Customers abandon checkout because payment options are limited.
Stripe, Razorpay, PayPal, and UPI integrated so customers pay however they want.
Service
Payment Integration Services
Stripe, Razorpay, PayPal, UPI, subscription billing, and secure payment gateway integration.
Sound Familiar?
The problems we get called in to fix.
If you recognise two or three of these, it's worth a conversation.
Subscription billing errors are costing you revenue.
Subscription billing built to handle upgrades, downgrades, and failed payments correctly.
You're not confident your payment flow is secure.
Secure payment gateway integration done right the first time.
International customers can't pay in their preferred method.
Multiple payment gateways integrated so no customer is turned away.
Reconciling payments across gateways is a manual mess.
Unified payment reporting across every gateway you use.
Failed recurring payments quietly cost you revenue.
Dunning logic that retries and recovers failed subscription payments.
In Short
What payment integration services involves.
A payment integration isn't done when the first test payment succeeds. It needs webhooks that confirm payments reliably, handling for failures and refunds, subscription retries, GST-ready invoices and daily reconciliation with your bank settlements. We integrate Indian and international gateways into websites, apps and billing systems with all of that included.
Trusted by 40+ companies
What's Included
Where this service applies.
Not an upsell list — this is what's actually covered under payment integration services.
Stripe is included in Payment Integration Services, scoped in your written quote.
Razorpay is included in Payment Integration Services, scoped in your written quote.
PayPal is included in Payment Integration Services, scoped in your written quote.
UPI is included in Payment Integration Services, scoped in your written quote.
Subscription billing is included in Payment Integration Services, scoped in your written quote.
Secure payment gateway integration is included in Payment Integration Services, scoped in your written quote.
Stripe
Stripe is included in Payment Integration Services — scoped to what your project actually needs and listed in the written quote.
Who It's For
Who asks us for payment integration services.
The situations people are usually in when they ask us for this.
01
Website checkout
UPI, cards, net banking and wallets on an e-commerce store or booking site.
02
Subscriptions
Recurring billing for SaaS, memberships or services, including UPI AutoPay mandates.
03
In-app payments
Payments inside Flutter, Android and iOS apps, following store rules for digital goods.
04
Reconciliation
Matching gateway settlements against orders and invoices so accounts close without manual checking.
Scope Estimator
Rough out your timeline in ten seconds.
Pick what you're building and we'll show an honest range. It's an estimate, not a quote — but it's the same maths we start from.
01 — What are you building?
02 — How big is it?
03 — Anything else? (optional)
How A Payment Integration Services Engagement Runs.
Six stages from first call to live delivery — nothing advances until the stage before it is signed off.
01
Discovery
2–3 daysWe work out what actually has to be solved — the constraints, the users, and what can be cut from scope.
02
Scoping
3–5 daysA concrete plan agreed before anything is built, so nothing gets rebuilt later because of a missed assumption.
03
Design & Architecture
1–2 weeksThe technical approach and any interface work, reviewed with you until the direction is signed off.
04
Build
2–8 weeksBuilt in short cycles with visible progress — you see it working early and often, not just at the end.
05
QA & Launch
1–2 weeksTested against real conditions before it goes live, then deployed with a rollback plan in place.
06
Support
OngoingPost-launch fixes, monitoring, and improvements. You keep everything either way.
Quality Bar
The commitments we hold ourselves to on payment integration services.
Not aspirations — the same terms on every engagement, regardless of scope.
100%
Scope agreed in writing
Before any work starts
24h
Typical response time
During an active engagement
Tools We Use
What we use for payment integration services.
Chosen per project, not by habit — the right tool for your scale, your team, and what you'll need to maintain.
RaRazorpay
StStripe
PaPayU
CaCashfree
PaPayPal
UPUPI AutoPay
Node.js
LaravelRelated Work
Real projects in this space.
Client Voices
What clients say once we ship.
40+Companies trust us
11Industries served
We were able to successfully complete the project by meeting the best partner. They have a very good understanding of development and skills, and are fully committed to the task schedule.
Their communication and problem-solving skills are top-notch. The entire workflow was smooth and professional.
Amazing team! Delivered everything on time with exceptional quality. Totally recommend!
