Drop‑in checkout. Minutes to integrate. Built to scale.

Ship a beautiful, production‑ready checkout without the heavy lift. Geins Checkout is an open‑source, drop‑in experience that runs on the Geins cloud‑native platform—tapping directly into Cart, Promotions and Orders so totals, taxes and discounts are always right.

Start your trialView on GitHub
    Drop‑in integration
    Add a full checkout to any storefront—or use it standalone. Reduce time‑to‑value from weeks to hours.
    Brandable UX
    Make it yours with flexible layouts and styles so checkout feels native to your brand.
    Promotions‑aware
    Built on Geins Promotions and Cart so stacking, eligibility and clean rounding just work.

Why a drop‑in checkout?

As a merchant you get speed without compromise: ship fast, keep control and iterate as your business evolves. Geins Checkout plugs directly into cloud‑native services like Cart and Promotions, so the same pricing rules and discounts your customers see across your storefront appear in checkout—automatically and consistently.

    Faster time‑to‑market
    Launch a best‑practice checkout in days, not sprints. Focus your team on differentiation, not infrastructure.
    Higher conversion
    A streamlined flow reduces friction and cart abandonment while keeping totals and promotions accurate.
    Built to experiment
    Own the code. Test copy, steps and visuals. Ship changes safely behind feature flags.
Browse the repositoryOpen on Stackblitz
Checkout Desktop

Features that make it work

Geins Checkout plugs directly into cloud‑native services like Cart and Promotions, so the same pricing rules and discounts your customers see across your storefront appear in checkout—automatically and consistently.

Payments integrations
Geins supports all major payment providers and can be easily extended to support new ones.
Cart as a service
Geins Cart handles lines, adjustments and totals so checkout stays in sync with your storefront.
Product Catalog Inventory
The Cart and product catalog are always in sync to ensure accurate pricing and availability.

How it integrates

Get up and running in minutes with a clean hand‑off to your stack.

    Connect your Geins project
    Provide API URL and API key; checkout talks directly to Cart, Promotions and Orders.
    Cloud‑native performance
    Geins services scale automatically and stay available during peaks. No ops, no stress.
    Headless and flexible
    Use with or without an existing storefront. Compose with the SDK or drop in as a ready‑made flow.
    Open source (MIT)
    Full transparency, no lock‑in and a community‑driven roadmap. Fork, extend and contribute.
    Brand the experience
    Tune tokens, copy and steps so the flow feels native.
    Bring your own payment providers
    Hook up payments and shipping with your preferred providers.

Start converting with Geins Checkout

Drop‑in simplicity with the power of an open, cloud‑native commerce backend. Build fast, stay flexible and scale with confidence.

Get startedSee pricing