I will integrate stripe paypal payment gateway and third party API

Need Stripe, PayPal or any third-party API integrated into your project?

I will integrate a secure payment gateway or any REST API into your

existing backend or website properly handled, with webhooks, error

handling and real database records, not just a checkout button that

looks like it works.

PAYMENT GATEWAY INTEGRATION

Stripe integration checkout, payment intents, cards

PayPal integration

Stripe Connect for marketplaces and multi-vendor platforms

Subscriptions and recurring billing

Webhook handling for payment success, failure and refunds

Saving transactions and order status in your database

Sandbox testing and go-live guidance

THIRD-PARTY API INTEGRATION

Any REST API integration into your backend

OAuth and API key authentication flows

SMS, email and notification APIs Twilio, SendGrid, Firebase

Google, Maps and social login APIs

OpenAI and AI API integration

Webhook endpoints and callback handling

Rate limiting, retries and proper error responses

WORKS WITH YOUR STACK

Node.js, NestJS, Express, Java, Spring Boot I integrate into your

existing project without rewriting what already works.

SECURITY

I use your sandbox or test credentials during development.