Payment Solutions

Explore 105 boilerplates in this category. Find the perfect starting point for your next project.

Featured Boilerplates

Visit website for ShipAppsFast

ShipAppsFast

NextJS SaaS Boilerplate with Authentication, Database, Payments, and more

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Visit website for WrapFast

WrapFast

The SwiftUI boilerplate with all you need to build monetizable AI Wrappers or any iOS app FAST

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Visit website for BuilderKit

BuilderKit

Highly modular NextJS AI Boilerplate that allows you to ship an AI App super fast

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Visit website for Scale to Zero AWS

Scale to Zero AWS

Production-ready AWS serverless kit using best practices

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Visit website for Kickstart

Kickstart

The boilerplate for building React apps fast

JavaScript
TypeScript
Chakra UI
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Visit website for NextStarter AI

NextStarter AI

The Next.js template to quickly create your SaaS, AI tool, or any web application

JavaScript
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Tailwind CSS
Supabase
Lemon Squeezy
Stripe
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Visit website for FlutFast

FlutFast

Flutter SaaS Boilerplate with authentication, onboarding, in-app purchases, AI integration, and more

Dart
JavaScript
TypeScript
Flutter
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Visit website for ApparenceKit

ApparenceKit

A Flutter template to launch profitable mobile apps at lightning speed

Dart
Flutter
Firestore
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RevenueCat
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AI
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Visit website for SaaSConstruct

SaaSConstruct

AWS cloud template for building SaaS applications in one day

JavaScript
Python
TypeScript
Vue.js
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Lemon Squeezy
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Why Use Payments-Specific Boilerplates?

Payment provider selection determines your billing architecture, from checkout flows to subscription lifecycle management. Each provider offers distinct approaches to webhook systems, tax compliance, and failed payment handling. Our collection features provider-specific boilerplates that leverage each payment gateway's API capabilities and compliance features.

Payment-integrated boilerplates provide provider-specific webhook handlers with cryptographic signature verification, implement provider-native subscription management APIs with proper state synchronization, leverage provider-specific features (Stripe Tax, PayPal Reference Transactions), and include provider-optimized retry logic and dunning flows. Each integration follows its provider's security and compliance guidelines.

Key Benefits

  • Provider-specific API integration
  • Cryptographic webhook security
  • Provider subscription management
  • Provider compliance features
  • Automated tax handling
  • Provider-specific dunning logic
  • Self-service billing portals
  • Provider invoice systems

Browse our collection of 105 payments boilerplates to find the perfect starting point for your next SaaS project. Each boilerplate has been carefully reviewed to ensure quality, security, and production-readiness.

Frequently Asked Questions

What payment API features are implemented?

Payment integrations implement provider-specific APIs: Stripe uses Payment Intents and Checkout Sessions, PayPal implements Orders API, Paddle uses Checkout API. Each includes webhook handling, subscription management, customer portals, and proper error handling with provider-specific retry logic.

How are payment webhooks secured and processed?

Webhook implementations verify cryptographic signatures to ensure authenticity. Each provider's webhook system is handled differently: Stripe validates signatures with timestamp checks, PayPal uses certificate validation. All include event deduplication, asynchronous processing, automatic retries, and comprehensive event type handling.

What subscription management features are included?

Subscription features include multi-tier plans, trial periods, prorated upgrades/downgrades, metered billing, usage tracking, and automatic renewal. Each provider's subscription model is implemented: Stripe's subscription schedules, Paddle's subscription management, PayPal's billing agreements with proper state synchronization.

How are failed payments handled?

Failed payment handling includes provider-specific retry schedules, automated customer notifications, grace periods, and payment method update flows. Stripe uses Smart Retries, PayPal implements Reference Transactions. All include dunning email sequences and automatic service suspension after final retry failures.

How are tax calculations and compliance handled?

Tax and compliance features use provider-specific solutions: Stripe Tax for automatic calculations, Paddle handles EU VAT automatically, PayPal includes tax APIs. All implementations follow PCI DSS Level 1 standards, implement SCA for European customers, and generate compliant invoices with proper tax documentation.