CartDNA is a Shopify Payment App Development Partner

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Getting Started

How to Install CartDNA Shopify Apps

Install the CartDNA App in minutes. Follow this step-by-step guide to connect your store, approve access, choose payment methods and launch your first checkout flow with CartDNA.

8-step installation
No coding required
Full test included
Ready in 10 minutes

Fast installation

Complete CartDNA installation in 8 guided steps. No developer skills required. Ready to go live in 10 minutes.

Approve secure access

CartDNA requests only minimum required permissions. Verify app access during installation.

Activate global payments

Choose from hundreds of local and global payment methods. No developer integration required.

Why installing CartDNA correctly matters

Installing the CartDNA Shopify App is the first step to unlock international payments, local payment methods and advanced checkout conversion tools for your store. During this process, you'll approve access, connect your CartDNA account, activate the payment methods you want to offer and test the full checkout flow before going live.

This guide covers all critical steps, from logging in to your Shopify Admin to completing your first test transaction. By following this process, you'll avoid common setup issues, confirm that payment settings are correctly configured and ensure your customers receive a frictionless, PCI-compliant checkout experience.

Before you start installation

Make sure you have these things ready before you start the CartDNA installation.

Active Shopify store

You must be logged in as store owner or have admin access to Shopify.

CartDNA account

You need a CartDNA account (sign-up available during installation if needed).

Selected plan

Choose the CartDNA plan tier (Free, Growth or Enterprise) based on your business needs.

Payment gateway account details

If you use Stripe, PayPal or Adyen, have your gateway account details ready for connection.

Preferred payment methods

Identify which payment methods you want to offer in each region before activating.

Tip: Plan ahead which payment methods to activate for your target markets. This speeds up initial setup and ensures local payment methods are available at launch.

CartDNA installation steps (step-by-step)

Follow these steps to install the CartDNA Shopify App correctly.

1

Step 1: Log in to your Shopify Admin

Open your Shopify Admin dashboard and navigate to the Apps section.

  • Go to admin.shopify.com and log in
  • Click 'Apps' in the left sidebar
  • Select 'Customise your store' or 'Shopify App Store'
2

Step 2: Find the correct CartDNA App

Search for 'CartDNA' in the Shopify App Store and select the official app.

  • Type 'CartDNA' in the search bar
  • Locate the app developed by CartDNA Inc. (verified developer)
  • Check the app rating and number of reviews (typically 4.8/5)
  • Click the 'Add app' button to continue
3

Step 3: Approve app access

Review the requested permissions and authorise CartDNA to access your store.

  • Review the requested permissions (read/write payments, products, orders)
  • Verify the app developer is 'CartDNA Inc.' (verified developer)
  • Click 'Install app' to confirm and approve
4

Step 4: Connect your CartDNA account

Create or log in to your CartDNA account to link the app to your Shopify store.

  • You'll be redirected to the CartDNA login/registration screen
  • Log in with your existing CartDNA account or create a new account
  • Verify your email address if you're a new customer
  • Authorise CartDNA to connect to your Shopify store
Need help with account linking?
5

Step 5: Choose payment methods

Select the payment methods you want to activate for your customers in different regions.

Examples:

  • Activate Bancontact and iDEAL for Belgian/Dutch customers
  • Add Klarna and Afterpay for buy-now, pay-later
  • Include Apple Pay and Google Pay for fast checkouts
  • Activate SEPA bank transfers for European markets
  • Add BLIK for Polish customers
View all available payment methods →
6

Step 6: Review store settings

Verify that your currency, market and checkout settings are correct.

  • Check your store currencies and target markets
  • Confirm that your payment gateway accounts are connected (Stripe, PayPal, etc.)
  • Verify your tax compliance and compliance settings (if required for your region)
  • Confirm checkout configuration settings (styles, branding, UX rules)
7

Step 7: Run a test transaction

Execute a full test order to confirm that payments are working properly.

