---
title: "BigCommerce Storefront API + Laioutr"
canonical_url: "https://www.laioutr.com/en/blog/big-commerce-api-laioutr-frontend-connection"
locale: en
meta:
description: "How the BigCommerce GraphQL Storefront API connects to the frontend with Laioutr."
"og:description": "How the BigCommerce GraphQL Storefront API connects to the frontend with Laioutr."
"og:title": "BigCommerce Storefront API + Laioutr"
---
# BigCommerce GraphQL Storefront API + Laioutr: How the Frontend Connects
Table of contents
1. [1.What the GraphQL Storefront API provides](#what-the-graphql-storefront-api-provides)
2. [2.Laioutr is the consumer, BigCommerce is the source of truth](#laioutr-is-the-consumer-bigcommerce-is-the-source-of-truth)
3. [3.What this means in practice](#what-this-means-in-practice)
4. [4.A configured layer, not a greenfield build](#a-configured-layer-not-a-greenfield-build)
5. [5.Performance and hosting](#performance-and-hosting)
6. [6.FAQ](#faq)
1. [1.What the GraphQL Storefront API provides](#what-the-graphql-storefront-api-provides)
2. [2.Laioutr is the consumer, BigCommerce is the source of truth](#laioutr-is-the-consumer-bigcommerce-is-the-source-of-truth)
3. [3.What this means in practice](#what-this-means-in-practice)
4. [4.A configured layer, not a greenfield build](#a-configured-layer-not-a-greenfield-build)
5. [5.Performance and hosting](#performance-and-hosting)
6. [6.FAQ](#faq)
If you run BigCommerce and want a modern frontend without building one from scratch, the integration question is simple: how does the frontend layer talk to BigCommerce? This article walks through how Laioutr connects to the GraphQL Storefront API and what stays where.
## What the GraphQL Storefront API provides
BigCommerce leans on open SaaS, the GraphQL Storefront API and the Next.js framework Catalyst as a headless starting point. The API serves product and catalog data, cart operations, customer accounts and checkout. Because the API is the contract, any frontend can consume it, including Laioutr.
## Laioutr is the consumer, BigCommerce is the source of truth
Laioutr connects to the existing GraphQL Storefront API as a configured layer, not a custom integration project. BigCommerce remains the single source of truth: catalog, pricing, promotions, inventory and orders stay in the backend. There is no data duplication and no sync layer to keep consistent. The frontend requests data when it renders and sends cart and checkout actions back through the API.
## What this means in practice
- Product and category pages render from live GraphQL Storefront API responses
- Cart and checkout actions go through the API, so order logic stays in BigCommerce
- Customer accounts and order history come from the API
- B2C and B2B specifics are served through the API and rendered in Laioutr components
## A configured layer, not a greenfield build
A custom frontend has to handle every API edge case itself. Laioutr ships the commerce components and their API behaviors prebuilt, so the connect step is configuration against your schema. Marketing teams then compose [pages and campaigns](https://www.laioutr.com/en/composable-headless-frontend) on top without touching the integration.
## Performance and hosting
Laioutr serves the frontend from an EU CDN with a [Lighthouse 100 target](https://www.laioutr.com/en/product/performance-core-web-vitals) and server-side rendering for SEO. Frontend-layer caching reduces load on the BigCommerce backend for read-heavy catalog traffic.
## FAQ
### Does Laioutr store our product data?
No. Data stays in BigCommerce. Laioutr requests it at render time through the GraphQL Storefront API; there is no duplicate datastore.
### Is the backend touched during setup?
No backend re-architecture is required. You use the GraphQL Storefront API and configure the Laioutr connect layer. See the [BigCommerce pillar page](https://www.laioutr.com/en/headless-frontend-for-big-commerce) or [talk to our team](https://www.laioutr.com/en/contact).
More on Laioutr: [Personalization](https://www.laioutr.com/en/product/personalization).
Related reading: [Pimcore GraphQL API (Datahub) and REST + Laioutr: How the Frontend Connects](https://www.laioutr.com/en/blog/pimcore-api-laioutr-frontend-connection) and [OroCommerce REST API (API-first) + Laioutr: How the Frontend Connects](https://www.laioutr.com/en/blog/oro-commerce-api-laioutr-frontend-connection).
---
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