Classic ASP HMRC VAT MTD: Retrieve VAT Liabilities

Retrieve VAT liabilities

Documentation: https://developer.service.hmrc.gov.uk/api-documentation/docs/api/service/vat-api/1.0#_retrieve-vat-liabilities_get_accordion

CURL Command

curl -X GET  https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17 \
-H 'Authorization: Bearer HMRC_ACCESS_TOKEN' \
-H 'Accept: application/vnd.hmrc.1.0+json'

See: Online Tool to Generate Chilkat Code from a CURL Command

Classic ASP Example

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
set rest = Server.CreateObject("Chilkat_9_5_0.Rest")

'  URL: https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17
bTls = 1
port = 443
bAutoReconnect = 1
success = rest.Connect("test-api.service.hmrc.gov.uk",port,bTls,bAutoReconnect)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "ConnectFailReason: " & rest.ConnectFailReason) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

success = rest.AddHeader("Authorization","Bearer HMRC_ACCESS_TOKEN")
success = rest.AddHeader("Accept","application/vnd.hmrc.1.0+json")

set sbResponseBody = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
success = rest.FullRequestNoBodySb("GET","/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17",sbResponseBody)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

respStatusCode = rest.ResponseStatusCode
If (respStatusCode >= 400) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code = " & respStatusCode) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Response Header:") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( rest.ResponseHeader) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Response Body:") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( sbResponseBody.GetAsString()) & "</pre>"
    Response.End
End If

set jsonResponse = Server.CreateObject("Chilkat_9_5_0.JsonObject")
success = jsonResponse.LoadSb(sbResponseBody)

'  See the Online Tool for Generating JSON Parse Code

i = 0
count_i = jsonResponse.SizeOfArray("liabilities")
Do While i < count_i
    jsonResponse.I = i
    taxPeriodFrom = jsonResponse.StringOf("liabilities[i].taxPeriod.from")
    taxPeriodTo = jsonResponse.StringOf("liabilities[i].taxPeriod.to")
    type = jsonResponse.StringOf("liabilities[i].type")
    originalAmount = jsonResponse.StringOf("liabilities[i].originalAmount")
    outstandingAmount = jsonResponse.StringOf("liabilities[i].outstandingAmount")
    due = jsonResponse.StringOf("liabilities[i].due")
    i = i + 1
Loop

%>
</body>
</html>

Sample JSON Response Body

See: Online Tool to Generate JSON Parse Code from JSON Sample

{
  "liabilities": [
    {
      "taxPeriod": {
        "from": "2018-04-06",
        "to": "2018-07-06"
      },
      "type": "VAT ...",
      "originalAmount": 6000.3,
      "outstandingAmount": 100.51,
      "due": "2018-07-06"
    }
  ]
}