Automated · every 6 hours

Source Changelog

Health checks run against all indexed sources every 6 hours. Events are logged when sources update, go down, or come back online.

Recent events

No events yet.

First health check runs within 6 hours of the Worker being deployed.

Changelog API · no auth required

Base endpoint

GET /api/changelog

Query parameters

source Filter by source slug 
?source=world-bank-data
type Filter by event type 
?type=data_updated
since Events after this date 
?since=2026-01-01
limit Results per page (max 200) 
?limit=50

Event types

Data updated data_updated
Source down source_down
Restored source_restored
Added to index source_added

How it works

Checks run every 6 hours via a Cloudflare Worker.

Liveness: all sources. Data freshness: World Bank, ECB, Eurostat.

API responses cached 5 min at the edge.