Measure what your users actually feel.
Portside Labs runs synthetic probes from 40+ regions and turns raw round-trip samples into percentile budgets your team can ship against.
Probe network
Scheduled TCP, TLS and HTTP checks with one-second resolution and per-hop timing breakdowns.
Budgets, not averages
Track p50/p95/p99 against a target you define. Alerts fire on budget burn, not on single spikes.
Export anywhere
Stream samples to Prometheus, ClickHouse or plain NDJSON over the pull API.
41probe regions
1.2Mchecks per hour
99.98%collector uptime (90d)
18 msmedian ingest lag
Quick start
Create a monitor, point it at a hostname, pick a region set. First samples land in under a minute.
API
Everything in the dashboard is a REST call. Tokens are scoped per project and rotate on demand.
Retention
Raw samples for 30 days, rolled-up percentiles for 13 months. Longer windows on request.