(.NET Core C#) UPS Address Validation (City, State, Zip)

Demonstrates making a call to the UPS address validation REST API.

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

bool success;

Chilkat.Http http = new Chilkat.Http();

string url = "https://wwwcie.ups.com/rest/AV";

// Send an HTTP request with the following JSON body:

// {
//   "AccessRequest": {
//     "AccessLicenseNumber": "Your Access License Number",
//     "UserId": "Your Username",
//     "Password": "Your Password"
//   },
//   "AddressValidationRequest": {
//     "Request": {
//       "TransactionReference": {
//         "CustomerContext": "Your Customer Context"
//       },
//       "RequestAction": "AV"
//     },
//     "Address": {
//       "City": "ALPHARETTA",
//       "StateProvinceCode": "GA",
//       "PostalCode": "30005"
//     }
//   }
// }

// Build the above JSON.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("AccessRequest.AccessLicenseNumber","UPS_ACCESS_KEY");
json.UpdateString("AccessRequest.UserId","UPS_USERNAME");
json.UpdateString("AccessRequest.Password","UPS_PASSWORD");
json.UpdateString("AddressValidationRequest.Request.TransactionReference.CustomerContext","Your Customer Context");
json.UpdateString("AddressValidationRequest.Request.RequestAction","AV");
json.UpdateString("AddressValidationRequest.Address.City","ALPHARETTA");
// We're making an intentional mistake here by passing CA instead of GA.
json.UpdateString("AddressValidationRequest.Address.StateProvinceCode","CA");
json.UpdateString("AddressValidationRequest.Address.PostalCode","30005");

Chilkat.StringBuilder sb = new Chilkat.StringBuilder();
Chilkat.HttpResponse resp = http.PostJson3(url,"application/json",json);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine("status = " + Convert.ToString(resp.StatusCode));

// A 200 response status indicate success.
if (resp.StatusCode != 200) {
    Debug.WriteLine(resp.BodyStr);
    Debug.WriteLine("Failed.");

    return;
}

json.Load(resp.BodyStr);
json.EmitCompact = false;
Debug.WriteLine(json.Emit());

// A successful exact response looks like this:

// {
//   "AddressValidationResponse": {
//     "Response": {
//       "TransactionReference": {
//         "CustomerContext": "Your Customer Context"
//       },
//       "ResponseStatusCode": "1",
//       "ResponseStatusDescription": "Success"
//     },
//     "AddressValidationResult": {
//       "Rank": "1",
//       "Quality": "1.0",
//       "Address": {
//         "City": "ALPHARETTA",
//         "StateProvinceCode": "GA"
//       },
//       "PostalCodeLowEnd": "30005",
//       "PostalCodeHighEnd": "30005"
//     }
//   }
// }
// 

// A successful response that was not an exact match provides an array of closest matches, like this:

// {
//   "AddressValidationResponse": {
//     "Response": {
//       "TransactionReference": {
//         "CustomerContext": "Your Customer Context"
//         "Quality": "0.9875",
//         "Address": {
//       },
//       "ResponseStatusCode": "1",
//       "ResponseStatusDescription": "Success"
//     },
//     "AddressValidationResult": [
//       {
//         "Rank": "1",
//           "City": "ALPHARETTA",
//           "StateProvinceCode": "GA"
//         },
//         "PostalCodeLowEnd": "30005",
//         "PostalCodeHighEnd": "30005"
//       },
//       {
//         "Rank": "2",
//         "Quality": "0.9750",
//         "Address": {
//           "City": "ALPHARETTA",
//           "StateProvinceCode": "GA"
//         },
//         "PostalCodeLowEnd": "30004",
//         "PostalCodeHighEnd": "30004"
//       },
//       {
//         "Rank": "3",
//         "Quality": "0.9750",
//         "Address": {
//           "City": "ALPHARETTA",
//           "StateProvinceCode": "GA"
//         },
//         "PostalCodeLowEnd": "30009",
//         "PostalCodeHighEnd": "30009"
//       }
//     ]
//   }
// }

// Use the online tool at Generate JSON Parsing Code
// to generate JSON parsing code.

string customerContext;
string statusCode;
string statusDescription;
string resultRank;
string resultQuality;
string city;
string provinceCode;
string postalCodeLowEnd;
string postalCodeHighEnd;
string rank;
string quality;
string addressCity;
string addressStateProvinceCode;

int numResults = json.SizeOfArray("AddressValidationResponse.AddressValidationResult");
if (numResults < 0) {

    // Here's parse code for the above JSON exact response:
    customerContext = json.StringOf("AddressValidationResponse.Response.TransactionReference.CustomerContext");
    statusCode = json.StringOf("AddressValidationResponse.Response.ResponseStatusCode");
    statusDescription = json.StringOf("AddressValidationResponse.Response.ResponseStatusDescription");
    resultRank = json.StringOf("AddressValidationResponse.AddressValidationResult.Rank");
    resultQuality = json.StringOf("AddressValidationResponse.AddressValidationResult.Quality");
    city = json.StringOf("AddressValidationResponse.AddressValidationResult.Address.City");
    provinceCode = json.StringOf("AddressValidationResponse.AddressValidationResult.Address.StateProvinceCode");
    postalCodeLowEnd = json.StringOf("AddressValidationResponse.AddressValidationResult.PostalCodeLowEnd");
    postalCodeHighEnd = json.StringOf("AddressValidationResponse.AddressValidationResult.PostalCodeHighEnd");

    Debug.WriteLine("Exact match!");
    Debug.WriteLine("postal code: " + postalCodeLowEnd);

}
else {

    Debug.WriteLine("Non-Exact match.");

    customerContext = json.StringOf("AddressValidationResponse.Response.TransactionReference.CustomerContext");
    statusCode = json.StringOf("AddressValidationResponse.Response.ResponseStatusCode");
    statusDescription = json.StringOf("AddressValidationResponse.Response.ResponseStatusDescription");
    int i = 0;
    while (i < numResults) {
        json.I = i;
        rank = json.StringOf("AddressValidationResponse.AddressValidationResult[i].Rank");
        Debug.WriteLine("rank: " + rank);
        quality = json.StringOf("AddressValidationResponse.AddressValidationResult[i].Quality");
        addressCity = json.StringOf("AddressValidationResponse.AddressValidationResult[i].Address.City");
        Debug.WriteLine("addressCity: " + addressCity);
        addressStateProvinceCode = json.StringOf("AddressValidationResponse.AddressValidationResult[i].Address.StateProvinceCode");
        postalCodeLowEnd = json.StringOf("AddressValidationResponse.AddressValidationResult[i].PostalCodeLowEnd");
        Debug.WriteLine("postal code: " + postalCodeLowEnd);
        postalCodeHighEnd = json.StringOf("AddressValidationResponse.AddressValidationResult[i].PostalCodeHighEnd");
        i = i + 1;
    }

}