Size total requests and cost first, then refine peak RPS, limits, caching, and priorities per endpoint.
Selected tool
API Request Planner
Plan API demand before release by listing endpoints, expected users, action frequency, cache rate, and limits.
Calculations run in the browser. Confirm assumptions with production logs and provider limits before launch.
Endpoint plan
API Request Planner
Plan API demand before release by listing endpoints, expected users, action frequency, cache rate, and limits.
2 tools
Launch readiness
Ready to test
Status
Endpoints 3 · Highest limit usage 33.3%
Monthly calls
14,438,400
Origin calls
6,326,400
Total peak RPS
77.63 RPS
Highest limit usage
33.3%
Quick examples
Pick a service type to fill realistic sample endpoints and traffic assumptions.
Peak calls/min
4,658
Suggested limit/min
6,288
Headroom left
66.7%
Calls saved by cache
8,112,000
Monthly transfer
165.23 GB
Concurrency usage
16.3%
Endpoint plan
Add each API endpoint as a row. The planner calculates monthly calls, origin calls, peak RPS, rate-limit usage, and what to check first.
Capacity details
Set active hours, response size, P95 latency, and the concurrency limit.
tune
Monthly transfer
142.82 GB
Peak concurrency
8.17
Concurrency usage
16.3%
Monthly
12,480,000
Origin
4,368,000
Peak RPS
66.67
Limit usage
33.3%
Next stepMonitor after launch
Capacity details
Set active hours, response size, P95 latency, and the concurrency limit.
tune
Monthly transfer
17.58 GB
Peak concurrency
2.59
Concurrency usage
5.2%
Monthly
1,536,000
Origin
1,536,000
Peak RPS
7.41
Limit usage
14.8%
Next stepReview retries and idempotency
Capacity details
Set active hours, response size, P95 latency, and the concurrency limit.
tune
Monthly transfer
4.83 GB
Peak concurrency
1.24
Concurrency usage
2.5%
Monthly
422,400
Origin
422,400
Peak RPS
3.56
Limit usage
23.7%
Next stepReview retries and idempotency
Capacity details
POST /api/orders23.7%
GET /api/products33.3%
POST /api/cart/items14.8%
Pre-launch checklist
Minimum checks before load testing.
Confirm provider limits per minute and per second.
Separate cacheable read APIs from write, order, or payment APIs.
Add idempotency keys to important write APIs.
Use retry caps and exponential backoff.
Set alerts around 70-80% of expected peak usage.
How to use the API request plan
Total traffic is useful, but launch risk usually hides in one or two endpoints. This planner ranks APIs by peak usage, priority, cache behavior, and write risk so the team knows what to cache, throttle, batch, or review first.
Usage notes
Monthly calls = users x daily actions per user x calls per action x active days.
Origin calls = monthly calls x (1 - cache hit rate).
Peak RPS = monthly calls / active seconds x peak multiplier.
Limit usage = peak RPS / allowed RPS.
Frequently asked questions
Is this the same as an API cost estimator?expand_more
No. This planner focuses on endpoint capacity, bottlenecks, owners, and launch readiness. Use it before cost work or load testing.
What should I put in peak multiplier?expand_more
Use 3-5x for normal apps and 6-10x for launches, campaigns, notifications, or traffic concentrated in work hours.
Why include cache rate?expand_more
Cache rate separates total gateway traffic from origin load. A GET endpoint with high volume may become safe once cached well.
Recommended order
1Estimate monthly traffic and peak demand.
2Break traffic down by endpoint and behavior.
3Check limits, caching, and retry policy against real logs.
Why estimation and planning belong together
A total request count alone hides endpoint spikes, while an endpoint list alone misses overall cost. This workflow connects both views.
Result workspace
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