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10+
Years building for the web
01The Problem
Payments fail quietly. Orders stay unpaid, customers give up, and you only notice when revenue comes in lower than it should.
The problem
A payment gateway that is technically connected can still lose you sales. Checkout errors go unnoticed, webhooks fail so orders stay unpaid, refunds are handled by hand, and card data ends up somewhere it should not be. Many plugins also force a checkout that does not match your brand or your customers' preferred way to pay.
How we solve it
We start by choosing the gateway that fits your market, fees, and platform. Then we connect it through its official API, build the checkout and webhook handling, and test successful payments, failures, refunds, and edge cases in the sandbox before any real customer is charged. Card data stays with the provider, so your servers never store raw card numbers.
Fewer abandoned checkouts
A clean checkout flow with the payment methods your customers actually use.
Orders that reconcile
Webhooks update order status automatically, so paid means paid in your system.
Card data kept safe
Payment details go straight to the provider, not through or into your server.
02Our Payment Integration Process
You always know what is being built and tested. Each step ends with something you can review before we move on.
03What's Included
More than an API key connected. Every project covers gateway choice, build, testing, and handover, so you know how payments flow through your system.
Gateway selection
We compare gateways on fees, supported countries, payment methods, and platform fit, then recommend one.
API integration
Official APIs or SDKs connected to your site, store, or app, with hosted or embedded card fields.
Checkout build
A checkout flow that fits your brand, works on mobile, and supports the payment methods you need.
Webhooks & order sync
Payment events update orders, receipts, and records automatically, including failures and retries.
Refunds & edge cases
Refunds, partial payments, declines, and duplicate payments handled and tested.
Sandbox testing & handover
Full test run before launch, plus documentation of keys, webhooks, and how to go live safely.
04Compare Options
Plugins are quick to install and in-house builds give full control. Here is where each one falls short when payments really matter.
| Feature | DeveloperLookBest fit | Platform plugin or hosted page | Build it in-house |
|---|---|---|---|
| Gateway chosen for your market | Yes, we recommend one | Whatever the plugin supports | Your team researches it |
| Custom checkout experience | Matched to your brand | Limited by the plugin | Full control, full effort |
| Webhooks and order sync | Built and tested | Basic or none | You build and monitor it |
| Multiple gateways together | Supported | Rarely | Extra build time |
| Refunds and failed payments | Handled and tested | Manual in many cases | Depends on your team |
| Card data handling | Stays with the provider | Varies by plugin | Depends on your design |
| Testing before launch | Sandbox scenarios | Minimal | Depends on your process |
| Time from your team | Low, we handle it | Low to medium | High |
05Projects We've Built
A selection of stores and payment flows we have built for clients.
06What Our Clients Say
Feedback from teams we have built online stores and payment flows for.
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150+
Projects shipped
100%
Client satisfaction
5★
Average review score
10+
Years building for the web
07Work Culture
How we work matters as much as the gateway we connect. These are the habits behind every payment project.
We start with how your customers pay and what gets in their way. Every setting traces back to a real checkout need.
Card data goes straight to the provider through official integrations, so your server never stores raw card numbers.
We connect international gateways like Stripe and PayPal alongside local ones such as FPX, Billplz, and iPay88.
We test payments, refunds, and failures in the sandbox so no real customer is charged while we work.
We use official APIs and avoid bloated plugins, so checkout stays fast and easy to maintain.
You get clear documentation of keys, webhooks, and go-live steps, so your team can maintain payments confidently.
08Overview
DeveloperLook integrates payment gateways into websites, web apps, and online stores. We choose the right gateway for your business, connect it through its official API, build the checkout and webhook handling, test payments and refunds in the sandbox, and launch. We work with Stripe, PayPal, Braintree, and local Malaysian gateways such as Billplz, iPay88, Toyyibpay, and FPX, on WooCommerce, Shopify, custom sites, and web apps.
Payment gateway integration connects your website or app to a payment provider so customers can pay securely at checkout and your system records each payment automatically.
Who it's for
Store owners launching online payments
You have a website or store and need customers to pay by card or wallet, without building payment handling from scratch.
Businesses with a failing or clumsy checkout
Payments fail, checkout takes too many steps, or your current plugin does not fit how you sell.