  • Enable payment test mode (also called sandbox mode) in your CartDNA dashboard
  • Add a product to your storefront and proceed to checkout
  • Use test cards (provided by Stripe/PayPal) or test payment method credentials
  • Complete the checkout flow and confirm the payment is processed
  • Verify the order appears in your Shopify Admin and CartDNA dashboard
Test troubleshooting guide →
8

Step 8: Go live with confidence

Turn off test mode and start accepting real payments.

  • Disable payment test mode in your CartDNA dashboard
  • Confirm your live payment gateway accounts are active and verified
  • Run one final test payment in live environment (small amount) to confirm
  • Announce new payment method availability to your customers (email, social media, store banners)

Why installing CartDNA correctly matters

A clean installation ensures payments work from day one, compliance is met and your customers receive a secure, frictionless checkout experience.

Higher conversion

Local payment methods can boost conversion rates by 20-40% in target markets.

Automatic compliance

CartDNA installation ensures PCI-DSS, GDPR and cross-border tax compliance.

Faster payment activation

A clean installation avoids setup delays, payment errors and customer service disruptions.

Support + monitoring

Once installed, CartDNA monitors payment health, tracks uptime and notifies gateway issues.

Common mistakes to avoid when installing

Don't make these common mistakes when installing CartDNA on Shopify.

  • Not switching to test mode before going live (can result in real transaction charges during testing)
  • Ignoring local payments for target markets (missed conversion opportunities)
  • Forgetting to verify payment gateway accounts (Stripe, PayPal) before live activation
  • Skipping the full checkout flow test step (may miss setup errors)
  • Not configuring store currencies correctly (can lead to payment failures or incorrectly displayed prices)
  • Skipping checkout settings verification after installation (can lead to poor user experience)

Frequently asked questions

How long does CartDNA installation take?

Most installations complete in 10-15 minutes. Exact time depends on how many payment methods you activate and whether you need to connect third-party payment gateway accounts (Stripe, PayPal, etc.).

Can I add more payment methods after installation?

Yes. You can add, remove or adjust payment methods at any time from your CartDNA dashboard. Changes apply instantly to your Shopify checkout flow.

Does CartDNA replace Shopify Payments?

CartDNA complements Shopify Payments and can run in parallel. You choose which payment methods to use CartDNA for and which to use native Shopify Payments. CartDNA unlocks hundreds of local payment methods that Shopify Payments doesn't support natively.

What should I do if installation fails?

If installation fails or gets stuck, first check your internet connection and Shopify Admin permissions. Then verify you're installing the official CartDNA App (verified developer: CartDNA Inc.). If the issue persists, contact CartDNA support team via live chat or email.

Ready to install CartDNA?

Follow this step-by-step guide, test your first payment and launch new payment methods for your customers worldwide. Takes 10 minutes.

CartDNA Shopify App installation and activation

CartDNA is a Shopify checkout and payment platform that unlocks local payment methods, global payment options and advanced conversion tools for Shopify and Shopify Plus stores. Installing the CartDNA Shopify App is fast, guided and requires no developer skills. Merchants can activate new payment methods, connect payment gateways like Stripe, PayPal and Adyen, and test the full checkout flow before going live. CartDNA supports hundreds of local payment methods including Bancontact (Belgium), iDEAL (Netherlands), BLIK (Poland), Klarna and Afterpay (buy now, pay later), Apple Pay, Google Pay, SEPA bank transfers and more. The installation process includes approving app access, connecting your CartDNA account, selecting payment methods and running test transactions. Once installed, CartDNA monitors payment health, tracks transaction failures and ensures PCI-DSS and GDPR compliance across all selling regions.

What happens after installing CartDNA?

After installation, you'll have access to the CartDNA dashboard where you can: activate or deactivate payment methods, connect payment gateway accounts (Stripe, PayPal, Adyen), view payment analytics and conversion rates, configure checkout options by region/market, test payments in sandbox mode, review transaction histories and receive updates on new payment methods and features. CartDNA also provides support and monitoring tools: payment health alerts, transaction anomaly notifications, live chat and email integrations and access to knowledge base guides, integration guides and troubleshooting guides.