Honestly, we were struggling to keep up with our growth until they stepped in. They didn't just build the tech; they actually understood our users. It's been a total game-changer for our workflow, and the design is just spot on.
What I love most is that they don't just say 'yes' to everything — they tell us what's actually going to work. The whole process felt super collaborative, and they genuinely cared about making the project a success.
Our Principles
Two commitments that govern every project.
No deadline we don't hold ourselves to.
We pad the schedule honestly upfront so we don't have to renegotiate halfway through. If we say a date, we hit it.
DeliveredNo progress you can't see.
We don't go dark for a month and come back with a surprise. You see the work as it happens.
VisibleOur Technology Stack
We use modern, battle-tested tools to build scalable and maintainable solutions.
Frontend & UI
Backend Core
Data & Storage
Cloud & DevOps
Design & UX
Security & QA
99.9%Uptime SLA
2xFaster Delivery
Top 1%Engineering Talent
What You Receive
Everything, at handover.
Here is the exact list of what lands in your accounts when the project closes.
01
Domain access
Your domain is registered in your name, with full access to it — DNS, renewals, and transfers stay in your hands.
02
Admin access
A login to the admin panel, so your team can manage content without touching code.
03
Design files
Any design files used to plan the build, so future work doesn't start from scratch.
04
Handover walkthrough
A live session showing your team how to use everything we built.
Everything above transfers to your accounts when the project closes.
Why Us
What you're actually comparing for payment integration services.
A template, a freelancer, and a big agency all solve part of the problem. Here's where each one tends to leave you exposed.
CodelixTemplate / builderFreelancerLarge agency
Timeline you can hold us toYesYesNoPartial
Built for your exact workflowYesNoMaybeYes
One team, one point of contactYesNoYesNo
Post-launch support & docsYesNoMaybeYes
Transparent, fixed pricingYesYesMaybeNo
Won't vanish mid-projectYesYesNoYes
YOU GET THE DOMAIN.YOU GET THE ADMIN.FIXED SCOPE.FIXED PRICE.
FAQ
Questions we're asked before every engagement.
Don't see yours here? Ask us directly →
Razorpay, PayU and Cashfree all support UPI, cards and net banking with similar fees. The choice usually comes down to settlement speed, subscription features and the support you get; we can integrate whichever you already have an account with.
Yes. Stripe, PayPal and the international products from Indian gateways accept foreign cards, subject to the gateway approving your business for cross-border payments.
Payment status is confirmed through signed webhooks, not the browser redirect, and every order is processed once even if a webhook arrives twice. Failed subscription charges are retried automatically.
Fixed scope, fixed price — you get a written quote before any work starts, based on what you actually need, not an hourly guess.
Every project includes a post-launch support window for fixes. After that, you can keep us on a monthly retainer for updates, fixes, and support.
What Happens Next
Three steps from here to kickoff.
No drawn-out sales process. Reach out and here's exactly what follows.
01
Discovery call
A no-pressure call to understand what you're building and what's not working. No slide deck, no sales pitch.
02
Written proposal
A clear scope, a fixed price, and a timeline — in writing. You know exactly what you're getting before you commit.
03
Kickoff
We lock the scope and start. You get a point of contact and visible progress from day one.
Explore More
The rest of what we do.
01
Legacy System ModernizationModernize outdated software, migrate legacy applications, improve performance, and adopt modern technologies.
→02
Business Intelligence SolutionsBI dashboards, KPI reporting, Power BI, Tableau, executive dashboards, and decision support systems.
→03
Predictive AnalyticsForecasting, machine learning models, customer insights, and business prediction systems.
→04
Data EngineeringETL pipelines, data warehousing, big data processing, and data integration solutions.
→05
Performance OptimizationWebsite speed optimization, database tuning, API optimization, scalability improvements, and performance audits.
→06
Security & MaintenanceSecurity updates, vulnerability fixes, monitoring, backups, maintenance, and ongoing technical support.
→Start Here
Tell us what you're building.
We'll tell you how we'd build it.
A structured conversation about payment integration services — your users, your goals, your constraints. We scope what should be built first, what can wait, and what it takes to ship it.