This section describes the standard formats used.


Amounts are integer numbers in cents. For examples, the value for 10,28€ is 1028.


Currencies use ISO 4217 codes


Rates such as the interest rate and daily fees rates are in percentage.

Add your own data!

All objects that you can create have a metadata field that is yours. The field is an object. You can place your custom data inside this.

An example within an Invoice is:

  "invoice_id": "INVOICE_1234",
  "metadata": {
    "your_custom_field_1": "your custom value",
    "your_custom_field_2": 12345,
    "quickbooks_reference": "quick_1234"