Build a Real Business with AI

When Rafal's friend needed an online store, he turned to the stack that wouldn't compromise efficiency or quality - Wix Headless for the business, Google Stitch for the design, and Claude Code to build it. He scaffolded a full production storefront by end of day one.

Since then, solitairec.com has processed $25,000 in gross payment volume and logged over 217,000 API calls. Here's how it was built, and Rafal's takeaways for developers thinking about their next project.

The problem wasn't building a store. It was not wanting to build everything else.

"It feels like I don't have any backend to test. I rely a lot on the SDK which makes development a lot smoother." - Rafal Koziarz

In today's AI-first world, the question isn't can this be built from scratch - it's whether it's worth the time, tokens, and cognitive load to rebuild something that already exists and works extremely well. For Rafal, the answer was short: no.

Wix's Business Manager and Wix SDK, delivered to his agent via the Wix MCP, wired up his custom frontend fast. solitairec.com was online with a new storefront by the end of the first session.

Why Wix Headless and not another option?

"I found the experience simple... I did actually enjoy working with the product." - Rafal Koziarz

There are alternatives - a custom stack with Stripe and a headless CMS, pure Shopify, a full Next.js build wired to a separate backend. What made Wix Headless different came down to two things.

The backend was already there. Commerce, auth, CMS, email - all of it on Wix's infrastructure. No database to provision, no auth service to configure, no email provider to integrate. The SDK is the surface; Wix is everything behind it.

His partner can manage it herself. Product catalog, collections, content - all through the Wix Dashboard, no developer required. For a solo dev building for small businesses, a business manager the client actually understands is a genuine force multiplier. Rafal writes code. His partner manages inventory. Neither blocks the other.

The stack: Claude Code + Google Stitch + Wix Headless

This is where it gets interesting for anyone thinking about how AI-assisted development - vibe coding, agentic coding, whatever we're calling it this week - changes what's possible.

Google Stitch handled UX wireframing. The key move: Stitch exports brand guidelines as a DESIGN.md file - an agent-friendly markdown document. That file goes directly into the LLM context, so the agent works within the actual brand's visual system from prompt one - not a generic scaffold.

Claude Code did the heavy lifting on implementation. Scaffold, iterate, test - all through the agent. With the Wix SDK's TypeScript typings, Claude had enough structure to generate reliable, idiomatic code rather than falling back to raw REST calls.

Wix Headless was the platform. The SDK handled commerce, CMS, and auth. The frontend was Rafal's to decide - he went with Vercel. Business logic: pricing, inventory, checkout, customer identity - already in Wix, already working.

The combination is the point. Stitch fed brand context to the agent. Claude Code turned it into working components. The last third of the project was wiring, not rebuilding.

What he didn't have to build

"Version one only took a day... it relies a lot on the checkout and the login which is still Wix, and the front end is described by the LLM already." - Rafal Koziarz

Rafal didn't build an auth system - Wix handles login, sessions, and identity. He didn't build a checkout UI - Wix manages the payment flow. He didn't build a CMS or an admin panel - his partner has a full product management interface in the Wix Dashboard, alongside CRM, coupons, and transactional email tools.

Rafal's job was to connect the dots. That's it.

Was it worth it?

solitairec.com wasn’t just a one-off build for Rafal. As his partner scales the business and expands its global footprint, the infrastructure has to keep pace. By choosing Wix Headless, he’s already hit several production milestones:

High performance. Lighthouse scores consistently between 80 and 100.
Efficiency. Running costs are maintained at a lean ~$50 USD per month.
Global reach. Organic traction across Canada, Saudi Arabia, and Asia.
Polished UX. A refined interface with near-zero dead clicks.
Growth. Initial sales increased by approximately 30% month-over-month.

Would Rafal choose the same stack again? The answer is an unambiguous yes. He dives deeper into the technical execution and the results in his post-launch writeup on his personal blog.

Want to try Wix Headless yourself?

The skill file gives your coding agent everything it needs to start building with the Wix SDK. Drop it into Claude Code, Cursor, or any agent that accepts context - and you're starting from the same place Rafal did.

The docs are the next stop. And if you want to talk through what you're building with an engineer actually shipping the product, the booking form at the bottom of wix-headless.dev is a real calendar, not a contact form.