Startups building a web app
Your product needs one-time or recurring payments and you want a clean, secure integration from the first release.
Sellers serving more than one market
You need Stripe or PayPal for international buyers and local gateways or bank transfers for buyers in another country.
Agencies with client projects
Your client needs payments integrated and you want an engineering partner to deliver it under your brand.
Not a fit for
You want us to open a merchant account or approve you with a provider. The gateway or bank decides that, we integrate once you have access.
You want to buy a payment gateway from us. We integrate existing gateways rather than sell our own.
You need a payment license or to operate as a payment processor yourself. That is a different, regulated project.
You want a guaranteed approval rate or lower processing fees. Those depend on your provider and customers.
09Pricing
These are starting points in USD. Your final price depends on your platform, payment methods, and custom logic, and you get a fixed proposal after a free checkout review.
For sites and stores that need one gateway, such as Stripe or PayPal, connected and tested.
For businesses selling in more than one market or offering several ways to pay.
10For Agencies
Running a web or ecommerce agency? We integrate payment gateways into your clients' sites under your brand, so you can offer payments without hiring a payments specialist.
Stay client-facing
We work under your brand, so you keep the relationship and the credit.
Predictable delivery
Clear milestones and sandbox testing before anything touches live payments.
Specialist setup
Gateways and webhook edge cases handled by engineers who work with them regularly.
Flexible capacity
Bring us in per client or for several projects when your team is busy.
Step 01
Share the project details
Send the platform, markets, expected payment methods, and any gateway your client already uses.
Step 02
We scope and propose
You get a gateway recommendation, integration plan, and timeline before you commit.
Step 03
Build and hand off
We integrate, test, and document the setup under your brand, then hand over clear go-live steps.
11The Right Technology for Your Project
We work with the gateways, frameworks, and security tools your project needs, and keep card data with the provider.
Stripe
PayPal
Billplz
iPay88
Toyyibpay
FPX
Pick a 30-minute slot that works for you. We meet on Google Meet to align on goals, scope, and the right next step.
12FAQ
Straight answers on how payment gateway integration works, what it costs, and how long it takes.
Payment gateway integration connects your website, app, or store to a payment provider such as Stripe or PayPal. Customers enter their payment details at checkout, the provider processes the payment, and your system records the result automatically. It also covers refunds, failed payments, and order updates.
You choose a gateway, get API keys from the provider, connect the API or SDK to your site, build the checkout, and set up webhooks so payment results reach your system. Then you test every scenario in the sandbox before switching to live keys. We handle all of these steps for you.
On WooCommerce, WordPress, or Shopify, we connect the gateway to your checkout and order flow, either through the platform's official integration or a custom build when you need more control. We work inside your existing store, so you do not need to migrate to add a gateway.
Payment gateway integration starts at $1,500 for a single gateway, $3,500 for a multi-gateway checkout, and $6,500 for a custom payments platform. Final pricing depends on your platform, payment methods, and custom logic. You get a fixed proposal after a free checkout review. The gateway's own processing fees are separate and paid to the provider.
A single gateway on a standard setup typically takes 3 to 7 business days. Multi-gateway setups or custom checkout experiences usually take 1 to 3 weeks. You get an exact timeline in the proposal before the project starts.
Most often Stripe, PayPal, and Braintree, plus Malaysian gateways such as Billplz, iPay88, Toyyibpay, and FPX online banking. We can also work with other gateways that have a documented API. We help you pick the one that fits your market and fees.
We use the provider's hosted fields or redirect flows so raw card numbers never touch or get stored on your server, which keeps your PCI compliance scope small. Full PCI compliance also depends on how your business operates, so we tell you what remains on your side.
Yes. A common setup routes international buyers through Stripe or PayPal and local buyers through a regional gateway or bank transfer. We build one checkout that shows the right options and keeps all orders in one system.
Yes. We integrate into existing WordPress and WooCommerce sites, Shopify stores, custom web apps, and legacy sites, as well as new builds. We review your current checkout first so the integration fits what you already have.
Always. We test successful payments, declines, refunds, duplicate payments, and webhook failures in the provider's sandbox, then confirm a small live payment at launch. You see the results before customers start paying.
