Apex

Use Apex to write, maintain, and test your custom logic on the Salesforce Platform. This object-oriented, strongly-typed, server-side language inherits its general syntax from the C language family.
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Developer Guide

Apex Developer Guide

Execute flow and transaction control statements on the Salesforce Platform server and interact with web services.
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Developer Guide

Customize Salesforce with Apex

Write Apex code to customize Salesforce features like actions, flows, authenticaion, and Experience Cloud sites.
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Developer Guide

Debug, Test, and Deploy Apex

Develop your Apex code in a sandbox, debug it, unit-test it, then distribute it to your customers using packages.
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Reference

Apex Reference

Get access to information about built-in Apex classes, interfaces, enums, and exceptions, grouped by namespace.
All Docs

Documentation

Salesforce CLI 

Use a single command-line interface for the Salesforce Platform and Salesforce DX.

VS Code Extensions 

Access tools for developing on the Salesforce Platform in the lightweight VS Code editor.

Salesforce Code Analyzer 

Analyze your source code to ensure it meets code quality standards.

Tools
Trail

Build Apex Coding Skills 

3000 PointsGet familiar with Apex and expand your skills by taking this three module trail.
Module

Unit Testing on the Salesforce Platform 

3100 PointsLearn why testing helps you create better software and how to run various unit tests.
Superbadge

Apex Specialist 

13000 PointsUse integration and business logic to push your Apex coding skills to the limit.
Superbadge

Advanced Apex Specialist 

6000 PointsBuild complex business logic using advanced Apex and Visualforce programming techniques.
All Trailhead Modules

Trailhead

Apex Recipes 

This collection gives developers concise, meaningful examples of Apex code for common use cases following best practices. The Integration recipes show how to make callouts to external services and also expose an Apex class as a custom REST endpoint.

Ecars 

This app shows how Change Data Capture is used to build loosely coupled integrations using multiple languages and systems. It shows how microservices on Heroku integrate with Salesforce, and how data is streamed to Salesforce from Kafka via WebSockets.

E-bikes 

This sample retail app helps E-Bikes, a fictitious electric bicycle manufacturer, manage their products and reseller orders. The app integrates with Salesforce Communities and uses LWC and different data access strategies.
All Code Samples

Code Samples