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# Comparison of Developer Tools and Data Loader

> Comparison of features and behaviors between Developer Tools and Data Loader.

Comparison of features and behaviors between Developer Tools and Data Loader.

## Feature Comparison

| Feature / Use Case          | Developer Tools                                                                                           | Data Loader                                                                                                                                                              |
| --------------------------- | --------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| User Interface              | Separate micro-applications (for example, Generic API Loader, Billing Preview)                            | Centralized, self-service UI within the Zuora platform                                                                                                                   |
| Core Functions              | Import, Update, Delete, Export, Cancel with csv files                                                     | Import,Update, Delete, Export and Cancel with csv files                                                                                                                  |
| Data Migration              | collection of micro-apps for data migration tasks                                                         | Unified tool for data load, review, correction, and submitting the job                                                                                                   |
| Performance                 | Legacy experiences often rate-limited;performance dependent on manual configuration (batch size, threads) | Dynamically scales through native internal infrastructure for consistent high performance                                                                                |
| Error Handling & Validation | Limited validation; errors often required manual review at the end of the job and required re-upload      | Auto-maps fields, provides in-line validation, and allows for incremental job submission to resolve failed records                                                       |
| Templates                   | Provides templates for each object loader                                                                 | Provides dynamic, reusable, object-specific templates for data ingestion                                                                                                 |
| Object Coverage             | Support Zuora Billing, Payments and Finance Objects                                                       | Supports Zuora Billing, Payments and Finance Objects inclusive of the newly-released objects in Zuora ecosystem (for example, Payment Schedules and Omni Subscriptions ) |
| API                         | NA                                                                                                        | Provides a public API for performing programmatic jobs with csv and json. See, Bulk Data.                                                                                |