PowerBuilder 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'

PowerBuilder Example

integer li_rc
oleobject loo_Rest
integer li_Success
integer li_BTls
integer li_Port
integer li_BAutoReconnect
oleobject loo_SbResponseBody
integer li_RespStatusCode
oleobject loo_JsonResponse
integer i
integer li_Count_i
string ls_TaxPeriodFrom
string ls_TaxPeriodTo
string ls_Type
string ls_OriginalAmount
string ls_OutstandingAmount
string ls_Due

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat_9_5_0.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

//  URL: https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17
li_BTls = 1
li_Port = 443
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("test-api.service.hmrc.gov.uk",li_Port,li_BTls,li_BAutoReconnect)
if li_Success <> 1 then
    Write-Debug "ConnectFailReason: " + string(loo_Rest.ConnectFailReason)
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    return
end if

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

loo_SbResponseBody = create oleobject
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET","/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17",loo_SbResponseBody)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_SbResponseBody
    return
end if

li_RespStatusCode = loo_Rest.ResponseStatusCode
if li_RespStatusCode >= 400 then
    Write-Debug "Response Status Code = " + string(li_RespStatusCode)
    Write-Debug "Response Header:"
    Write-Debug loo_Rest.ResponseHeader
    Write-Debug "Response Body:"
    Write-Debug loo_SbResponseBody.GetAsString()
    destroy loo_Rest
    destroy loo_SbResponseBody
    return
end if

loo_JsonResponse = create oleobject
li_rc = loo_JsonResponse.ConnectToNewObject("Chilkat_9_5_0.JsonObject")

loo_JsonResponse.LoadSb(loo_SbResponseBody)

//  See the Online Tool for Generating JSON Parse Code

i = 0
li_Count_i = loo_JsonResponse.SizeOfArray("liabilities")
do while i < li_Count_i
    loo_JsonResponse.I = i
    ls_TaxPeriodFrom = loo_JsonResponse.StringOf("liabilities[i].taxPeriod.from")
    ls_TaxPeriodTo = loo_JsonResponse.StringOf("liabilities[i].taxPeriod.to")
    ls_Type = loo_JsonResponse.StringOf("liabilities[i].type")
    ls_OriginalAmount = loo_JsonResponse.StringOf("liabilities[i].originalAmount")
    ls_OutstandingAmount = loo_JsonResponse.StringOf("liabilities[i].outstandingAmount")
    ls_Due = loo_JsonResponse.StringOf("liabilities[i].due")
    i = i + 1
loop


destroy loo_Rest
destroy loo_SbResponseBody
destroy loo_JsonResponse

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"
    }
  ]
}