> ## 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

<img src="https://mintcdn.com/fly-io/uE4KNLArpeLTM_fo/images/spooky.webp?fit=max&auto=format&n=uE4KNLArpeLTM_fo&q=85&s=b2620eec3e25ad75f1c88a1e0a894e52" alt="Illustration by Annie Ruygt of a smirking ghost sitting infront of a laptop" width="720" height="709" data-path="images/spooky.webp" />

## Metrics

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

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