Objective-C

CardConnect Validate Merchant-Level Credentials

To test and validate merchant-level credentials, you can make a PUT request, including the merchant ID in the body of the request, to the base URL. The Gateway verifies that the MID matches the credentials provided in the header.

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Objective-C

#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <NSString.h>
#import <CkoHttpResponse.h>

BOOL success = NO;

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

CkoHttp *http = [[CkoHttp alloc] init];

http.BasicAuth = YES;
http.Login = @"API_USERNAME";
http.Password = @"API_PASSWORD";

CkoJsonObject *json = [[CkoJsonObject alloc] init];
success = [json UpdateString: @"merchid" value: @"MERCHANT_ID"];

NSString *url = @"https://<site>.cardconnect.com:<port>/cardconnect/rest/";

CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpStr: @"PUT" url: url bodyStr: [json Emit] charset: @"utf-8" contentType: @"application/json" response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

// If we get a 200 response status and an HTML response saying "CardConnect REST Servlet", then our credentials are correct.
NSLog(@"%@%d",@"response status code = ",[resp.StatusCode intValue]);

NSLog(@"%@",@"response string:");
NSLog(@"%@",resp.BodyStr);

// Sample output:

// response status code = 200
// response string:
// <html lang="en"><body><h1>CardConnect REST Servlet</h1></body></html