Customers abandon at the payment step
A clunky, slow or untrusted payment step is where carts die. The right gateway, well integrated, with the payment methods your customers expect, recovers sales you are currently losing.
Payment Integration
Payment Gateway Integration Services
Secure, conversion-focused payment integration done right. Stripe, PayPal, Razorpay, subscriptions, multi-currency and split payments, all PCI compliant, for businesses across the US, UK and Canada.
- PCI Compliant
- Subscriptions
- Multi-currency
- Fraud Protected
Where payments break down
Is your payment setup costing you revenue?
Payments are where the sale actually happens. If any of these sound familiar, you are losing money at the most important moment.
You cannot accept the payments customers want
Different regions and customers expect different methods, cards, wallets, bank transfer, buy-now-pay-later. Missing the ones your customers use means losing those customers.
PCI compliance feels like a minefield
Handling card data brings serious compliance obligations. Done wrong it is a liability. We integrate payments so sensitive data never touches your servers, keeping compliance simple.
Failed payments are quietly costing you
Declined cards, failed retries and broken webhooks lose revenue invisibly. Proper integration handles retries, dunning and failures so you capture every payment you should.
Subscriptions and billing are a mess
Recurring billing, proration, upgrades, failed-payment recovery and invoicing are genuinely hard. We build subscription billing that just works and keeps revenue flowing.
Payments do not flow into your systems
If payment data does not sync to your accounting, ERP or order system, someone reconciles it by hand. We wire payments into your stack so the money trail is automatic.
Who we work with
Industries we serve
We integrate payments for ecommerce, SaaS, marketplaces and any business that takes money online. We learn your model before we build.
Ecommerce
SaaS
Marketplaces
B2B & Wholesale
Education
Healthcare
Travel & Booking
Subscriptions
Nonprofits
Property & Rentals
What we build
Our payment integration services
From a single secure checkout to subscriptions, split payments and global methods, every integration is built secure, compliant and conversion-focused.
Payment Gateway Integration
Clean, secure integration of Stripe, PayPal, Razorpay, Authorize.Net, Square and regional gateways into your site or app.
Subscription & Recurring Billing
Recurring billing, plans, trials, proration, upgrades and dunning built on Stripe Billing or similar, with a customer portal.
Multi-currency & Global Payments
Accept payments in multiple currencies with local methods and pricing, so international customers check out in what feels native to them.
Checkout Optimization
Simple, trusted, fast checkout with the right payment methods, wallets and one-click options to lift conversion.
Marketplace Split Payments
Stripe Connect and similar to split a single payment across multiple vendors, deduct commission and automate payouts.
Digital Wallets
Apple Pay, Google Pay and Shop Pay integration for the fast, frictionless mobile checkout shoppers increasingly expect.
Buy Now, Pay Later
Klarna, Afterpay, Affirm and similar BNPL options integrated to increase average order value and conversion.
PCI-compliant Architecture
Integrations using tokenization and hosted fields so card data never touches your servers, keeping you compliant and secure.
Fraud Prevention & 3D Secure
Fraud screening, 3D Secure (SCA), address verification and risk rules to reduce chargebacks without hurting genuine buyers.
Payment Data Integration
Sync payments, refunds and payouts into your accounting, ERP and order systems so reconciliation is automatic.
Custom Payment Flows
Custom flows for deposits, instalments, pre-authorizations, saved cards and any payment logic your business needs.
Migration & Support
Migrate between gateways with no downtime or lost subscriptions, plus ongoing monitoring and support of your payment stack.
Why choose us
Payment integration done the right way
Payments are where security, compliance and conversion all meet, and where small mistakes cost real money. We get the hard edges right and stay around to monitor them. These are the standards behind every integration we ship.
Start your projectSecurity and compliance first
We integrate with tokenization and hosted fields so card data never touches your servers, keeping PCI compliance straightforward.
We handle the hard edge cases
Failed payments, retries, webhooks, refunds, disputes and SCA, the parts that quietly lose money, are built correctly.
Gateway-agnostic advice
We work across Stripe, PayPal, Razorpay, Adyen and more, and recommend the right gateway for your region, fees and needs.
Subscription billing expertise
Recurring billing is genuinely hard. We build plans, proration, trials, dunning and portals that keep revenue flowing.
Conversion-focused
The right methods, wallets and a frictionless flow. We treat the payment step as a conversion opportunity, not an afterthought.
Connected to your systems
Payments, refunds and payouts synced into accounting and ERP so your finance team is not reconciling by hand.
Fraud handled sensibly
Fraud screening and 3D Secure tuned to stop bad transactions without adding friction for your genuine customers.
Ongoing payment support
Payment stacks need monitoring and upkeep. We stay on to watch for failures and keep everything flowing.
How we work
Our payment integration process
Eight clear stages, with security and compliance designed in from the start and every edge case tested before go-live.
