Stripe API · Payments · UK
Stripe API Integration.
Custom Stripe API integration for UK businesses — payment forms, subscriptions, invoicing, webhooks and Connect built directly into your website or platform. Fixed price, no plugin limitations.
What it does
What the Stripe API provides.
The Stripe API is the most comprehensive payments infrastructure available to developers. It covers one-time payments, subscription billing, invoicing, Connect for marketplace payouts, Radar fraud prevention, Terminal for in-person payments and extensive webhook infrastructure for event-driven payment workflows.
A custom Stripe integration goes far beyond what WooCommerce or Shopify payment plugins provide — bespoke checkout flows, subscription logic tailored to your business model, Connect-powered marketplace payouts and webhook-driven automation all built exactly as your platform requires.
Why custom
Why a plugin won't cut it.
Payment plugins handle standard checkout flows. They cannot accommodate custom subscription logic, tiered pricing rules, multi-party Connect payouts, bespoke invoice workflows or payment-triggered automation. When your business model is specific, the payment integration needs to match it precisely.
Bespoke checkout flows
Custom payment UIs, multi-step checkout logic and embedded payment forms built to your exact design and UX requirements — not constrained by a plugin's template.
Subscription and billing logic
Stripe's subscription API is powerful but complex. Custom billing cycles, trial periods, proration and upgrade/downgrade logic all require bespoke implementation.
Webhook-driven automation
Payment events — successful charges, failed payments, subscription renewals — trigger automated workflows in your system. Plugins can't replicate this depth of event handling.
Connect for marketplaces
Stripe Connect enables multi-party payouts — platforms that split revenue between sellers, service providers and the platform itself. This always requires a custom build.
Real applications
Use cases for Stripe API integration.
SaaS and subscription platforms
Custom subscription tiers, trial periods, seat-based billing and upgrade flows built directly into your platform — not bolted on via a plugin that fights your business model.
Marketplace and multi-vendor platforms
Stripe Connect powers multi-party payouts — customers pay the platform, funds are split between sellers or service providers automatically via custom payout logic.
Custom invoicing and B2B billing
Automated invoice generation, payment link dispatch, due date tracking and payment reconciliation built into your internal tools or client portal.
Membership and gated content platforms
Payment-gated access with webhook-driven user provisioning — Stripe confirms payment, your system grants access, renewals and lapses handled automatically.
The process
How a Stripe API integration is built.
Every integration is scoped before development starts, tested in the Stripe sandbox environment and fully documented on handover.
Scoping
We establish your payment model — one-time, subscription, Connect or invoicing — and map out the full payment and webhook event flow.
Fixed-price quote
Clear, itemised quote before work begins. Scope agreed in writing.
Stripe account and webhook configuration
API keys, webhook endpoints, Stripe product and price configuration, and Radar rules set up for your environment.
Build and integration
Payment UI, checkout logic, subscription handling, webhook consumers and any triggered workflows built and integrated with your platform.
Testing and handover
Full end-to-end testing in Stripe test mode across all payment scenarios including failures, renewals and edge cases. Complete documentation provided.
The deliverable
What I build.
Every integration is scoped, quoted at a fixed price and built to your exact requirements. You own the code outright.
- Stripe API authentication and secure key management
- Custom payment form or Stripe Elements implementation
- Subscription creation, upgrade, downgrade and cancellation logic
- Webhook endpoint and event handler setup
- Payment-triggered workflow automation
- Stripe Connect multi-party payout logic (if required)
- Error handling and failed payment recovery flows
- Full documentation — you own the code outright
- Fixed price agreed before work starts
Common questions
Stripe API FAQ.
Do I need a Stripe account to use the Stripe API?
Yes. You need a Stripe account with your business verified. For Connect integrations, your platform account and connected accounts need separate setup. I advise on account structure during scoping.
What is Stripe Connect?
Stripe Connect allows platforms to process payments on behalf of other businesses and split funds between multiple parties. It's used for marketplaces, booking platforms and any system where revenue is shared.
Can Stripe handle complex subscription logic?
Yes — Stripe's subscription and billing API is highly flexible. Custom billing cycles, usage-based pricing, trial periods and proration are all supported through custom implementation.
How are failed payments handled?
Stripe's Smart Retries automatically retries failed subscription payments. A custom integration extends this with webhook-driven notifications, grace periods and account suspension logic tailored to your business.
How long does a Stripe integration take?
A straightforward payment form or subscription integration typically takes 1–2 weeks. Connect or complex multi-tier billing builds take 2–4 weeks depending on scope.
Pricing
Fixed-price builds. No hidden costs.
Every build is quoted at a fixed price. Stripe has no additional API licence costs beyond its standard transaction fees.
One-time Payments
£1,295
~1–2 weeks
Custom Stripe payment integration for one-time transactions. Secure payment forms, webhook handling for payment confirmation, refund processing and failed payment recovery. For ecommerce, service businesses and any platform needing bespoke card payment collection.
- Stripe Payment Intents integration
- Custom payment form (Elements or Checkout)
- Webhook handler — payment confirmation, failure, refund
- Secure server-side API key handling
- Email notification triggers on payment events
- Error handling and card decline recovery
- Recurring subscriptions
- Stripe Connect marketplace
Subscriptions
£2,495
~2–3 weeks
Full Stripe Billing integration for recurring subscription payments. Subscription creation, billing cycle management, upgrade and downgrade handling, failed payment retry logic and automatic access provisioning or revocation based on payment status.
- Everything in One-time Payments
- Stripe Billing — subscriptions, trials, proration
- Customer portal for self-serve plan management
- Failed payment retry with Smart Retries
- Dunning — access suspended on non-payment
- Xero or accounting system sync (if required)
Connect Marketplace
£3,995
~3–4 weeks
Stripe Connect integration for marketplace and platform businesses. Onboard third-party sellers or service providers, split payments between platform and connected accounts, handle payouts and tax reporting at scale.
- Everything in Subscriptions
- Stripe Connect — Express or Custom accounts
- Platform fee and split payment logic
- Seller onboarding and KYC flow
- Automated payouts to connected accounts
- 1099 / tax reporting data handling
Payment terms: 50% on agreement, balance on completion before handover. Stripe account setup is free at stripe.com — you’ll need a verified Stripe account before development begins.
See it in action
See a live Stripe webhook demo.
Trigger real Stripe events — payment succeeded, card declined, subscription created, refund issued — and watch the webhook fire and get processed in real time.
Try the live demo →A Stripe build like this slots neatly into the custom websites I design for Blackburn businesses, and pairs well with SEO that brings in the right traffic so more visitors convert.
Need Stripe API integration built?
Describe your payment requirements and I'll come back with a straight answer on what's involved and what it costs. Fixed price, no obligation.
