Payment Gateway Integration

Stripe, GoCardless, PayPal, and custom payment flows - built correctly, reliably, and with the security financial transactions demand.

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Secure Payment Integration

We design and build secure payment integrations for businesses across the UK and Isle of Man. Whether you need subscription billing with Stripe, direct debit with GoCardless, one-time payments with PayPal, or a custom payment flow - we build it correctly, reliably, and with the security that financial transactions demand.

Payment integration is not a place to cut corners. Incorrect handling of payment webhooks leads to orders fulfilled without payment or customers charged without fulfilment. Inadequate error handling means failed payments never retried. We treat payment integration as business-critical.

Owen Jones, with payment integration experience across e-commerce, SaaS, professional services, and fintech.

Who This Is For

SaaS businesses needing subscription billing
E-commerce businesses needing reliable one-time payments
Businesses collecting recurring payments via direct debit
Professional services needing payment links and retainer billing
Platforms needing split payments
Businesses with unreliable existing payment integration

What We Deliver

Stripe

Subscriptions, one-time payments, payment links, invoicing, trials, proration, and webhooks

GoCardless

Direct debit with mandates, scheduling, and failure handling

PayPal

Standard and advanced checkout flows

Subscription Management

Plans, trials, upgrades, downgrades, cancellations, and proration

Failed Payment Recovery

Intelligent retry and customer communication

Webhook Processing

Idempotent, reliable event handling

Payment Reconciliation

Verify payment data matches application data

Revenue Analytics

Dashboards showing MRR, churn, failed payment recovery rates, and other subscription metrics that matter

Our Approach

1
Handle Webhooks Correctly

Webhooks are where most payment integrations go wrong. We build handlers with idempotency, proper event ordering, failure recovery, and comprehensive logging.

2
Test Every Failure Mode

Declined cards, expired cards, insufficient funds, disputes, refunds, webhook failures - all tested comprehensively in Stripe's test mode.

3
Build for Compliance

PCI DSS compliance, encrypted communication, sensitive card data never touches your servers.

Technologies We Use

Stripe
GoCardless
PayPal
C#
ASP.NET Core
Hangfire
REST APIs
AWS
Azure
SQL Server

Don't see your stack? Get in touch.

Frequently Asked Questions

Stripe is our default recommendation. GoCardless for direct debit B2B. PayPal for customers preferring not to share card details.

Yes - we work with existing architecture.

Proration, immediate or end-of-period changes, credit handling - all configured to your business rules.

Refund flows, dispute handling, and chargeback management are all included by the third-party payment service provider, and we handle the integration so these work reliably with your application state.

Related Services

Integrations

API integration and automation services
SaaS Platforms

Subscription-based platform development
Third-Party Integrations

Connect your business platforms

Ready to Implement Your Payment Integration?

Tell us what you need. We'll give you an honest assessment.

Book a Free Consultation