": true,
    "intentTolerance": 123
  },
  "merchantDrift": {
    "action": "freeze",
    "pinnedMerchant": "<string>"
  }
}