Payment Integration Specialists

Turn Every Checkout Into Revenue

We design and integrate secure, high-converting payment experiences with Stripe, Klarna, Affirm and more — so your customers pay the way they want and your revenue grows faster.

Free 30-minute consultation • US-based team • No obligation

Secure checkout with card, wallet and pay-later options

Integrating the payment platforms your customers already trust

StripeKlarnaAffirmPayPalApple PayGoogle Pay
Payment providers connected to your store

Who We Are

Payment integration, done right the first time

TeamDevApps is a US-based team of payment integration specialists. We help e-commerce brands, SaaS companies and marketplaces connect the right providers, remove friction at checkout, and unlock new revenue with modern Buy Now, Pay Later options. From the first line of code to launch and beyond, we handle the complexity so you can focus on growth.

  • ✓Certified expertise across the modern payments stack
  • ✓Secure, compliant and built to scale
  • ✓Clear communication from kickoff to launch

What We Integrate

Payment solutions we integrate

One partner for every payment method your customers expect — from cards and wallets to flexible financing.

Stripe

Stripe

Full Stripe integration — payments, subscriptions, Connect marketplaces and custom checkout flows built to scale.
Klarna

Klarna

Flexible Pay Later and installment options that lift average order value and win back abandoned carts.
Affirm

Affirm

Transparent monthly financing at checkout, so shoppers confidently complete bigger purchases.
PayPal & Digital Wallets

PayPal & Digital Wallets

Apple Pay, Google Pay and PayPal for one-tap, frictionless checkout on every device.
Subscriptions & Billing

Subscriptions & Billing

Recurring billing, metered usage and dunning management that keep revenue predictable.
Custom & Headless

Custom & Headless

API-first, headless and multi-provider setups tailored to your exact tech stack.

Why TeamDevApps

Why growing brands choose us

More than developers — a partner invested in your checkout performance.

Payment Integration Experts

Payment Integration Experts

Deep, hands-on experience across Stripe, Klarna, Affirm and the wider payments ecosystem.

Secure & Compliant

Secure & Compliant

PCI-DSS aware, tokenized and engineered to protect every transaction and your customers’ data.

Built to Convert

Built to Convert

We optimize checkout UX to reduce drop-off and turn more visitors into paying customers.

Fast, Reliable Delivery

Fast, Reliable Delivery

Clear timelines, clean code and integrations that go live on schedule.

US-Based Team

US-Based Team

Work with a responsive team that understands your market and shares your time zone.

Support That Stays

Support That Stays

Monitoring, updates and help long after launch. We don’t disappear.

The Business Case

Modern payments, measurable growth

The right payment experience does more than process transactions — it drives revenue. Offering the methods your customers prefer, including flexible financing, means more completed purchases and bigger orders.

  • ✓Increase average order value with Buy Now, Pay Later
  • ✓Reduce cart abandonment at the final step
  • ✓Reach more customers with cards, wallets and financing
  • ✓Build trust with a secure, familiar checkout
  • ✓Get paid faster with automated, reliable flows
Payments analytics dashboard showing revenue growth

Integrations Delivered

%

Payment Uptime

Providers Supported

Avg. Client Rating

How We Work

A simple path to a better checkout

A proven process that keeps your project clear, on-time and stress-free.

01

Discovery & Strategy

We learn your business, stack and goals, then recommend the right payment mix.

02

Integration & Build

We implement and configure your providers with clean, secure, documented code.

03

Testing & QA

Rigorous sandbox and live testing, so every transaction works flawlessly.

04

Launch & Optimize

We go live, monitor performance and fine-tune for maximum conversion.

“

TeamDevApps rebuilt our checkout with Stripe and Klarna in just a few weeks. Conversions climbed, cart abandonment dropped, and our team finally stopped worrying about payments.

Client photo

Harry

Head of E-commerce

Ready to upgrade your checkout?

Let’s build a payment experience your customers love — and your business profits from. Book a free consultation with our US-based team today.

Prefer email? Reach us at [email protected]