SuiteAnalytics Connect vs the REST API

Two very different jobs
Both SuiteAnalytics Connect and the NetSuite REST API can move data out of NetSuite, but they solve different problems. Connect exposes the analytics schema over ODBC/JDBC and is built for bulk, read-only reporting. The REST API is transactional and record-oriented, ideal for integrations and writes.
Choosing for reporting
For finance reporting into Power BI, Snowflake, or Excel, Connect is almost always the right layer. It gives you tables and joins your BI tool understands, without hammering record endpoints or paging through thousands of API calls.
We reach for the REST API when a workflow needs to push data back into NetSuite — not when the goal is a nightly refresh of clean, query-ready numbers.