## Metrics vs. Stats API
The Metrics API is the modern replacement for the deprecated Stats API:
| Feature | Stats API (Deprecated) | Metrics API (Current) |
|  --- | --- | --- |
| Flexibility | Limited filtering | Advanced filtering with logical operators |
| Dimensions | Fixed groupings | Flexible dimension combinations |
| Metrics | Basic counts | Comprehensive metrics including rates |
| Performance | Slower | Optimized for large datasets |
| Future Support | None | Active development |

**Migration:** If you're using the Stats API, plan to migrate to the Metrics API for continued support and new features.