Add subscriptions and one-time purchases to Chrome or Edge (Firefox soon) in minutes. Start 100% client-side โ no backend required. Need secure LLM/API gating? Use the server-side API to verify paid status, with Stripe webhooks syncing your DB.
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What does BillingExtensions help with?
SDK setup in under a minute
Works 100% client-side with just the SDK
Built for LLM extensions (secure API gating)
No content script required
Optional server-side API when you need it
Stripe Connect: get paid to your own Stripe account