I will integrate stripe and crypto gateway with secure API app integrations


About this gig
Are you struggling to add a secure, smooth, and reliable checkout system to your website or app? Tired of failed transactions, buggy integrations, or developers who cannot set up advanced billing flows?
I specialize in delivering clean, scalable, and fully optimized gateway integrations using Stripe, Coinbase, BitPay, NOWPayments, and other industry-leading solutions. Whether you need a simple checkout or a complete multi-currency crypto system, I build systems that are fast, secure, and user-friendly.
Here's what I offer:
- Stripe one-time charges, recurring billing & subscription logic
- Stripe Connect, Apple Pay, Google Pay, Klarna & advanced checkout flows
- Custom crypto wallet setup & blockchain gateway integrations
- Multi-currency support, balance management & transaction logs
- Real-time price updates, webhook automation & secure backend logic
- Web & mobile support using React, Node.js, Flutter, Firebase & more
- Full testing + debugging to ensure everything works perfectly
You can expect a clean setup, robust architecture, and a seamless user experience designed to improve conversions and scale with your business.
Ready to get started?
Send a message or order now for fast, project
Get to know Marvin M
- FromUnited States
- Member sinceNov 2025
- Last delivery5 days
Languages
English, French
FAQ
Can you set up both Stripe and crypto systems together?
Yes. I can integrate Stripe, Coinbase, BitPay, NOWPayments, or combine both fiat and crypto systems seamlessly.
Will the integration work on my current website or app?
Yes. I support React, Node.js, PHP, Flutter, Firebase, and most modern frameworks.
. Do you help with subscriptions or recurring billing?
Absolutely. I set up one-time charges, recurring plans, metered billing, and advanced subscription flows.
Can you help with mobile integrations like Apple Pay and Google Pay?
Yes. I fully support Apple Pay, Google Pay, Klarna, and all Stripe-supported checkout options.
. Do you provide a secure and tested setup?
Yes. Everything is tested end-to-end, including backend logic, webhooks, and validation.
Do I get full access and control after delivery?
Yes. You receive full access to dashboards, logs, API keys, and your integration code.
Can you create custom crypto wallets or token features?
Yes. I build secure wallet systems, real-time price features, token transfers, and blockchain integrations.
