API What you can do with it

1. SOAP API Integrate your org’s data with other applications using standard SOAP protocols.
2. REST API Access objects in your org using standard REST protocols.
3. Metadata API Manage customizations in your org and build tools that manage your metadata model.
4. Tooling API Build custom development tools for platform applications.
5. Marketing Cloud API Expose Marketing Cloud capabilities with the REST API and get comprehensive access to most email functionality with the SOAP API.
6. Bulk API Load, delete, and perform asynchronous queries on large data sets.
7. Streaming API Send and receive notifications securely and efficiently. Notifications can reflect data changes in your org, or custom events.
8. Chatter REST API Build UI for Chatter, Communities, Recommendations, Files, Topics, and more.
9. Mobile SDK While it’s technically a software development kit, it’s worth including here. Integrate Native or Hybrid mobile apps directly with Salesforce.