API Diagnostics

Data Source Health & Freshness Monitor

At-a-glance view of all data sources powering this site. If something is stale, see which site sections are affected below.

1 SOURCE AGING -- Data approaching refresh
Site Generated: Sun, 29 Mar 2026 08:15:38 GMT
APIs Enabled: all (6/6 sources active)

API Source Status

Onionoo Details API

FRESH
URL
onionoo.torproject.org/details
Owner
Tor Project
Expected Update
~30 minutes
Cache Age
1.0 min / max 6h
Worker Status
ready
Items Loaded
10,385 relays
Affects: All Relay Pages Top 500 Relays Browse by Network / Country / Platform Individual Relay Info Pages Network Health Dashboard

Onionoo Uptime API

FRESH
URL
onionoo.torproject.org/uptime
Owner
Tor Project
Expected Update
~30 minutes
Cache Age
1.5h / max 12h
Worker Status
ready
Items Loaded
10,644 relays
Affects: Relay Uptime Percentages AROI Leaderboards (uptime rankings) Contact Page Reliability Network Health Uptime Stats

Onionoo Bandwidth API

AGING
URL
onionoo.torproject.org/bandwidth
Owner
Tor Project
Expected Update
~12 hours (historical data)
Cache Age
10.5h / max 12h
Worker Status
ready
Items Loaded
10,620 relays
Affects: Historical Bandwidth on Relay Pages Total Data Transferred AROI Bandwidth Rankings Network Health Bandwidth Stats

AROI Validation API

FRESH
URL
aroivalidator.1aeo.com/latest.json
Owner
1st Amendment Encrypted Openness (1AEO)
Expected Update
~1 hour
Cache Age
1.4 min / max 1h
Worker Status
ready
Items Loaded
10,397 results
Affects: AROI Validation Badges Contact Page Validation Status

CollecTor Consensus API

FRESH
URL
collector.torproject.org (authority votes)
Owner
Tor Project
Expected Update
~1 hour (consensus cycle)
Cache Age
1.3 min / max 1h
Worker Status
ready
Items Loaded
10,168 relays indexed (from 9 authority votes)
Affects: Consensus Evaluation on Relay Pages Directory Authorities Page Network Health Consensus Data

CollecTor Descriptors API

FRESH
URL
collector.torproject.org/recent/relay-descriptors/server-descriptors/ (server descriptors)
Owner
Tor Project
Expected Update
~1 hour (hourly incremental files)
Cache Age
1.2 min / max 1h
Worker Status
ready
Items Loaded
10,317 relays tracked (3,165 with family-cert)
Affects: Happy Families / Family-Cert Classification Family Pages Contact Pages (family support type)

Site Section → Data Source Dependency Map

If an API source is stale, this table shows which parts of the site will have stale information. Status column shows the worst freshness among all dependencies for that section.

Site Section Depends On Status Link
All Relay Pages Details Fresh misc/all.html
Top 500 Relays Details Fresh top500.html
Relay Uptime and Stability Details Uptime Fresh (per-relay pages)
AROI Operator Leaderboards Details Uptime Bandwidth Aging index.html
AROI Validation Badges AROI Validation Fresh (contact pages)
Network Health Dashboard Details Uptime Bandwidth AROI Validation Consensus Descriptors Aging network-health.html
Directory Authorities Details Consensus Fresh misc/authorities.html
Family Pages Details Descriptors Fresh (family detail pages)
Contact / Operator Pages Details Uptime Bandwidth AROI Validation Descriptors Aging (contact detail pages)
Consensus Evaluation Details Consensus Fresh (per-relay pages)
Browse by Network / Country / Platform Details Fresh (misc sorted pages)
Freshness Color Legend
Fresh — Cache age < 50% of max age. Data is current.
Aging — Cache age 50–100% of max age. Still valid but approaching refresh.
Stale — Cache age > max age OR fetch failed. Data may be outdated.
N/A — API disabled (--apis mode) or data not available.