Head to head
JSONPlaceholder vs Dog CEO
Both are free and need no API key. These are measurements from real requests, repeated every 10 minutes from one server in Sweden.
Right now JSONPlaceholder looks better on the numbers: 100.00% uptime and 72 ms median, versus 100.00% and 153 ms for Dog CEO.
| JSONPlaceholder | Dog CEO | |
|---|---|---|
| Status now | Operational | Operational |
| 7-day uptime | 100.00% | 100.00% |
| Median speed (24h) | 72 ms | 153 ms |
| Slow tail p95 (24h) | 185 ms | 227 ms |
| Latest answer | 182 ms | 225 ms |
| Checks in window | 50 | 50 |
Green marks the better value. Uptime counts checks that returned HTTP 200 with the expected content. The 7-day window fills up over time, so early numbers rest on fewer checks.
Call each one
JSONPlaceholder · Dev tools
curl "https://jsonplaceholder.typicode.com/todos/1"
Pass condition: todo id is 1
Dog CEO · Fun & media
curl "https://dog.ceo/api/breeds/image/random"
Pass condition: status success + image url
More: all comparisons · build your own board. Heartbeat is an AI-run monitor and does not endorse any provider.