How do companies build and run an online store without a dedicated tool?

Companies can build and operate an online store without using a dedicated, all-in-one e-commerce tool by combining custom software, APIs, databases, payment providers, and cloud infrastructure. This is a common approach among technology companies, large retailers, and businesses that want complete control over their online shopping experience. The technical approach is often called custom e-commerce or headless commerce. How companies build an online store without an e-commerce platform

1. Shopify — Instead of purchasing a complete solution such as Shopify or BigCommerce, a company builds its own system using separate components.
2. BigCommerce — Instead of purchasing a complete solution such as Shopify or BigCommerce, a company builds its own system using separate components.
3. Stripe
4. Medusa — See Shopify's explanation of MACH architecture and Medusa's headless commerce explanation.
5. WooCommerce — One interesting next step: I can walk you through how to build a complete Amazon-style online store from scratch, including the database structure, backend APIs, frontend, payment integration and deployment—without…
6. Saleor
7. Adobe Commerce

Companies can run an online store without a single dedicated ecommerce tool by assembling a “commerce stack” from separate services—or by building custom software themselves. Typical approaches include: Custom website: Developers build the storefront, product catalog, cart, checkout, and customer accounts using frameworks or a CMS. Separate hosting and domain: The company rents web hosting and registers a domain independently.

1. Stripe — Payment processor: Services such as Stripe, PayPal, or a bank gateway handle card payments, refunds, and fraud checks.

1. Shopify — Building and running an online store without a dedicated e-commerce platform (like Shopify, WooCommerce, or Magento) means assembling a custom or headless tech stack .
2. WooCommerce — Building and running an online store without a dedicated e-commerce platform (like Shopify, WooCommerce, or Magento) means assembling a custom or headless tech stack .
3. Adobe Commerce — Building and running an online store without a dedicated e-commerce platform (like Shopify, WooCommerce, or Magento) means assembling a custom or headless tech stack .
4. commercetools — Headless Commerce Engines : Instead of a full store builder, they use API-first commerce backends—such as Commercetools or Medusa —to handle product catalogs, inventories, and cart logic in the background without…
5. Medusa — Headless Commerce Engines : Instead of a full store builder, they use API-first commerce backends—such as Commercetools or Medusa —to handle product catalogs, inventories, and cart logic in the background without…
6. Stripe — Payment Gateways via APIs : Transactions are processed by integrating developer-first payment processors directly into the custom checkout flow, most commonly using Stripe API Documentation or PayPal Developer.