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I will integrate paystack or flutterwave payments into your app
Joseph Obaje
À propos de ce service
Paystack or Flutterwave payments integrated into your app, verified on the server.
A payment button is only half the job. I integrate checkout, then verify the transaction server-side so a payment is only marked successful when the gateway confirms it.
WHAT'S INCLUDED
- Paystack OR Flutterwave checkout in one platform: Flutter, PHP or WordPress
- Test mode first, so you see a full test payment
- Handover notes: keys, testing, going live
- Server-side verification and webhooks (Standard/Premium)
NOT INCLUDED
- Opening/verifying your gateway account (your name, your documents)
- Gateway fees, hosting or paid plugins
- Guaranteed approval or sales
- Storing raw card details
PROOF - WORK I HAVE BUILT
Paystack integration in PHP with server-side verification, a Flutter booking app with payment confirmation, and a Flutter fintech wallet - portfolio projects using test payments.
HOW I WORK
1. Discover gateway, platform, currency
2. Build in test mode
3. Test, including failed/cancelled payments
4. Hand over code and go-live checklist
TECH: Flutter, Dart, PHP, Laravel, FastAPI, WordPress, webhooks
Message me before ordering. I usually reply quickly.
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Découvrez Joseph Obaje
Joseph Obaje
Flutter Developer, POS, School and Clinic Apps, Paystack
- DeNigeria
- Membre depuisjanv. 2019
Langues
Haoussa, Anglais
I build Flutter apps businesses actually run on: POS & inventory, school, clinic and booking apps, with Paystack and Flutterwave payments built in. I also fix Flutter bugs and build errors fast. HND in Computer Science, NILEST Zaria (2024). With a security background, I handle logins, payments and user data carefully. You get clean, documented source code you fully own, tested on real devices, with clear updates. Send me your idea or the error you're stuck on - I usually reply quickly.
Mon portfolio
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FAQ
Do I get the full source code?
Yes. You get the integration code for your project and notes on where to place your own test and live keys. You own the code delivered for your project; your gateway account stays yours.
Can you do both Android and iOS?
For Flutter, yes - the checkout integration is built for your Flutter app covering Android and iOS, subject to your app's setup. For PHP / WordPress orders, delivery is for that website/platform agreed before ordering.
Can you publish to the Play Store for me?
Publishing is not part of a payment integration. If I also built your app, Play Store upload assistance can be added as an extra using your own developer account.
Do you sign an NDA?
Yes, I can sign a reasonable NDA before work starts. I only need test keys during development wherever possible; live keys should be added by you following my notes, or shared only through the secure order flow at go-live.
What do you need from me to start?
Your gateway choice, platform, test API keys (not your password), what the payment is for, currency, and what should happen after a successful payment. See Requirements.
Will you test with real money?
No. We test in the gateway test/sandbox mode with test cards. Going live is a checklist we complete together after test payments pass; any live test after that is your decision on your account.
