Payment Gateway Integration Cost

Transparent UK pricing for payment gateway integration — Stripe, PayPal, Adyen, and GoCardless. All work by senior developers at £500/day.

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What Affects the Cost?

Platform choice

Stripe and PayPal are fastest to integrate. Adyen takes longer but offers enterprise features. GoCardless is Direct Debit only.

Integration depth

Hosted checkout (cheapest) vs custom UI vs full marketplace platform (most expensive)

Subscription complexity

Simple monthly plans vs usage-based billing with proration, dunning, and customer portal

Third-party sync

Standalone payment page vs syncing to Xero, QuickBooks, Salesforce, HubSpot, or custom ERP

Compliance scope

Standard SCA vs PCI-DSS scope reduction vs regulated industry requirements (gambling, financial services)

Migration vs greenfield

New integration vs migrating from another gateway with existing customers, cards, and subscriptions

Our Rate: £500/day

All pricing is based on senior UK payment developer rates of £500/day. Every project includes sandbox/test development, production deployment, webhook handling, error recovery, and 30 days of post-launch support.

For context: freelance payment developers charge £400–£650/day. Agency rates run £600–£1,000/day. We price at the senior end of freelance — you get senior expertise without agency overhead.

Payment Integration Cost FAQ

What's the cheapest payment integration?+

Stripe Payment Links or PayPal buttons — £500–£1,000, done in 1–2 days. No backend needed. For anything more custom, budget £2,500+.

Which platform is cheapest to integrate?+

Stripe and PayPal are fastest (1–2 weeks for standard checkout). Adyen takes longer (3–7 weeks) due to complexity. GoCardless is mid-range for Direct Debit.

Do you charge hourly or per project?+

Per project — fixed price based on scope. You know the cost upfront. No hourly billing surprises.

What about ongoing costs?+

Only the platform's processing fees (Stripe 1.5%+20p, PayPal 2.9%+30p, Adyen interchange++, GoCardless 1%+20p). We include 30 days of post-launch support.

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Tell us which platform and what you're building — we'll give you a fixed-price quote within 24 hours.

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