Onionoo is a web-based protocol to learn about currently running Tor relays and bridges.

This is not a public API. Unexpected changes may occur anytime.

Contact and further information:

Packages 
Package Description
org.torproject.metrics.onionoo.cron
Classes related to the background updater process.
org.torproject.metrics.onionoo.docs
Documents managed by this service, including internal status files and pre-written response objects.
org.torproject.metrics.onionoo.server
Server classes that process client requests.
org.torproject.metrics.onionoo.updater
Classes related to the updater feature, which periodically updates internal files related to status and metrics.
org.torproject.metrics.onionoo.util
Generic utilities for aiding other classes.
org.torproject.metrics.onionoo.writer
Classes responsible for pre-building documents that can later be sent in response to client requests.