Apex Reference

This Apex reference goes into detail about the built-in Apex ConnectApi classes and interfaces.

For Apex-related objects and SOAP API calls, see Objects and SOAP API Calls and Headers for Apex in the SOAP API Developer Guide.

ConnectApi Namespace

The ConnectApi namespace (also called Connect in Apex) provides classes for accessing the same data available in Connect REST API. Use Connect in Apex to create custom experiences in Salesforce.
DataRetrieval Namespace

The DataRetrieval namespace provides classes to store the record details and conversation transcripts between customers and agents.