curl --request POST \
  --url https://api.ledger.so/v1/agents \
  --header 'Api-Key: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "userId": "<string>",
  "name": "<string>",
  "description": "<string>",
  "spendingLimit": 123,
  "spendingLimitFrequency": "perTransaction",
  "onLimitExceeded": "suspend",
  "maxCards": 123,
  "defaultCardLimit": 123,
  "defaultCardLimitFrequency": "perTransaction",
  "metadata": {}
}
'

{
  "id": "<string>",
  "userId": "<string>",
  "name": "<string>",
  "status": "active",
  "createdAt": 123,
  "description": "<string>",
  "spendingLimit": 123,
  "spendingLimitFrequency": "perTransaction",
  "currentSpend": 123,
  "onLimitExceeded": "suspend",
  "maxCards": 123,
  "cardCount": 123,
  "metadata": {}
}