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Building checkouts since 2007 | Any provider

Payment gateway integration for any provider

We build card payments into websites, apps and checkouts. WooCommerce, Shopify, custom builds and AI built apps, connected to the provider you already use or the one we help you choose.

  • Plugins set up, custom checkouts and full API builds
  • Broken checkouts fixed and providers switched
  • Free look, then one fixed quote
Works withWooCommerceShopifyCustom buildsHeadlessMobile appsAI built apps

Tell us what you need

Your platform, your provider and what is not working. We reply the same day.

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Quick answer

What is payment gateway integration?

Payment gateway integration connects a payment provider to your website, app or checkout so customers can pay and every payment updates your orders. eCom Pro integrates any provider, including eCom Pay, Stripe, PayPal, Worldpay and Square, on WooCommerce, Shopify, custom builds and AI built apps, with a fixed quote after a free look.

17+

years building checkouts

200+

websites launched

Any

payment provider

7

days a week support

Payment gateway integration by eCom Pro
Any providerTested end to endFixed quote

How a payment integration works

01

Free look

Send us the site or app, the platform and your provider. A developer replies the same day.

02

One fixed quote

A written scope and one price, agreed before any work starts.

03

Built and tested on a copy

Every payment path tested, including refunds, failed payments and 3D Secure, without touching your live checkout.

04

Live and supported

Switched on at a quiet time, checked with a live payment and supported 7 days a week.

Payment gateway integration being built and tested

Choosing a payment provider?

We integrate whichever provider you pick. If you would like a recommendation, we look at what you sell, where you sell it and how you want to be paid, and suggest the one that fits. For specialist sectors such as online pharmacy, vape, skill based competitions and dating, we usually recommend eCom Pay, our sister company.

Ask for a recommendation
Customer paying by card on an online store
5.0 from 39 Google reviews

Sharfin designed and built our new website to enable us to accept online payments. The new website looks amazing and navigating around it so simple compared to what we had before. Sharfin and his team have always been available when we have required any technical support or assistance.

Chris StandenJust Vape and Juices Limited

Done all our website. It now accepts payments and it was very complex. Reachable at all sorts of odd hours, and had a very simple journey with sharfin. Highly recommend them and their expertise.

Prestige KeysChauffeur and car hire, Luton

Sharfin was an absolute pro. Took time to really try to understand our needs and propose solutions which fit our budget and timescales. He made smart suggestions without being pushy but improving the plan so we didn't waste time or resources on things we don't need.

Mohammed YasirGoogle review
Google reviews Trustpilot reviews

Most payment problems we get called in for are in the setup, not the provider. Webhooks that never fire, 3D Secure that breaks on mobile, a plugin conflict after an update. We build it properly, test every path and stay on the phone after it goes live.

Sharfin KhanFounder of eCom Pro and High Risk Payment Gateway Specialist at eCom Pay

Payment gateway integration questions

What is payment gateway integration?

Connecting a payment provider to your website, app or checkout so customers can pay and every payment updates your orders. It covers installing or building the connection, wallets such as Apple Pay, 3D Secure, webhooks, refunds and testing before it goes live.

Which payment providers do you integrate?

Any provider with a plugin or a published API, including eCom Pay, Stripe, PayPal, Worldpay, Square, Adyen, Checkout.com and Opayo. If you are still choosing, we recommend one that suits what you sell.

Which platforms do you work on?

WooCommerce, Shopify, custom websites, headless storefronts, and web and mobile apps, including apps built with AI tools such as Lovable, Bolt and Claude.

How much does payment gateway integration cost?

Every job is quoted after a free look, because connecting a plugin and building a custom API integration are very different jobs. You get one fixed price before any work starts.

Can you work on a site someone else built?

Yes. Most of our integration and fixing work is on websites and apps built by other developers.

Do you recommend a payment provider?

If you ask, yes. It depends on what you sell, where you sell and how you want to be paid. For specialist sectors such as pharmacy, vape, competitions and dating we usually recommend eCom Pay.

Get your payments built properly

Tell us your platform and provider. A free look, a fixed quote and the same team from start to finish.

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