One API to add paid licenses to Chrome extensions, VS Code plugins, Discord bots, and desktop apps. Three lines of code. No monthly fees.
Install the SDK, validate the license, ship it. Your AI assistant can do it in 30 seconds — or paste three lines yourself.
{ "valid": true, "plan": "pro" }
Simple, powerful tools to monetize your work and keep control.
Tell your AI to add licensing, or paste 3 lines. You're earning today, not next quarter.
The only licensing API with an MCP server. Your AI assistant handles the entire setup.
3% flat fee. No monthly costs, no tiers. The lowest rate in the industry.
Millisecond response times with built-in rate limiting and device fingerprinting.
Real-time revenue tracking, activation metrics, and customer insights.
Real-time events for purchases, renewals, and cancellations.
Sign up free and connect Stripe. No credit card required.
Install the SDK and validate licenses. Works on any platform.
Payments go directly to your Stripe. We take 3%, you keep the rest.
No tiers. No monthly charges. One transparent fee that never changes.
No credit card required · Free until your first sale
We charge 2–5× less than alternatives — and it never changes.
| VoltBee | ExtensionPay | Gumroad | Lemon Squeezy | |
|---|---|---|---|---|
| Transaction fee | 3% | 5% | 10% | 5% |
| Monthly fee | $0 | $0 | $10/mo | $0 |
| All platforms | ✓ | Chrome only | Downloads | Downloads |
| Stripe Connect | ✓ | ✗ | ✗ | ✗ |
| AI-native (MCP) | ✓ | ✗ | ✗ | ✗ |
| Setup time | 5 min | 30 min | 15 min | 15 min |
Three lines of code. No monthly fees. Start monetizing in minutes.
Get started free