01 Monitor
Checks from 14 regions
Every endpoint, every 30 seconds, from wherever your users are.
NewTraces for background queues
Know when your API breaks before your users do.
Relay checks every endpoint from 14 regions, traces the slow ones, and pages the right person. One line to set up.
Start free
$npx relay init
Free for 3 monitors. No credit card.
Trusted by engineering teams at
- Northwind
- lumen
- ARCADIA
- Kite
- parallel
- Oxide
Platform
Everything you'd build yourself, already running.
02 Trace
Waterfalls for slow requests
See exactly which span ate the 300 milliseconds.
03 Alert
Pages the right person
Route by service and severity to Slack, PagerDuty, or SMS.
“We found a 4-second checkout regression on a Friday night. Relay found it in 40 seconds.”
Ship with a safety net.
Free for 3 monitors. Upgrade when you need more regions.