pulse.

API performance workspace

API OBSERVABILITY / LOAD TEST

See how your API
holds up under pressure.

Run a focused browser test, then dig into latency, throughput, and rate limits.

Runs from your browserNo account. No test traffic routed through Pulse.
01Start with a presetChoose a scenario or configure your own
02PlansStart free, upgrade when you need more
Available nowFree

Everything you need to test an endpoint.

1,000 requests per run · 10 workers · live metrics · CSV and JSON exports.

On the roadmapPro

Keep an eye on performance over time.

Saved history · scheduled checks · alerts · shared team workspaces.

Run status / Idle
0%
Completed: 0 / 100
Active workers: 0
Duration: 0.0s
ETA: --
Current rate: 0.0 RPS
Rate limits Waiting for data
--
Window Limit
--
Quota Remaining
--
Reset In
--
First breach
--
Sustainable RPS (unknown)
Success Rate
—
0 HTTP 2xx
Rate Limited (429)
0
0% of total
Errors (4xx / 5xx)
0
0 client • 0 server
Throughput (Avg / Peak)
0.0
Peak: 0.0 RPS
Average Latency
0ms
Min: 0ms • Max: 0ms
Percentiles (p50 / p95 / p99)
-- / -- / --
Tail response distribution

↗Response latency

◒Response status

04Request log 0

# Method Status Latency Quota Remaining Response Preview Inspect
Your request log will appear here after you start a test.