Visual Basic 6.0 HMRC VAT MTD: Retrieve VAT Liabilities

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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'

Visual Basic 6.0 Example

Dim rest As New ChilkatRest
Dim success As Long

'  URL: https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17
Dim bTls As Long
bTls = 1
Dim port As Long
port = 443
Dim bAutoReconnect As Long
bAutoReconnect = 1
success = rest.Connect("test-api.service.hmrc.gov.uk",port,bTls,bAutoReconnect)
If (success <> 1) Then
    Debug.Print "ConnectFailReason: " & rest.ConnectFailReason
    Debug.Print rest.LastErrorText
    Exit Sub
End If

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

Dim sbResponseBody As New ChilkatStringBuilder
success = rest.FullRequestNoBodySb("GET","/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17",sbResponseBody)
If (success <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

Dim respStatusCode As Long
respStatusCode = rest.ResponseStatusCode
If (respStatusCode >= 400) Then
    Debug.Print "Response Status Code = " & respStatusCode
    Debug.Print "Response Header:"
    Debug.Print rest.ResponseHeader
    Debug.Print "Response Body:"
    Debug.Print sbResponseBody.GetAsString()
    Exit Sub
End If

Dim jsonResponse As New ChilkatJsonObject
success = jsonResponse.LoadSb(sbResponseBody)

'  See the Online Tool for Generating JSON Parse Code
Dim i As Long
Dim count_i As Long
Dim taxPeriodFrom As String
Dim taxPeriodTo As String
Dim type As String
Dim originalAmount As String
Dim outstandingAmount As String
Dim due As String

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

Sample JSON Response Body

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