Payment Gateway Integration

API & Third-Party Integration

Payment Gateway Integration Services

Payment gateway integration connects your website or app to a payment provider so customers can pay by card, UPI, wallets or bank transfer. We integrate Stripe, Razorpay, PayU, PayPal, Checkout.com and regional gateways, including subscriptions, refunds, split payments and reconciliation.

Integrations quietly run your business in the background, so reliability matters more than anything. We build them with clear error handling and monitoring so problems are spotted and fixed quickly.

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What we offer

CheckoutCards, UPI, wallets, Apple Pay and Google Pay.
SubscriptionsRecurring billing and plan changes.
Split paymentsMarketplace payouts and commissions.
Refunds and disputesAutomated handling and notifications.
ReconciliationMatch payments to orders and accounting.

Common use cases

UPI and cards for Indian customers
Stripe for US, UK, Ireland and Australia
Regional gateways for the UAE and Saudi Arabia
Multi-currency checkout

Technology

Stripe
Razorpay
PayU
PayPal
Checkout.com
Webhooks

Business benefits

Accept cards, UPI, wallets and net banking
Higher checkout conversionwith saved cards and one-click payments
Subscriptions and recurring billing
Automatic reconciliationwith your accounts

Why work with Webtech Evolution

10+ years of delivery272+ projects for 118+ clients in 12+ countries since 2014.
One team, end to enddesign, front end, back end, mobile, QA and DevOps under one roof, so nothing gets lost between vendors.
Clear estimatesa written scope, timeline and price before work starts, and demos throughout the build.
You own everythingcode, designs and documentation are handed over in full and covered by an NDA.
Working hours that overlap with yoursMonday to Friday, 10:00–19:00 IST, with extended hours available for clients in the USA, Canada and New Zealand.

Case studies

See it in action

Gift Works

Multi-Store Shopify Platform with Gift Cards and Instalments

Wazobia

Multi-Vendor Grocery Marketplace in the USA

Morinda

Salon Chain Website with Location Booking and POS Sync

Our process

How we work

Discovery

understand your goals, users, current systems and constraints.

Plan and estimate

written scope, timeline and price.

Design and build

short cycles with regular demos.

Test and launch

quality checks, security review and a smooth go-live.

Support

monitoring, fixes and improvements after launch.

Distinct Solutions

Related services

Custom API DevelopmentRead more

Shipping & Logistics API IntegrationRead more

Accounting Software IntegrationRead more

WhatsApp Business API & SMS IntegrationRead more

All API & Third-Party Integration servicesRead more

Need extra developers instead? Hire developers.

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FAQ

Frequently asked questions

Razorpay, PayU and Cashfree are popular for UPI, cards and wallets. We choose based on your fees, payment methods and settlement needs.

International and regional providers operate in the Gulf, including support for mada cards in Saudi Arabia. We confirm current availability for your business.

We use the gateway's hosted fields or checkout so card data never touches your servers, reducing your compliance scope.

Stripe, PayPal, Razorpay, PayU, Cashfree, PhonePe, Paytm, Checkout.com, Adyen and others.

No. We use hosted fields and tokenisation so card data goes directly to the gateway, keeping your PCI-DSS scope small.