1) Need for full checkout code control without higher-tier pricing
- If an organization requires extensive checkout changes but will not or cannot adopt a higher-tier plan or third-party solutions, Shopify Checkout is likely to be constraining.
2) Requirement for arbitrary on-checkout scripting
- If attribution, surveys, reviews, or upsell workflows depend on arbitrary third-party scripts firing on checkout or order status pages, Shopify’s extensibility and script governance may be restrictive.
3) Need for complete independence from platform-driven changes
- Shopify may roll out checkout UX changes, deprecate older customization methods, and adjust rules. Organizations requiring absolute stability and control over the checkout experience may prefer a self-owned checkout stack.
4) Availability of in-house engineering/security resources to manage a self-owned checkout
- At enterprise scale, some organizations select composable or self-hosted checkout solutions to control UX, experimentation, identity, and data pipelines, accepting increased security and PCI responsibilities.