Headless Storefronts Require Full Checkout

This is really a claim about where checkout software has to live when brands move to headless storefronts. In a Next.js setup, the merchant is building the whole customer journey as real web routes, product page, cart, checkout, thank you, not just dropping a widget into a platform template. A popup can speed up payment, but it leaves the merchant to build the surrounding pages, logic, and post purchase flow themselves. Rally is aiming to sell that whole layer, not just the pay button.

• Bolt has historically positioned itself as a native, behind the scenes acceleration layer that plugs into the merchant checkout button, improves conversion, and adds login, identity, and payments without forcing a full platform migration. That works well as an overlay, but it is a lighter product boundary than owning the checkout and confirmation pages end to end.
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• Headless commerce shifts work from the platform template to the brand's frontend team. The merchant might keep Salesforce Commerce Cloud or Shopify as the backend, but use Next.js or Jamstack on the front end so developers can control every screen and API call. In that world, checkout is another page set that has to be built and maintained like the rest of the site.
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• The strategic split is between one click as a feature and checkout as a product. Bolt talks about recognition, passwordless login, and network driven conversion. Rally frames checkout as a revenue surface, with dedicated checkout, post purchase offers, and confirmation pages that can be tailored by campaign or channel.
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As more enterprise brands rebuild storefronts as composable apps, checkout vendors will be pushed up the stack. The winners will not just recognize returning shoppers, they will provide production ready page flows that developers can slot into a modern frontend without rebuilding the hardest part of commerce from scratch.