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# Meters

## Docs

- [Meters overview](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/meters-overview.md): A meter quantifies customer activity into structured usage records for billing, tracking usage like CPU hours or data transferred.
- [Streaming and batch meters](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/streaming-and-batch-meters.md): Streaming and batch meters allow you to process either continuously arriving events or a finite set of input data in Zuora Mediation.
- [Meter statuses](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/meter-statuses.md): Understand meter run statuses.
- [Create a meter based on a meter type](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/create-a-meter-based-on-meter-type.md): Create a meter using predefined types that send results to Zuora Billing.
- [Create a custom meter](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/create-custom-meter.md): Create a custom meter by using available components to meet specific business process requirements.
- [Audit Trail for meter runs](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/audit-trail-for-meter-runs.md): The audit trail for meter runs provides detailed logs of changes, segregated into live and test runs, accessible under the Audit Trail>Runs section.
- [Audit Trail for meter errors](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/audit-trail-for-meter-errors.md): Learn how to use audit trails to track and filter meter errors by timeframe, session ID, and error category.
- [Export error records](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/audit-trail-for-meter-errors/export-error-records.md): Learn how to export and download meter run error records, including large datasets that exceed the inline download limit of 100,000 rows.
- [Download Center](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/audit-trail-for-meter-errors/download-center.md): All large error exports are visible in the centralized Download Center, which lets you monitor export jobs and download files when they are ready.
- [Stop a meter](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/stop-a-meter.md): Stop a running meter gracefully or immediately by using the API.
- [Prefetch in Mediation](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/prefetch-in-mediation.md): Prefetch in Mediation copies relevant Zuora Billing and product data into Mediation's internal store so that meters can enrich and process usage events quickly and accurately.
- [Check and refresh prefetch data](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/prefetch-in-mediation/check-and-refresh-prefetch-data-for-enrichment.md): Learn how to check the status of prefetched data used by the Enrichment processor and how to trigger a manual prefetch when you need an immediate update.
- [View prefetch history](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/prefetch-in-mediation/view-prefetch-history.md): Learn how to view the prefetch history for Enrichment processors, including details on automatic and manual runs and their status.
- [Metering APIs](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis.md): The Metering APIs provide insights into success/failure metrics, record-level details, and guidance for next steps, supporting backend integration and data analysis.
- [Retrieve summary data API](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis/summary-api.md): The summary API gives you a rolled-up view of a run or time window.
- [Retrieve audit trail entries API](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis/audit-trail-entries-api.md): The audit trail entries API gives you detailed, record-level information about what happened during processing.
- [Create audit trail export job API](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis/audit-trail-export-api.md): The audit trail export job API provides large-scale, offline access to audit data.
- [Retrieve audit trail export jobs API](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis/list-audit-trail-export-api.md): This API lists the export jobs that you previously initiated.
- [Retrieve presigned download URL API](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis/presigned-download-url-api.md): Once an export job is finished, it produces one or more files, such as CSV files, and returns file keys. This API converts those file keys into time-limited download URLs.
- [Example workflow](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis/example-workflow.md): An example of how these APIs work together.
- [Runtime configuration for meter runs](https://zuora.ferndocs.com/docs/platform/extensibility/mediation/meters/metering-apis/runtime-configuration-for-meter-runs.md): Runtime configuration lets you change the input source for a single meter run without modifying the stored meter definition or creating a new version. Runtime overrides apply only to the current run. The stored meter definition remains unchanged.