C++ 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'

C++ Example

#include <CkRest.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkRest rest;
    bool success;

    //  URL: https://test-api.service.hmrc.gov.uk/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    success = rest.Connect("test-api.service.hmrc.gov.uk",port,bTls,bAutoReconnect);
    if (success != true) {
        std::cout << "ConnectFailReason: " << rest.get_ConnectFailReason() << "\r\n";
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

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

    CkStringBuilder sbResponseBody;
    success = rest.FullRequestNoBodySb("GET","/organisations/vat/MY_HMRC_VRN/liabilities?from=2018-06-25&to=2019-02-17",sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        std::cout << "Response Status Code = " << respStatusCode << "\r\n";
        std::cout << "Response Header:" << "\r\n";
        std::cout << rest.responseHeader() << "\r\n";
        std::cout << "Response Body:" << "\r\n";
        std::cout << sbResponseBody.getAsString() << "\r\n";
        return;
    }

    CkJsonObject jsonResponse;
    jsonResponse.LoadSb(sbResponseBody);

    //  See the Online Tool for Generating JSON Parse Code
    int i;
    int count_i;
    const char *taxPeriodFrom = 0;
    const char *taxPeriodTo = 0;
    const char *type = 0;
    const char *originalAmount = 0;
    const char *outstandingAmount = 0;
    const char *due = 0;

    i = 0;
    count_i = jsonResponse.SizeOfArray("liabilities");
    while (i < count_i) {
        jsonResponse.put_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;
    }
    }

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"
    }
  ]
}