Not just Stripe
Stripe is one option, not the whole category. NOR can help with Stripe, Square, PayPal, Shopify, QuickBooks, and other payment or billing tools when the workflow calls for it.
Payments & billing
Payment flows that do not fall apart after checkout.
Nerd On Retainer builds payment systems, checkout flows, subscriptions, customer billing portals, invoices, deposits, refunds, and payment automation across providers.
What can be built
- Custom checkout flows
- Subscriptions and plan access
- Customer billing portals
- Invoice workflows
- Deposits and partial payments
- Refund workflows
- Failed payment handling
- Webhook automation
- Payment confirmation emails
- Admin payment dashboards
Connect payments to operations
The real value is what happens after payment: update access, notify the team, create the account, mark the invoice, trigger onboarding, or move the request forward.