Developer API

Simple, Predictable API Pricing

Access 110+ tools programmatically. Pay only for what you use with transparent, usage-based pricing.

No setup feesCancel anytimeFree tier included

Starter

Perfect for testing and small projects

$0/mo
  • 100 requests/day
  • Basic tools only
  • 10 req/min rate limit
  • Community support
Get Free API Key
Most Popular

Developer

For individual developers and small apps

$29/mo
  • 10,000 requests/month
  • All 110+ tools
  • 100 req/min rate limit
  • Email support
  • Webhook notifications
Start Free Trial

Business

For growing teams and production apps

$149/mo
  • 100,000 requests/month
  • All 110+ tools
  • 1,000 req/min rate limit
  • Priority support
  • 99.9% uptime SLA
  • Usage analytics
Start Free Trial

Enterprise

For large organizations with custom needs

Custom
  • Unlimited requests
  • Custom tool development
  • No rate limits
  • Dedicated account manager
  • Custom SLA
  • White-label option
  • IP whitelisting
Contact Sales

Need more? Overage charged at $0.001 per request for Developer and $0.0005 for Business.

Built for Every Industry

Our API powers applications across fintech, education, healthcare, and e-commerce.

🏦

Fintech & Banking

Loan calculators, currency conversion, EMI tools for banking apps.

🎓

Education

GPA calculators, unit converters, and study tools for EdTech platforms.

🏥

Healthcare

BMI, calorie, and health calculators for wellness applications.

🛒

E-commerce

Discount calculators, GST tools, and invoice generators for online stores.

What You Get

📚

Complete Documentation

OpenAPI specs, code samples in 10+ languages, and interactive playground.

Fast Response Times

Average response time under 100ms. Global CDN for low latency worldwide.

🔒

Enterprise Security

SOC 2 compliant, encrypted at rest and in transit, API key rotation.

Frequently Asked Questions

How do I get started with the API?
Sign up for a free account, generate your API key from the Developer Portal, and start making requests immediately. No credit card required for the free tier.
What happens if I exceed my request limit?
For paid plans, overage is charged at competitive rates. For the free tier, requests are rate-limited until the next day. You can upgrade anytime.
Can I switch plans at any time?
Yes! Upgrade or downgrade anytime. Changes take effect immediately, and you will be charged pro-rata for the remaining period.
Do you offer annual discounts?
Yes, we offer 20% discount on all annual plans. Contact sales for enterprise volume discounts.

Ready to Get Started?

Create your free API key in minutes. No credit card required.