NSUrlRequest itself adding %0 in url - iphone

Question

The NSURLRequest is adding %0 in request. I created the string and converted it into base 64 then send to url, but NSURLRequest is automatically adding %0 in it. Below is the code i am using.
This is how converted to base 64.
NSData *plainTextData = [totalStr dataUsingEncoding:NSUTF8StringEncoding];
NSString *base64String = [plainTextData base64EncodedString];
NSLog(#"encoded url:%#",base64String);
When Api called.
NSString *urlStr = [NSString stringWithFormat:#"http://mabct.co/api/checkin/%#", [code valueForKey:#"code"]];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:
[NSURL URLWithString:urlStr]];
// [urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
NSString *responseString = [MyEventApi sendRequest:request];
NSError *error;
NSData *jsonData = [responseString dataUsingEncoding:NSUTF8StringEncoding];
NSDictionary *results = [NSJSONSerialization JSONObjectWithData:jsonData options:0 error:&error];
NSLog(#"dict in API-------------%#",results);
return results;
This is the converted string in to base 64
eyJldmVudElkIjoiNDAiLCJzZWF0IjoiMTBfS2FyYW4gU3VraGlqYV8yNC0wNC0yMDEzIDE3OjE3IiwidXNlcklkIjoiMTAifQ==
This is what NSURLRequest is sending.
eyJldmVudElkIjoiNDAiLCJzZWF0IjoiMTBfS2FyYW4gU3VraGlqYV8yNC0wNC0y%0D%0AMDEzIDE3OjE3IiwidXNlcklkIjoiMTAifQ==
This is what i am sending in encoding
"{"eventId":"47","seat":"10_Karan Makhija_24-04-2013 10:06","userId":"10"}"
I am not getting what is wrong, please guide for the above.
Thanks in advance.

Answer 1

I see that %0D%0A is being added to your original string. I googled it and found that:
%0D%0A is the encoded ASCII non-printable characters of ,
which on Microsoft platforms is a NewLine So:
Consider if you accidentally could have replaced some HTML by hitting the return key while editing your files.
2a. Be aware of what
encoding your editor uses for saving the files (typically either
ASCII, ANSI, or Unicode)
2b. Your webserver (an IIS6, likely running
on a Windows 2003 Server) serves the files as UTF-8 encoded, which is
fine - But you may want to verify that it actually reads the files
using same encoding as you've used for saving the files.
Here, is the SOURCE if you want to check.
EDIT
Make sure that your webserver and client uses the same encoding (i.e. NSUTF8StringEncoding or any other, but same)
Also, IF base 64 encoding is there on web server. Follow this link, for implementing category for such encoding/decoding. I hope this will help you.