Estimate API traffic, peak load, retries, data transfer, and monthly cost from users and per-user request behavior.
API load summary
Bottleneck check: Rate limit usage 16.7%
Monthly requests
9,504,000
Peak RPS
20
Monthly transfer
181.84 GB
Estimated monthly cost
$68.87
Quick examples
Headroom above peak
100 RPS
Expected final failures
28,664
Compare launch traffic, better caching, and retry spikes without changing your current inputs.
Current
9,504,000
20
$68.87
Launch x2 users
19,008,000
40
$102.24
Cache +20pp
9,504,000
20
$68.84
Retry spike
9,504,000
20
$68.92
API cost and reliability risk are driven by peak rate, cache behavior, and retry policy as much as average monthly volume. This estimator turns product usage assumptions into monthly calls, RPS, transfer volume, billable usage, and practical launch checks.
Use 3-5x for a first estimate. If traffic is concentrated around launches, alerts, or work hours, test 8x or higher.
Cache hit rate is shown as avoided origin calls. If your provider bills gateway requests, confirm the actual billing basis.
Automatic retries increase request volume. Use backoff and retry caps to prevent spikes during upstream incidents.
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