API Pricing Calculator

Choose a profitable API pricing model with usage-based vs subscription comparison

Calculator
SaaS
Business
Pricing

Pricing Inputs

Your cost to process one API call (range: $0.001–$1.00)

Fixed monthly costs: servers, hosting, monitoring (range: $0–$100,000)

Average number of calls one user makes per month (range: 100–1,000,000)

Your desired profit margin on top of total cost (range: 10–90%)

Number of free calls each user gets monthly (range: 0–100,000)

Expected number of paying users (range: 10–100,000)

Pricing Model:

About API Pricing Calculator

The API Pricing Calculator helps you choose a profitable pricing model for your API product. By factoring in your cost per API call, infrastructure expenses, expected user volume, and target profit margin, you get a clear recommended price and a side-by-side comparison of usage-based vs subscription billing.

For a broader SaaS pricing strategy, check out the SaaS Pricing Calculator which helps you set prices based on costs, customers, and competitors.

To understand how profitable your customers are over time, use the Customer Lifetime Value (LTV) Calculator and pair it with the MRR Growth Simulator to forecast your recurring revenue trajectory.

Cost per User Formula:

Cost per User = (Expected Calls per User × Cost per Call) + (Monthly Infrastructure ÷ Expected Users)

Suggested Price Formula:

Suggested Price = Cost per User × (1 + Profit Margin / 100)

Key Features:

  • Compare usage-based and subscription pricing side by side
  • Calculate recommended per-call or monthly price per user
  • See profit at 100, 1,000, and 10,000 users
  • Estimate break-even users for your pricing model
  • Understand free-tier cost impact on your bottom line
  • Log history for comparing multiple pricing scenarios
  • 100% browser-based — your data stays private

All calculations are performed in your browser. No data is sent to any server, ensuring your pricing strategy remains completely private.

Frequently Asked Questions (FAQ)

What is the difference between usage-based and subscription pricing?
Usage-based pricing charges customers per API call — they pay only for what they use. Subscription pricing charges a flat monthly fee regardless of usage volume. Usage-based works well when API call volume varies widely per customer; subscription is simpler to predict for both you and your customers. This calculator lets you compare both models side by side.
How does the free-tier allowance affect my pricing?
The free-tier allowance represents the number of free API calls each user gets per month. These calls cost you the per-call infrastructure cost but generate no revenue. The calculator shows the total free-tier cost impact so you can decide if a generous free tier is sustainable, or if you need to adjust your pricing to compensate.
What is a healthy profit margin for an API product?
API products typically target 50-80% gross margins. Pure API services (like AI models) often operate at 50-70% margins due to high compute costs, while data APIs can reach 70-80%+. Your margin should account for customer acquisition costs, ongoing development, and support — not just infrastructure. See our SaaS Pricing Calculator for more complex pricing scenarios.