How To Setup Shopify Payment Gateways, Apps & Integrations

Choose a Shopify payment provider by checking the merchant's business location, category, settlement requirements and the integration available in the store. For a Kuwait-based business, start with eligible third-party providers. Kuwait is not currently listed among Shopify Payments supported countries.

This guide covers the decisions to settle before connecting a provider or adding apps. Eligibility and pricing can change. Confirm them in the current Shopify admin and the provider's documentation before the merchant commits to the service.

Start with the merchant's requirements

Write down the payment methods customers need, the currencies used for orders and settlement, and the bank account that receives payouts. Ask the provider to confirm which requirements it supports for this specific business.

Also compare refund handling, disputes, payout schedules, onboarding requirements and support. A provider's brand name or availability in another Gulf country does not establish eligibility for a Kuwait merchant.

Check country and business eligibility

Shopify Payments is available only to eligible businesses in the countries Shopify lists. A country being supported does not remove its business-verification requirements. Check the list and the requirements again when planning the integration.

For Kuwait, evaluate the third-party providers actually offered for the store and confirm merchant approval directly with the provider. Do not choose a different business location simply to make a payment option appear.

Compare the complete payment cost

Request the current fee schedule from the provider and confirm the store's current Shopify plan. Compare processing charges, Shopify transaction charges where applicable, refunds, currency conversion and any fixed or recurring costs.

Shopify's third-party provider guidance explains that rates depend on location and directs merchants to current pricing. The absence of one Shopify charge does not mean that payment processing is free.

Use the merchant's expected order values and volume to compare written quotes. Keep the calculation separate from claims about a provider automatically improving sales.

Understand the checkout journey

Check whether the integration processes payment within the store or sends the customer to an external checkout. Both need a tested journey from the product page through payment and back to order confirmation.

Review Arabic and English wording, mobile layouts and what happens when payment fails or is cancelled. The store needs to show an accurate order state and a clear next step.

Connect the provider using its current instructions

A store owner or authorised administrator should follow the instructions for the selected integration. Confirm the provider name, required account permissions and the source of any app before activation.

Keep payment credentials in the approved integration settings and share access through supported roles. Do not put secret keys in page content, screenshots, email briefs or public source files. Document who owns the merchant account and who can maintain the connection.

Test without charging customers

Use the provider's supported test mode or sandbox with approved test data. Check a successful payment, a declined payment, cancellation and the return to the store. Verify the related order and stock state with the implementation team.

Shopify's test-order guidance explains that third-party providers can have their own testing instructions. Check those instructions before assuming a particular test card or sandbox workflow will work.

Agree how test records will be identified and who checks confirmation messages. Do not send test messages to actual customers. The merchant should approve the final readiness check before real payment processing begins.

Use manual payment methods only when operations support them

If the merchant offers cash on delivery or a manual payment method, explain the terms clearly and define the operational process. Confirm delivery coverage, payment confirmation and how unpaid orders affect stock.

Keep the instructions consistent with what the fulfilment team can do. A manual method is an operational choice, not a way to avoid business-verification requirements for other providers.

Choose apps around a specific job

After the payment journey works, identify gaps in reviews, customer support, delivery or email follow-up. Compare apps using the current listing, permissions, renewal cost and compatibility with the store.

Use authentic reviews with permission. Publish stock or activity messages only when they reflect real information. For email and messaging, agree consent, recipients and notification behaviour before turning on an automation.

Check the effect of each integration

Install only the tools the store needs. Review additional scripts, loading time and the mobile buying journey after each change. An app's feature list does not establish its effect on this store's conversion rate.

Our Shopify development guide connects payment and app decisions to catalogue, content and delivery work. For the wider brief, see our commerce practice.

Keep a handover record

Record the approved provider, account owner, settlement settings, fee schedule, test outcomes and support contacts. Include each app's purpose and recurring cost so the merchant can review the system later.

A clean handover lets the business maintain the store and investigate a problem without depending on an undocumented connection. Review availability and terms again when changing a provider or Shopify plan.