- 01
Discovery
We map your customers, regions, payment methods and compliance needs.
- 02
Gateway Choice
The right gateway and methods chosen for your fees, region and requirements.
- 03
Architecture
Secure, PCI-compliant integration and data flow designed up front.
- 04
Integration
Gateway, checkout, webhooks and tokenized flows built and wired in.
- 05
Systems Sync
Payments, refunds and payouts connected to your accounting and ERP.
- 06
Testing
Test cards, failures, refunds, SCA and edge cases verified thoroughly.
- 07
Go Live
Monitored launch with live-payment verification and rollback ready.
- 08
Monitor
Ongoing monitoring of failures, disputes and gateway health.
What is included
A basic checkout is not a payment system
Dropping in a payment button is easy. Handling the security, failures and edge cases that protect revenue is the real work. Here is what we build in.
What you get Basic setup Devlon StedyDesk
PCI-compliant tokenized integration
Failed payment & retry handling
Webhook & event handling
Subscription & recurring billing
Multi-currency & local methods
3D Secure (SCA) & fraud screening
Accounting / ERP sync
Basic single-gateway setup
Standard card checkout
Ongoing monitoring & support
Client words
Trusted with the most important step
They rebuilt our Stripe subscription billing with proper dunning and a customer portal. Failed-payment recovery alone increased our monthly revenue measurably. It finally just works and we stopped losing churned-by-accident customers.
Adding Apple Pay, Klarna and proper multi-currency lifted our checkout conversion noticeably. The integration is clean and we have had zero PCI headaches since they handled it. Exactly what we needed.
The split-payment integration with Stripe Connect handles payouts to hundreds of vendors flawlessly. They got every edge case right, refunds, disputes, partial payouts. The accounting sync saved our finance team a huge amount of manual work.
Built with proven tools
Payment providers we integrate
We work across the major gateways, wallets and BNPL providers, and recommend the right mix for your business.
- Stripe
- PayPal
- Razorpay
- Square
- Adyen
- Authorize.Net
- Stripe Connect
- Apple Pay
- Google Pay
- Klarna
- Afterpay
- 3D Secure
Questions, answered
Payment integration FAQs
How much does payment integration cost?
Most payment integration projects land between $2,000 and $25,000. A single-gateway card checkout sits at the lower end; subscription billing, multi-currency, split payments or deep system integration sit higher. Every quote is itemized before work begins.
Which payment gateway should I use?
It depends on your region, fees, payment methods and features. Stripe is excellent for most online businesses and subscriptions. PayPal adds reach and trust. Razorpay suits India, Adyen suits global enterprise. We recommend based on your customers, costs and requirements rather than defaulting to one.
How do you handle PCI compliance?
We integrate using tokenization and hosted payment fields, so card data goes directly to the gateway and never touches your servers. This keeps you in the simplest PCI compliance scope (SAQ A) and dramatically reduces your security burden.
Can you set up subscription and recurring billing?
Yes. We build recurring billing with plans, trials, proration, upgrades and downgrades, failed-payment dunning and a customer portal, typically on Stripe Billing, so revenue keeps flowing with minimal manual work.
Can you add multiple currencies and local payment methods?
Yes. We set up multi-currency pricing and presentment plus local payment methods, wallets and bank transfers, so international customers pay in what feels native to them, which lifts conversion.
Can you integrate digital wallets and BNPL?
Yes. We integrate Apple Pay, Google Pay and Shop Pay for fast wallet checkout, and Klarna, Afterpay and Affirm for buy-now-pay-later, both of which improve conversion and average order value.
Can you build split payments for a marketplace?
Yes. Using Stripe Connect or similar, we split a single customer payment across multiple vendors, deduct your commission and automate compliant payouts, with full handling of refunds and disputes.
How do you handle failed payments?
We implement smart retries, dunning emails, card-update flows and webhook handling so failed payments are recovered automatically wherever possible. For subscriptions this directly protects recurring revenue.
Do you handle 3D Secure and fraud prevention?
Yes. We implement 3D Secure (SCA) where required, plus fraud screening, address verification and risk rules tuned to block fraudulent transactions and reduce chargebacks without adding friction for genuine buyers.
Can payments sync with our accounting or ERP?
Yes. We sync payments, refunds and payouts into your accounting, ERP or order management systems so reconciliation is automatic and your finance team is not matching transactions by hand.
Can you migrate us between payment gateways?
Yes. We migrate between gateways carefully, including moving saved cards and active subscriptions where the providers support it, with no downtime and no lost recurring revenue.
Do you provide ongoing payment support?
Yes. Payment stacks need monitoring for failures, disputes and gateway changes. Most clients keep us on to watch payment health, handle issues and add methods as they expand.
Ready to fix the most important step?
Tell us how you take payments and where customers drop off. We will tell you the right setup, the realistic cost and timeline, usually within one business day.