Hello,

I am calling a remote webservice api from apex.

This is how the request should look like as per the api documentation.

URL: 'https://example.com/merge'
Method: 'POST'
Content-Type: 'multipart/form-data'
Parameters: {file_1: 'BINARY_PDF_DATA', file_2: 'BINARY_PDF_DATA', file_3: ..., user: 'auth_username', password: 'auth_password'}
Result: 'BINARY_PDF_DATA'

Below is the code that I have accomplished so far, but the problem is that this code returns a 500 - Internal Server Error when I run it.

Here is my code:

string username = 'auth_username';
string password = 'auth_password';
boolean isTest = true;
								

 Http h = new Http();
 HttpRequest req = new HttpRequest();
 req.setEndpoint('https://example.com/merge');
 req.setMethod('POST');
 req.setHeader('Content-Type','multipart/form-data; boundary=----RandomString');
                                                                
 string body = '------RandomString\r\n';
 body += 'Content-Disposition: form-data;';
body += 'name=\"user\"\r\n\r\n'+username+'\r\n';
                                
body += '------RandomString\r\n';
body += 'Content-Disposition: form-data;';
body += 'name=\"password\"\r\n\r\n'+password+'\r\n';
                                
body += '------RandomString\r\n';
body += 'Content-Disposition: form-data;';
body += 'name=\"test\"\r\n\r\n'+isTest+'\r\n';
                                
 // build the blob form data
                                
 integer k = 1;
for(blob blb : blobs){
                                    
body += '------RandomString\r\n';
body += 'Content-Disposition: form-data; name="file_'+k+'"; filename="file_'+k+'.pdf"\r\n\r\n';
body+= EncodingUtil.base64Encode(blb) +'\r\n';

k++;

}
                                
body += '------RandomString--';
req.setBody(body);
                                
 // Send the request, and return a response
HttpResponse res = h.send(req);

system.debug('Response is: ');
system.debug(res);

So I could not figure out what is wrong as apparently I have meet the webservice callout requirments as mentioned in the api documentation.

Any help in this regard will be appreciated.

Hello,

I am calling a remote webservice api from apex.

This is how the request should look like as per the api documentation.

URL: 'https://example.com/merge'
Method: 'POST'
Content-Type: 'multipart/form-data'
Parameters: {file_1: 'BINARY_PDF_DATA', file_2: 'BINARY_PDF_DATA', file_3: ..., user: 'auth_username', password: 'auth_password'}
Result: 'BINARY_PDF_DATA'

Below is the code that I have accomplished so far, but the problem is that this code returns a 500 - Internal Server Error when I run it.

Here is my code:

string username = 'auth_username';
string password = 'auth_password';
boolean isTest = true;
								

 Http h = new Http();
 HttpRequest req = new HttpRequest();
 req.setEndpoint('https://example.com/merge');
 req.setMethod('POST');
 req.setHeader('Content-Type','multipart/form-data; boundary=----RandomString');
                                                                
 string body = '------RandomString\r\n';
 body += 'Content-Disposition: form-data;';
body += 'name=\"user\"\r\n\r\n'+username+'\r\n';
                                
body += '------RandomString\r\n';
body += 'Content-Disposition: form-data;';
body += 'name=\"password\"\r\n\r\n'+password+'\r\n';
                                
body += '------RandomString\r\n';
body += 'Content-Disposition: form-data;';
body += 'name=\"test\"\r\n\r\n'+isTest+'\r\n';
                                
 // build the blob form data
                                
 integer k = 1;
for(blob blb : blobs){
                                    
body += '------RandomString\r\n';
body += 'Content-Disposition: form-data; name="file_'+k+'"; filename="file_'+k+'.pdf"\r\n\r\n';
body+= EncodingUtil.base64Encode(blb) +'\r\n';

k++;

}
                                
body += '------RandomString--';
req.setBody(body);
                                
 // Send the request, and return a response
HttpResponse res = h.send(req);

system.debug('Response is: ');
system.debug(res);

So I could not figure out what is wrong as apparently I have meet the webservice callout requirments as mentioned in the api documentation.

Any help in this regard will be appreciated.

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