# Build with Finqu Make the whole commerce experience your own. Build a custom storefront, connect the systems a merchant uses, and carry the store's brand through checkout and marketing campaigns. For agent projects, start with [Agentic Commerce](/ai/agentic-commerce/overview) or [Admin Agents](/ai/ai-commerce/overview). ## Storefronts Build a headless storefront with the Storefront GraphQL API, Nexus Next.js theme, and SDK. [Storefront overview](./storefront/overview) · [Get started](./storefront/getting-started) · [Storefront API](/apis-and-tools/storefront/overview) ## Apps and integrations Connect ERPs, CRMs, shipping providers, and other services to merchant operations. Extend the admin and receive store notifications in your application. [Apps & integrations](./apps-integrations/overview) · [Admin REST API](/apis-and-tools/rest-api/overview) · [Webhooks](/apis-and-tools/rest-api/webhooks) ## Storefront themes Customize the shopping experience with Liquid templates, reusable sections and blocks, assets, and theme settings. [Theme architecture](./liquid-themes/architecture) · [Theme structure](./liquid-themes/theme-structure) · [Local development](/apis-and-tools/theme-dev/getting-started) ## Marketing Bring the store's products into personalized marketing messages and social media content. Create campaign email templates with Liquid and MJML, or connect agents to the marketing and social tools through Admin MCP. [Marketing messages](./liquid-themes/customer-communications/marketing-messages/overview) · [Marketing & social tools](/apis-and-tools/mcp/admin) · [MJML basics](./liquid-themes/customer-communications/mjml-basics) ## Customer communications Use store and customer context to personalize messages and documents. - [Transactional emails](./liquid-themes/customer-communications/emails/overview) — Customize customer notifications - [Print templates](./liquid-themes/customer-communications/prints/overview) — Create invoices, packing slips, and other documents ## Checkout customization Keep the customer experience consistent through payment. Customize checkout templates and styling on eligible plans. Checkout has its own Liquid templates and doesn't use storefront sections or blocks; contact Finqu support when starting a customization. [Checkout guide](./liquid-themes/checkout) · [Checkout objects](/reference/liquid/objects/checkout/global) ## Product feeds Create feed templates for marketplaces, advertising channels, and other systems that need structured product data. [Product feeds](./liquid-themes/feeds/overview)