curl --request GET \
  --url https://api.usebila.com/api/v1/bila/transactions/{id} \
  --header 'x-api-key: <api-key>'

{
  "status": true,
  "message": "Operation completed successfully",
  "data": {
    "id": "txn-001",
    "type": "credit",
    "amount": 1000,
    "currency": "ZMW",
    "status": "successful",
    "accountId": "acc-001",
    "balanceBefore": 5000,
    "balanceAfter": 6000,
    "createdAt": "2024-01-15T10:30:00Z",
    "description": "Mobile money collection",
    "reference": "order-12345"
  }
}