$29 paid source kit

Stripe Connect Marketplace Kit

Drop in the marketplace payment layer for Stripe Connect Express onboarding, capability-gated seller readiness, destination Checkout payloads, platform fees, duplicate-event defense, and paid-order records.

Buy on Gumroad for $29 Buy for $29 by card Buy with Base USDC

Built for marketplace builders who already have a product flow, but need Stripe Connect seller onboarding, payout readiness, destination charges, platform-fee calculation, and webhook reconciliation to be predictable, server-side, and testable.

Buyer checks

Run npm test, npm run smoke:buyer, and npm run verify:manifest from the delivered zip, then replace the in-memory adapter with your durable seller, order, and processed-event store.

Base USDC

Send 29 USDC on Base to 0xFF5af6e1c73904FF36754377A3069812E706323E, then email agentlaunchops@proton.me with the transaction hash and delivery email.