payment gateway - Paypal payement failure in test account in java -


i trying develop application in paypal dodirectpayment method creating testing sandbox account , use following code own api credentials acknowledgement failure ...

if 1 know how rid out issue share me.,

thanks in advance.

public class dodirectpayment  { private nvpcallerservices caller = null;  public string dodirectpaymentcode(string paymentaction,string amount,string cardtype,                             string acct,string expdate,string cvv2, string firstname,                             string lastname, string street, string city, string state,                              string zip, string countrycode) {     nvpencoder encoder = new nvpencoder();     nvpdecoder decoder = new nvpdecoder();      try     {          caller = new nvpcallerservices();     apiprofile profile = profilefactory.createsignatureapiprofile();         /*          warning: not embed plaintext credentials in application code.          doing insecure , against best practices.          api credentials must handled securely. please consider          encrypting them use in production environment, , ensure          authorized individuals may view or modify them.          */     // set api credentials, paypal end point, api operation , version.         profile.setapiusername("sdk-three_api1.sdk.com");         profile.setapipassword("qfzcwn5hzm8vbg7q");         profile.setsignature("avgidzosqigwu.lgj3z15hlczxaaack6imhawrjefqgclvwbe8imgchz");         profile.setenvironment("sandbox");         profile.setsubject("");         caller.setapiprofile(profile);          encoder.add("version", "51.0");         encoder.add("method","dodirectpayment");      // add request-specific fields request string.         encoder.add("paymentaction",paymentaction);         encoder.add("amt",amount);         encoder.add("creditcardtype",cardtype);              encoder.add("acct",acct);                                encoder.add("expdate",expdate);         encoder.add("cvv2",cvv2);         encoder.add("firstname",firstname);         encoder.add("lastname",lastname);                                                encoder.add("street",street);         encoder.add("city",city);            encoder.add("state",state);                  encoder.add("zip",zip);          encoder.add("countrycode",countrycode);      // execute api operation , obtain response.         string nvprequest = encoder.encode();         string nvpresponse =(string) caller.call(nvprequest);         decoder.decode(nvpresponse);      } catch(exception ex)     {         ex.printstacktrace();     }     return decoder.get("ack"); }  public static void main(string[] args) {      dodirectpayment obj=new dodirectpayment();     system.out.println(obj.dodirectpaymentcode("authorization ", "1", "visa", "1234123412341234", "122012", "123", "testname", "testname", "chennai", "chennai", "tx", "77570", "us"));  }  }

you have typo in paymentaction parameter: "authorization " should replaced "authorization" (just remove redundant space @ end)


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