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How to fetch records through REST API in Apex class Salesforce

How to fetch records through REST API in Apex class Salesforce

In this blog we will learn how to fetch records of sObjects through REST API in Apex class in salesforce. Let us get started!

 

Prerequisites

Whitelist your Salesforce base URL in Remote Sites.

Step 1: Copy the Salesforce base URL. For example: “https://na40.salesforce.com/”.
Step 2: Go to Setup > Security Controls > Remote Site Settings .
Step 3: Click “New Remote Site” button. Enter the related Information and Save.

 

Fetch records of sObjects through REST API Salesforce

Apex controller code:

public with sharing class AccountRest {
    
    /**
	 * Webkul Software.
	 *
	 * @category  Webkul
	 * @author    Webkul
	 * @copyright Copyright (c) 2010-2016 Webkul Software Private Limited (https://webkul.com)
	 * @license   https://store.webkul.com/license.html
	**/
    
    public list<account> acc{get{
    
    	//Define http Request 
    	//append your Query to the base url
    	HttpRequest req = new HttpRequest();
        req.setEndpoint('https://'+URL.getSalesforceBaseUrl().getHost()+'/services/data/v39.0/query/?q=SELECT+Id,Name,AccountNumber,Type+FROM+Account+limit+10');
        req.setMethod('GET');
        
        //Get SessionId
        string autho = 'Bearer '+userInfo.getSessionId();
        req.setHeader('Authorization', autho);
        
        //Get Response
        Http http = new Http();
        HTTPresponse res= http.send(req);
        string response = res.getBody();
        
        //Deserialize obtained json response
        string str = '['+ response.substring(response.indexOf('records":[')+10,response.indexof(']}')) +']';
        acc = (list<Account>)JSON.deserialize(str,list<Account>.class);
        
        return acc;    
    }set;}
    
}

Visualforce Page:

<apex:page controller="AccountRest">

    <!-- 
    /**
     * Webkul Software.
     *
     * @category  Webkul
     * @author    Webkul
     * @copyright Copyright (c) 2010-2016 Webkul Software Private Limited (https://webkul.com)
     * @license   https://store.webkul.com/license.html
     */
     -->
	<apex:sectionHeader title="Accounts" subtitle="List View"/>
	<apex:pageBlock>
	
		<apex:pageBlockTable value="{!acc}" var="key">
		
			<apex:column>
				<apex:facet name="header">Account Name</apex:facet>
				<apex:outputLink value="/{!key.Id}">{!key.Name}</apex:outputLink>
			</apex:column>
			<apex:column value="{!key.AccountNumber}"/>
			<apex:column value="{!key.Type}"/>	
		
		</apex:pageBlockTable>
	
	</apex:pageBlock>

</apex:page>

Output

Here is the output:

Support

That’s all for how to fetch records of sObjects through REST API in Apex class, still have any issue feel free to add a ticket and let us know your views to make the code better https://webkul.uvdesk.com/en/customer/create-ticket/

 

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