Apex Developer Guide

Getting Started
Writing Apex
Ways to Invoke Apex
Invoking Apex
Anonymous Blocks
Triggers
Asynchronous Apex
Web Services
Exposing Apex Methods as SOAP Web Services
WebService Methods
Exposing Data with WebService Methods
Considerations for Using the WebService Keyword
Overloading Web Service Methods
Exposing Apex Classes as REST Web Services
Apex Email Service
Visualforce Classes
Invoking Apex Using JavaScript
Apex Transactions and Governor Limits
Using Salesforce Features with Apex
Integration and Apex Utilities
Finishing Touches
Reference
Appendices
Glossary
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Exposing Apex Methods as SOAP Web Services

You can expose your Apex methods as SOAP Web services so that external applications can access your code and your application. To expose your Apex methods, use WebService Methods.

  • Apex SOAP Web services allow an external application to invoke Apex methods through SOAP Web services. Apex callouts enable Apex to invoke external Web or HTTP services.
  • Apex REST API exposes your Apex classes and methods as REST Web services. See Exposing Apex Classes as REST Web Services.

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