API Pricing Calculator

By CalculatorInn Team · Updated: 2026-03-22 · Free & accurate · Instant results

Estimate monthly costs for API usage based on request volume and per-request pricing.

Interactive API Pricing Calculator

JavaScript is required for the interactive calculator. Enable JavaScript to use this tool.

How to Use This Calculator

Step-by-Step Instructions

  1. Enter your daily api requests
  2. Enter your cost per 1,000 requests
  3. Enter your free monthly quota
  4. Enter your monthly requests
  5. Enter your billable requests
  6. Enter your monthly cost
  7. Enter your daily cost
  8. Results appear instantly — no button needed

Formula

Mathematical Formula

Cost = max(0, Daily × 30 - Free Quota) × Price / 1000

How It Works

Calculates billable requests after subtracting the free tier.

Frequently Asked Questions

Do most APIs have free tiers?

Many APIs offer a free tier for a limited number of requests per month.

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