> For the complete documentation index, see [llms.txt](https://developer.ivvy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.ivvy.com/invoice/get-options.md).

# Get Options

## Get Options

<mark style="color:green;">`POST`</mark> `[PlatformAddress]/api/1.0/invoice?action=getOptions`

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No Parameters Required

The invoice and item response contains a field called "refType". These are constants in the iVvy system to match the invoice or item to a specific entity. To find out a description of what these constants refer to, you can make a call to the api to get the complete list

## Returns

| Property             | Description                                                                                        |
| -------------------- | -------------------------------------------------------------------------------------------------- |
| invoiceRefTypes      | The refType identifier and description of refTypes found in the invoice response.                  |
| invoiceLineRefTypes  | The refType identifier and description of refTypes found in the items of the invoice response.     |
| paymentMethods       | The complete list of payment methods that might appear against a payment made on an invoice        |
| customPaymentMethods | The complete list of custom payment methods that might appear against a payment made on an invoice |