Recommendation
API API consuming clients should be developed to minimize unnecessary transactions and use the feature of the API designed to enable this.
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Do not use the Ed-Fi API as an application backend.
For clients retrieving data from the ODS/API, use Change Queries to gather deltas in the data. Follow Using the Changed Record Queries (v 6.1)
Demonstrate and document the use of paging to improve performance. Follow patterns described in Improving Paging Performance on Large API Resources