Criteria-Based Search and Filter

Configure a search based on a single searchable object that combines data that’s spread across multiple objects and fields.

Metadata API Types

Metadata API enables you to access some types and feature settings that you can customize in the user interface.
Tooling API Objects

Tooling API exposes metadata used in developer tooling that you can access through REST or SOAP. Tooling API’s SOQL capabilities for many metadata types allow you to retrieve smaller pieces of metadata. For more information about Tooling API objects and to find a complete reference of all the supported objects, see Introducing Tooling API.
Business APIs

Return search results or retrieve unified object search data.