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App Development

Accept Payments Anywhere, in Any Currency

From one-time purchases to complex marketplace payouts, we build payment infrastructure that handles every transaction type securely. PCI-compliant, fraud-protected, and designed to scale with your revenue growth.

The Problem

Without App Development, you are leaving money on the table.

  1. 1

    Without Multi-Gateway Architecture

    Integrate Stripe, PayPal, Square, Adyen, and regional processors with intelligent routing to maximize approval rates and minimize fees - Without this, you risk wasting time, money, and competitive opportunities.

  2. 2

    Without Subscription & Billing Engine

    Automated recurring billing with usage-based pricing, trial management, proration, dunning workflows, and revenue recognition - Without this, you risk wasting time, money, and competitive opportunities.

  3. 3

    Without Fraud Prevention Layer

    Machine-learning fraud detection with risk scoring, velocity checks, 3D Secure authentication, and chargeback management - Without this, you risk wasting time, money, and competitive opportunities.

How We Do It

A proven process that transforms vision into reality

1

Payment Requirements Analysis

Map all payment flows, transaction types, currencies, and compliance requirements for your business model

2

Gateway Selection & Architecture

Select optimal payment providers and design the integration architecture with failover, retry logic, and webhook handling

3

Secure Implementation

Build PCI-compliant payment flows with tokenization, encrypted storage, and comprehensive logging for audit trails

4

Testing & Certification

Rigorous testing with sandbox environments, load testing for peak traffic, and PCI DSS compliance verification

The Proof

CodeLeap transformed our vision into a complete product in just 3 months. The quality and commitment were exceptional - we could not have achieved this on our own in an entire year.
SC

Sarah Chen

Chief Technology Officer, TechVista Inc.

3x

Average project delivered 3x faster than industry standard

What You Get

Timeline: 4-10 weeks

Technologies

Stripe APIPayPal SDKNode.jsPostgreSQLRedisWebhooksPCI DSS

Deliverables

  • PCI-compliant payment integration
  • Subscription billing engine
  • Payment analytics dashboard
  • Fraud detection configuration
  • Webhook handling and retry logic
  • PCI compliance documentation

Ready to start?

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