> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Monitoring on Fly.io

> Fly.io monitoring docs: managed Prometheus and Grafana metrics, Sentry error tracking, and guides to live tail, log search, the logs API, and export.

![Illustration by Annie Ruygt of a smirking ghost sitting infront of a laptop](https://mintcdn.com/fly-io/uE4KNLArpeLTM_fo/images/spooky.webp?fit=max\&auto=format\&n=uE4KNLArpeLTM_fo\&q=85\&s=b2620eec3e25ad75f1c88a1e0a894e52)

## Metrics

*Fully-managed metrics solutions to help you monitor your apps.*

* **[Metrics](https://docs.fly.io/monitoring/metrics.md):** Learn how to configure and use the Fly.io metrics for Prometheus and Grafana, and built-in and custom metrics for  your apps.

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## Error monitoring

*Error monitoring for your apps.*

* **[Sentry](https://docs.fly.io/monitoring/sentry.md):** Use Sentry to get actionable insights to resolve the most important code-related issues in your app.

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## Logging

*Live tail and search your app’s logs, access them via API, or ship them where you want them.*

* **[Logging overview](https://docs.fly.io/monitoring/logging-overview.md):** How logs work on Fly.io.
* **[Logs API options for programmatic access](https://docs.fly.io/monitoring/logs-api-options.md)::** How to fetch, stream or export logs programmatically without touching the CLI.
* **[Live tail logs](https://docs.fly.io/monitoring/live-tail-logs.md):** Where to access live tail logs.
* **[Search logs](https://docs.fly.io/monitoring/search-logs.md):** Searchable app logs in Grafana (beta).
* **[Export logs](https://docs.fly.io/monitoring/exporting-logs.md):** Aggregate your logs to a service of your choice.
* **[Error codes and troubleshooting](https://docs.fly.io/monitoring/error-codes.md):** Look up error codes and get tips for troubleshooting.