System.CalloutException: Method can not be null
If you face System.CalloutException: Method can not be null issue, make sure you are using POST Or GET Or PUT in your request suing setMethod(). HTTPRequest req = new HTTPRequest(); ....
Tag: Web Service in Salesforce
When to use Bulk API instead of REST API in Salesforce?
REST API is used when the number of records are very less. Bulk API is used when we are going to implement for large set of data. Bulk API also ....
Http BAD request 400 error – Salesforce
If we get Http BAD request 400 error, the problem is surely from our request. Check the endpoint, body, setHeader() and so on. 1. Check the URL. 2. Try HTTP ....
Follow and Unfollow records using apex in Salesforce
Sample Code:global class SubscribeOrUnsubscribeLead { webservice static String subscribeLead(Id leadId) { List<EntitySubscription> listEntitySub = new List<EntitySubscription>(); listEntitySub = [SELECT Id ....
Missing redirect_uri parameter error from Facebook
If you face, "Missing redirect_uri parameter error from Facebook" issue, add redirect_uri parameter to the end point URL. The redirect_uri should be the callback URL. Get the callback URL and ....
Sample JAVA program to insert record using REST API
Sample Program: package packageForREST; import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.io.IOException; import java.io.UnsupportedEncodingException; import org.apache.http.Header; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicHeader; import org.apache.http.util.EntityUtils; ....
Sample JAVA program to Query records using REST API
Sample Program: package packageForREST; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import org.apache.http.Header; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicHeader; ....
Difference between SOAP and REST APIs
RESTREST's sweet spot is when you are exposing a public API over the internet to handle CRUD operations on data. REST is focused on accessing named resources through a single ....
Different APIs supported in Salesforce
Different APIs supported by Salesforce.com are REST API Accessing objects in your organization using REST. SOAP API Integrating your organization’s data with other applications using SOAP. Chatter REST API Accessing Chatter feeds ....
Web Services in Salesforce
Different APIs supported by Salesforce.com are REST API Accessing objects in your organization using REST. SOAP API Integrating your organization’s data with other applications using SOAP. Chatter REST API Accessing Chatter feeds ....