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API Rate Limit & Throughput Calculator — RPS, Bandwidth & Burst

Calculate API throughput including requests per second, bandwidth requirements, daily capacity, and burst limits. Free, instant, and accurate.

✓ Formula verified: January 2026

Rate Limit Calculator

Results below

Enter Values

req/min
KB
users
Requests Per Second (RPS)
1,000 req/s

Bandwidth Required

50,000 KB/s

Bandwidth (Mbps)

48.83 Mbps

Daily Request Capacity

86,400,000 req/day

Burst Capacity (AWS API Gateway)

10,000 RPM

Max Recommended Concurrent Users

5,000 users

Server Type

AWS API Gateway

Requests Per Minute

60,000 RPM

RPM Per User

60.00 RPM/user

What if your maximum requests per minute (rpm) changes? 54000 req/min → 900 req/s · 60000 req/min → 1,000 req/s · 66000 req/min → 1,100 req/s

Scenario Comparison

Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
Share your result
API Throughput Analysis

Throughput

1 RPSLowModerateHigh

Traffic Flow

Server3 users → AWS API Gateway
RPS
1,000 req/s
Bandwidth
48.83 Mbps
Daily Capacity
86,400,000 req/day
Server Type
AWS API Gateway

Burst vs. Sustained Capacity

Sustained (RPM)
60,000
Burst Limit
10,000 RPM
SustainedBurst
Bandwidth (KB/s)
50,000 KB/s
Max Concurrent
5,000 users
RPM / User
60.00 RPM/user

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