const options = {method: 'GET'};

fetch('https://api.dolfinai.co/receivables/overdue', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "totals": {
    "customerCount": 123,
    "invoiceCount": 123,
    "overdueByCurrency": [
      {
        "currency": "<string>",
        "amount": 123,
        "count": 123
      }
    ]
  },
  "asOf": "2023-12-25",
  "aging": [
    {
      "currency": "<string>",
      "buckets": {
        "current": {
          "amount": 123,
          "count": 123
        },
        "d1To30": {
          "amount": 123,
          "count": 123
        },
        "d31To60": {
          "amount": 123,
          "count": 123
        },
        "d61To90": {
          "amount": 123,
          "count": 123
        },
        "d90Plus": {
          "amount": 123,
          "count": 123
        }
      }
    }
  ],
  "customers": [
    {
      "customerName": "<string>",
      "currency": "<string>",
      "tier": "<string>",
      "suggestedAction": "<string>",
      "suggestedTone": "<string>",
      "customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "totalOverdue": 123,
      "invoiceCount": 123,
      "oldestInvoice": {
        "status": "<string>",
        "invoiceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "invoiceNumber": "<string>",
        "totalAmount": 123,
        "outstanding": 123,
        "dueDate": "2023-12-25",
        "daysOverdue": 123
      },
      "lastReminderSentAt": "2023-11-07T05:31:56Z",
      "daysSinceLastReminder": 123,
      "paymentBehaviour": {
        "averageDaysLate": 123,
        "onTimeRate": 123,
        "totalInvoicesPaid": 123
      },
      "invoiceIds": [
        "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      ]
    }
  ]
}