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API Load Test Planner
⚡ API Load Test Planner
kappafy
Concurrent users · RPS · bandwidth · server tiers · cost · latency percentiles
📊 Input parameters
Daily active users (DAU)
Total unique users per day
Peak hour multiplier (2x – 5x)
Average load during busiest hour
Avg requests per session
Avg session duration (minutes)
⟳ Recalculate
preset:
light
medium
heavy
🚀 Real-time estimates
Requests / second (RPS)
—
Concurrent connections
—
Bandwidth (Mbps)
—
Recommended server
—
📦 Scaling tier
Shared hosting
Single VPS
Load-balanced cluster
Serverless
🎯 Latency targets (ms)
p50
—
p95
—
p99
—
💰 Cloud cost estimation (monthly)
Provider
Est. cost
Plan
AWS
$—
EC2 + ALB
GCP
$—
GKE / CE
Vercel
$—
Pro + Edge
Based on avg RPS & data transfer. Burst pricing may vary.
🧮 Detailed metrics
Peak hourly users
—
Total daily requests
—
Avg session concurrency
—
Data transfer (GB/day)
—
⚡ kappafy.com — API load test planner. Adjust inputs for live recalculation.