Read Draft Invoice as HTML

curl –X GET https://secure.fusebill.com/v1/draftInvoices/html/{DraftInvoiceId} \ 
-H "Content-Type: application/json" \ 
-H "Authorization: Basic {APIKey}"

//Setup API key 
string apiKey = "{APIKey}"; 
//Configure URI 
WebRequest request = WebRequest.Create("HTTPS://secure.fusebill.com/v1/draftInvoices/html/{DraftInvoiceId}"); 
//Add Content type 
request.ContentType = "application/json"; 
request.ContentLength = 0; 
//Add Api key authorization 
request.Headers.Add(HttpRequestHeader.Authorization, "Basic "+apiKey); 
//Set request method 
request.Method = "GET"; 
//Perform the request 
var httpResponse = (HttpWebResponse)request.GetResponse(); 
//Record the response from our request 
var result = ""; 
using (var streamReader = new StreamReader(httpResponse.GetResponseStream())) 
{ 
  result = streamReader.ReadToEnd(); 
}

#Import library Requests 
import requests 
#Pass in a dictionary to the Headers parameter 
headers = {'Authorization' : 'Basic {APIKey}', 'Content-Type' : 'application/json'} 
#Pass in your URI and Headers 
r = requests.get('https://secure.fusebill.com/v1/draftInvoices/html/{DraftInvoiceId}', headers=headers) 
print(r.content)

Upon success, an HTML file is returned. This will look the same as the PDF draft invoice.

{
    "ErrorId": 0,
    "HttpStatusCode": 404,
    "Errors": [
        {
            "Key": "Api Error",
            "Value": "DraftInvoice with id 1 not found."
        }
    ]
}