Gateway integration
Connect providers such as Razorpay, Stripe, PayPal, PayU, CCAvenue or Cashfree.
Digital Unicon Services
Payment API Integration Services
Secure payment gateway integrations for websites and apps, with checkout, payment methods, subscriptions and transaction updates.
A clear and reliable payment flow helps customers complete purchases and gives teams accurate transaction information. We integrate payment gateways and APIs into new or existing websites and applications.
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Project overview
A practical way forward
Built around your goals and your users.
PlanDesignBuildImprove
- 01Secure checkout
- 02UPI, cards and wallets
- 03Payment status webhooks
- 04Refund and subscription flows
What we do
A complete service, shaped to fit.
We define the scope around your product, team and current priorities. Here are the main areas this service can cover.
Payment methods
Enable suitable UPI, card, wallet and net banking options for your market.
Subscriptions
Set up recurring plans, renewals, trials and failed-payment handling where supported.
Webhooks and refunds
Configure payment status updates, refund workflows and transaction reconciliation.
Custom checkout
Integrate branded checkout, marketplace split payments or wallet flows to match requirements.
How we work
A clear path from first conversation to launch.
We keep decisions visible and delivery moving in practical stages, with space for feedback along the way.
The goal
Useful progress at every stage, with the next step clear.
- 01
Step 1
Review business model and payment needs
- 02
Step 2
Compare gateway capabilities and regions
- 03
Step 3
Integrate APIs with the application
- 04
Step 4
Test success, failure, refund and edge cases
- 05
Step 5
Configure production and provide support
Tools & technology
A stack that fits the work.
We select tools to suit your requirements, existing systems and team.
- Razorpay
- Stripe
- PayPal
- PayU
- CCAvenue
- Cashfree
- WooCommerce
- Shopify
- Node.js
- Python
- Laravel
Why it matters
Designed for meaningful outcomes.
- ✓Offer payment methods suited to customers
- ✓Keep transaction records and status updates connected
- ✓Support recurring or marketplace payment flows
- ✓Use trusted providers for sensitive payment handling
Project planning
Clear scope. Tailored estimate.
Every project is scoped individually. These are the factors we review before preparing an estimate:
- —Number of gateways and payment methods
- —Website, mobile, subscription or marketplace scope
- —Custom checkout and refund requirements
- —Testing, compliance and integration needs
FAQ
Frequently asked questions
Which payment gateway should I choose?+
It depends on your market, payment methods, fees and business model. We can help compare suitable options.
Can you add UPI and international payments?+
Available methods depend on the provider and your account setup; we can integrate supported options.
Can you integrate payments into an existing app?+
Yes. We can review the existing platform and integrate a suitable payment flow.
Do you handle refunds and webhooks?+
Yes. These can be included in the integration scope.
Let’s get started
Planning a payment api integration services project?
Tell us about your goals and constraints. We’ll discuss a practical scope and next steps.
Talk to our team