Visual Basic 6.0 HMRC VAT MTD: Submit VAT return for period

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Submit VAT return for period

Documentation: https://developer.service.hmrc.gov.uk/api-documentation/docs/api/service/vat-api/1.0#_submit-vat-return-for-period_post_accordion

CURL Command

curl -X POST  https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/returns \
-H 'Authorization: Bearer HMRC_ACCESS_TOKEN' \
-H 'Accept: application/vnd.hmrc.1.0+json' \
-H 'Content-Type: application/json' \
-d '{
  "periodKey": "A001",
  "vatDueSales": 105.50,
  "vatDueAcquisitions": -100.45,
  "totalVatDue": 5.05,
  "vatReclaimedCurrPeriod": 105.15,
  "netVatDue": 100.10,
  "totalValueSalesExVAT": 300,
  "totalValuePurchasesExVAT": 300,
  "totalValueGoodsSuppliedExVAT": 3000,
  "totalAcquisitionsExVAT": 3000,
  "finalised": true
}'

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/returns
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

'  See the Online Tool for Generating JSON Creation Code
Dim json As New ChilkatJsonObject
success = json.UpdateString("periodKey","A001")
success = json.UpdateNumber("vatDueSales","105.50")
success = json.UpdateNumber("vatDueAcquisitions","-100.45")
success = json.UpdateNumber("totalVatDue","5.05")
success = json.UpdateNumber("vatReclaimedCurrPeriod","105.15")
success = json.UpdateNumber("netVatDue","100.10")
success = json.UpdateNumber("totalValueSalesExVAT","300")
success = json.UpdateNumber("totalValuePurchasesExVAT","300")
success = json.UpdateNumber("totalValueGoodsSuppliedExVAT","3000")
success = json.UpdateNumber("totalAcquisitionsExVAT","3000")
success = json.UpdateBool("finalised",1)

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

Dim sbRequestBody As New ChilkatStringBuilder
success = json.EmitSb(sbRequestBody)
Dim sbResponseBody As New ChilkatStringBuilder
success = rest.FullRequestSb("POST","/organisations/vat/MY_HMRC_VRN/returns",sbRequestBody,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 processingDate As String
Dim paymentIndicator As String
Dim formBundleNumber As String

processingDate = jsonResponse.StringOf("processingDate")
paymentIndicator = jsonResponse.StringOf("paymentIndicator")
formBundleNumber = jsonResponse.StringOf("formBundleNumber")

Sample JSON Response Body

{
  "processingDate": "2019-02-18T14:37:56.561Z",
  "paymentIndicator": "BANK",
  "formBundleNumber": "948551092841"
}