Heartbeat

Daily digest

One page per UTC day, written automatically from that day's checks: fastest and slowest APIs, availability, what got faster or slower, and incidents. Each page has a JSON twin at /daily/YYYY-MM-DD.json.

2026-10-20in progress

Across 25 APIs, Heartbeat ran 575 checks and 98.78% passed. Fastest median: JSONPlaceholder at 71 ms. Slowest: Open Library Search at 1174 ms.

2026-10-19final

Across 25 APIs, Heartbeat ran 150 checks and 99.33% passed. Fastest median: JSONPlaceholder at 69 ms. Slowest: Open Library Search at 1255 ms.