SSL certificate not working on your custom domain?
Why HTTPS fails after you connect your own domain to Vercel or Netlify: DNS, leftover AAAA records, CAA rules, proxies and mixed content, with the fix for each.
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Guides for apps built with AI
Plain-language guides for people who built an app with Lovable, Bolt, Cursor, v0 or Replit: finding what broke, making it safe and getting it live.
110 articles · Page 9 of 13
Do you need a staging environment for a small app?
When a small app needs a staging environment, and a simple setup with a second Supabase project, branch previews and Stripe test mode that costs little to run.
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Stripe Checkout vs Payment Element: which should you use?
Hosted Checkout, the embedded form or the Payment Element: how Stripe's payment UIs differ in effort, control and upkeep, and which one fits a small SaaS.
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Marketplace payments with Stripe Connect: the basics
How Stripe Connect works for a marketplace: connected accounts, the three charge types, taking a platform fee, onboarding sellers and who covers refunds.
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How to set up the Stripe customer portal for your SaaS
Let customers cancel, change plan, update their card and download invoices with the Stripe customer portal: settings to choose, the API call and webhooks.
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Failed subscription payments in Stripe: retries and access
What happens when a subscription renewal fails in Stripe: Smart Retries, failed-payment emails, what to do with access during past_due, and how to test it.
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Refunds and disputes in Stripe: a guide for small SaaS
How refunds work in Stripe, what happens when a customer disputes a charge, when to accept or fight a chargeback, and how a SaaS can prevent most disputes.
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How to add Stripe subscriptions to your app the right way
Build Stripe subscriptions that stay correct: what to store, which webhook events to handle, how to check access on the server and how to test renewals.
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Moving Stripe from test mode to live: a checklist
Everything that changes when Stripe goes from sandbox to live: keys, products, webhooks, saved customer IDs, emails and the first real payment to check it.
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