I am implementing Paypal and i have used this Soap message can anyone tell me where i am wrong?

Question

NSString *parameterString = [NSString stringWithFormat:@"USER=username"
                                 "&PWD=API Password"
                                 "&SIGNATURE=API Signature"
                                 "&METHOD=DoDirectPayment"
                                 "&CREDITCARDTYPE=%@"
                                 "&ACCT=%@"
                                 "&EXPDATE=%@"
                                 "&CVV2=123"
                                 "&AMT=%@"
                                 "&FIRSTNAME=%@"
                                 "&LASTNAME=%@"
                                 "&STREET=%@"
                                 "&CITY=%@"
                                 "&STATE=%@"
                                 "&COUNTRY=%@"
                                 "&ZIP=%@"
                                 "&COUNTRYCODE=US"
                                 "&PAYMENTACTION=sale"
                                 "&VERSION=2.3",
                                 txtCreditCardType.text,txtAccountNumber.text,txtExpireDate.text,txtTotalAmount.text,txtFirstName.text,txtLastName.text,txtStreet.text,txtCity.text,txtState.text,txtCountry.text,txtZip.text];

Answer 1

Maybe you need to properly url encode the values? Like the space in "API Password". The text in the text fields should also probably be url encoded instead of using the raw values.