Extend and interact with
            Commission Factory
        
Retrieves a single invoice by its ID.
GET https://api.commissionfactory.com/V1/Affiliate/Invoices/[id]?apiKey=[apiKey]
| Name | Type | Description | 
|---|---|---|
| id Required | Integer | The ID of a single invoice to retrieve. | 
| apiKey Required | String | A valid API key that represents an affiliate account. | 
| Type | Description | 
|---|---|
| Invoice | Represents a single invoice. | 
| Error | Description | 
|---|---|
| 400 Bad Request | One or more parameters could not be parsed correctly. | 
| 401 Unauthorised | The API key is missing, invalid, or for a different account type; or the user account has been suspended or closed. | 
| 404 Not Found | The requested item could not be found. | 
| 429 Too Many Requests | The API call rate limit for the user account has been exceeded. | 
| 500 Internal Server Error | An unexpected error occurred while processing your request. | 
GET /V1/Affiliate/Invoices/1?apiKey=ABC123 HTTP/1.1 Accept: application/json Host: api.commissionfactory.com
GET /V1/Affiliate/Invoices/1?apiKey=ABC123 HTTP/1.1 Accept: application/xml Host: api.commissionfactory.com
{
    "Id": 1,
    "DateCreated": "2000-01-01T00:00:00.000",
    "DatePaid": "2000-01-01T00:00:00.000",
    "Number": "CF-1-0001",
    "Description": "Commissions up to 1/01/2000",
    "SubTotal": 100.0000,
    "GST": null,
    "Total": 100.0000
}
        <Invoice xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="https://api.commissionfactory.com/V1/Affiliate">
    <Id>1</Id>
    <DateCreated>2000-01-01T00:00:00.000</DateCreated>
    <DatePaid>2000-01-01T00:00:00.000</DatePaid>
    <Number>CF-1-0001</Number>
    <Description>Commissions up to 1/01/2000</Description>
    <SubTotal>100.0000</SubTotal>
    <GST>null</GST>
    <Total>100.0000</Total>
</Invoice>