Payment Integration Services
Payment gateway integration for websites and ecommerce: Stripe, PayPal, Apple Pay, Google Pay, subscriptions, and secure checkout flows.
Quick links: Pricing and timeline • Frequently asked questions • Cases • Support • Request estimate via form
Fast qualification
We clarify the scope, estimate effort, and propose a realistic delivery plan
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Concrete tasks we can take over
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Stripe / PayPal checkout
When this fits: you need one-time online payments on a website or platform
Timeline1-3 weeks
Budgetfrom €600
Subscriptions and recurring payments
When this fits: you need plans, recurring billing, access states, and webhook logic
Timeline3-6 weeks
Budgetfrom €1,500
Payment events + CRM
When this fits: successful, failed, and refunded payments must trigger business workflows
Timeline2-5 weeks
Budgetfrom €1,200
What is included in payment integration services
- Payment gateway integration for websites and web platforms
- Stripe and PayPal integration for one-time payments
- Apple Pay and Google Pay setup in checkout
- Subscription and recurring payment implementation
- Webhook handling and payment status synchronization
- Checkout UX optimization for conversion
- Invoice and order status integration with CRM/ERP
- Fraud and failure-flow handling with retries
Who this is for
- Ecommerce stores with online checkout
- SaaS products with recurring billing
- Service businesses selling online
- Marketplaces and booking platforms
- Teams migrating between payment providers
What you get
- Production-ready payment flow
- Integrated checkout and callback logic
- Subscription lifecycle handling
- Technical documentation for finance flows
- Monitoring and alerting setup
- Post-launch support options
Delivery process
Scope and compliance mapping
Providers, regions, and legal constraints
Checkout architecture
UX flow, payment methods, and edge cases
Integration implementation
API setup, webhooks, and back-office sync
QA and security checks
Failure paths, retries, and monitoring
Go-live and support
Release, analytics, and ongoing maintenance
Timeline and pricing
Pricing
Stripe / PayPal checkout
from €600One-time online payments on a website or platform with checkout flow, success/cancel states, and basic webhooks.
Subscriptions and recurring payments
from €1,500Plans, recurring billing, paid access states, customer portal, and webhook logic.
Payment events + CRM
from €1,200Automated actions after successful, failed, or refunded payments: CRM, email, Telegram, dashboard.
Tech stack and integrations
Useful guides before estimating
Buyer guides with cost, scope, and risks for this service.
Payment gateway integration cost
Stripe, PayPal, checkout, webhooks, subscriptions, and refunds.
Open guideFAQ: payment gateway setup, pricing, timeline
Pricing depends on provider count, checkout complexity, subscriptions, and CRM sync requirements.
Yes. We can provide multi-provider checkout with fallback and status synchronization.
Yes. We configure wallet payments where provider and region allow it.
Yes. We build recurring billing with trial periods, renewals, and failure handling.
Yes. We connect payment events with order lifecycle and analytics.
Yes. We sync successful, failed, and refunded payment states to CRM workflows.
Yes. We implement idempotency, retries, and monitoring for stable operations.
Typical implementation takes 1-4 weeks depending on business rules and provider scope.
Yes. We handle phased migration with minimal disruption to active users.
Yes. We provide maintenance plans for updates, incident response, and improvements.
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