How to Call NetSuite RESTlet from Salesforce: A Step-by-Step Guide

Prerequisites

Before you start, make sure you have:

• A NetSuite account with RESTlet script enabled.
• A Salesforce account with APIs enabled.
• Basic knowledge of Apex programming in Salesforce.

Step 1: Create a NetSuite RESTlet

In NetSuite, create a new RESTlet script:

function getCustomerData() {
  // Get customer data from NetSuite
  var_customerData = nlapiSearchRecord('customer', null, null, null);
  
  // Convert data to JSON
  var json = JSON.stringify(_customerData);
  
  // Return JSON data
  return json;
}

Save the script and deploy it as a RESTlet. Note the RESTlet URL and authentication credentials.

Step 2: Create a Salesforce Apex Class

In Salesforce, create a new Apex class to call the NetSuite RESTlet:

public class NetSuiteRestletCaller {
  public static void callRestlet() {
    // Set RESTlet URL and authentication credentials
    String restletUrl = 'https://your-netsuite-account.com/restlet/your-restlet-script';
    String username = 'your-netsuite-username';
    String password = 'your-netsuite-password';
    
    // Create a new HTTP request
    HttpRequest request = new HttpRequest();
    request.setMethod('GET');
    request.setEndpoint(restletUrl);
    
    // Set authentication headers
    request.setHeader('Authorization', 'Basic ' + EncodingUtil.base64Encode(username + ':' + password));
    
    // Send the request and get the response
    HttpResponse response = new Http().send(request);
    
    // Parse the JSON response
    JSONParser parser = JSON.createParser(response.getBody());
    Object jsonData = parser.getValue();
    
    // Process the JSON data
    System.debug('Received JSON data: ' + jsonData);
  }
}

Step 3: Call the Apex Class from Salesforce

Now that you have the Apex class, you can call it from anywhere in Salesforce. For example, you can create a custom button on a Salesforce page:

<apex:page>
  <apex:form>
    <apex:commandButton value="Call NetSuite RESTlet" 
                         action="{!callRestlet}" />
  </apex:form>
</apex:page>

Or, you can schedule the Apex class to run automatically using a Salesforce scheduler:

public class NetSuiteRestletScheduler implements Schedulable {
  public void execute(SchedulableContext context) {
    NetSuiteRestletCaller.callRestlet();
  }
}

Troubleshooting

If you encounter issues, check the following:

• Authentication**: Ensure your NetSuite username and password are correct.
• RESTlet URL**: Verify that the RESTlet URL is correct and accessible.
• JSON parsing**: Check that the JSON data is being parsed correctly in Salesforce.