Pricing

Simple, Transparent Pricing

One API key. Access to all 20+ APIs. No per-API fees. Cancel anytime.

✦ All prices in USD · Billed monthly · Cancel anytime
Free
$0/mo
Get started — no credit card required.
Get Free Key →
Basic
$9/mo
For indie developers and small projects.
Most Popular
Pro
$29/mo
For growing apps and production workloads.
Ultra
$79/mo
For high-volume apps and teams.

FAQ

One key for all APIs?

Yes. A single API key gives you access to all 20+ APIs on CoreStackAPI. No per-API subscriptions.

How do I use my API key?

Pass your key as the X-API-Key header with every request: X-API-Key: csk_your_key_here

Can I cancel anytime?

Yes. Cancel from your dashboard at any time. You keep access until the end of the billing period.

What payment methods do you accept?

PayPal and all major credit cards (via PayPal Checkout). Secure, recurring monthly billing.

What happens if I exceed my quota?

Requests return a 429 with a clear error. Upgrade anytime from your dashboard to restore access.