Metered API Launch Kit
API keys, monthly quotas, usage logs, protected routes, and checkout-backed access issuance.
Usage-based Stripe billing
Stripe metered billing source kits for Node SaaS.
Pick a focused paid source kit for API quotas, usage warnings, revenue snapshots, invoice tax metadata, or cancel-save flows. Each product is an adapt-it-yourself source kit, not a hosted integration.
Metered Billing Buying Matrix
| Workflow | Best kit | Checkout |
|---|---|---|
| Issue API keys, enforce monthly quotas, log usage, and connect access to checkout. | Metered API Launch Kit | $29 on Gumroad |
| Warn customers as they approach usage limits or billing thresholds. | Stripe Usage Alerts Kit | $29 on Gumroad |
| Summarize MRR, ARR, paid invoices, refunds, and churn after subscription webhooks. | Stripe MRR Analytics Kit | $29 on Gumroad |
| Track invoice tax metadata and receipt-review state around Stripe invoices. | Stripe Invoice Tax Kit | $29 on Gumroad |
| Capture churn reasons and save-offer outcomes before cancelling a subscription. | Stripe Cancel Save Kit | $29 on Gumroad |
Included Product Paths
Stripe Usage Alerts Kit
Usage thresholds, notification events, billing-limit summaries, and idempotent webhook handling.
Stripe MRR Analytics Kit
Recurring revenue snapshots, paid invoice tracking, refunds, and churn metrics from Stripe events.
Buyer Notes
- Each product is an adapt-it-yourself source kit for developers.
- Buyers still configure Stripe products, prices, webhook endpoints, environment variables, persistence, and hosting.
- For a broader comparison, use the Stripe SaaS billing starter kits page.