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title: Data 360 Connect REST API Use Cases
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# Data 360 Connect REST API Use Cases

Learn how to build end-to-end solutions by integrating multiple Data 360 Connect REST APIs.

- [**DMOs: Map External Subscriber Data**](https://developer.salesforce.com/docs/data/connectapi/guide/dmo-use-case.md)

  Use the Data Model Object (DMO) API to programmatically define, update, and manage the mapping of source data to your unified data model.

- [**Data Streams: Bulk Disable Salesforce CRM Fields**](https://developer.salesforce.com/docs/data/connectapi/guide/data-stream-use-case.md)

  Use the Data Streams API to identify and bulk disable inaccessible or deprecated fields in Salesforce CRM connector data streams to maintain data stream health and minimize deploy cycles.

- [**Query: Retrieve Campaign Engagement Records**](https://developer.salesforce.com/docs/data/connectapi/guide/query-use-case.md)

  Use the Query API to perform a comprehensive audit and retrieve large volumes of data efficiently by managing the asynchronous pattern, checking job status via polling, and handling results using pagination.