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A practical, experience-driven guide to designing a multi-seller B2B SaaS platform with Stripe Connect Express and Webhooks.
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Stripe Connect Express makes it easy to launch a multi-seller platform, but real complexity shows up after go-live. Seller accounts and capabilities change over time, and payment flows that rely on static assumptions eventually break.
This article walks through a practical approach to designing a Stripe Connect Express integration that survives those changes by treating Stripe as an event-driven system, using webhooks as the source of truth, modelling seller state internally, and making payment flows react to that state instead of relying on one-time checks.