Do you want to accept online payments from customers using Stripe?
For businesses selling software, digital products, subscriptions, professional services, e-commerce products and other online services, having a reliable payment system can make a major difference.
Customers expect to be able to visit a website, select what they want, complete checkout and receive confirmation without having to contact the business manually.
This is where Stripe payment integration can become part of a wider digital payment strategy.
At WATT-IF LTD, we help businesses develop and integrate payment solutions into websites, e-commerce platforms, mobile applications, invoicing systems, subscription platforms and custom software.
The goal is not simply to connect Stripe to your website.
The goal is to connect payments to the way your business operates.
Need Stripe Integrated Into Your Website?
WATT-IF can help you assess, develop and integrate Stripe payment functionality into your website, application or custom business system, subject to Stripe availability and eligibility for your business.
Request a Stripe Integration Quote
Stripe payment integration is the process of connecting Stripe's payment infrastructure to your website, mobile application or software platform.
Stripe provides APIs and other developer tools that allow businesses to build payment functionality into digital products.
Depending on the Stripe products available to your business and location, a system can be designed to support functionality such as:
Online checkout
One-time payments
Recurring payments
Subscriptions
Invoicing
Payment links
Customer management
Refunds
Payment status
Webhooks
Payment reporting
API integrations
Stripe's developer platform provides APIs for payments, billing, checkout, customers and other financial functionality.
This makes Stripe particularly relevant for businesses whose payment system needs to be integrated with their wider software.
Imagine you have a software company.
You have developed a SaaS platform that customers can subscribe to for:
$20 per month
A potential customer visits your website.
They read about your product.
They choose the Professional Plan.
They click:
Subscribe Now
They proceed to checkout.
They complete payment.
Their account becomes active.
They receive confirmation.
Your system records the subscription.
This is much more efficient than manually sending payment instructions to every customer.
The payment system becomes part of the customer journey.
Stripe can be relevant to businesses that operate online, particularly where the business needs a programmable payment infrastructure.
Examples include:
Software companies
SaaS companies
E-commerce businesses
Digital agencies
Web development companies
Online education platforms
Membership platforms
Subscription businesses
Marketplaces
Professional service businesses
Digital product businesses
Mobile applications
Booking platforms
Online communities
However, Stripe availability varies by country and business type, so eligibility should always be confirmed before development begins.
For a Kenyan business, this is especially important.
WATT-IF can help assess your technical requirements, but the merchant relationship, account eligibility and availability of Stripe services are determined by Stripe.
One of the first questions many Kenyan businesses ask is:
"Can I use Stripe in Kenya?"
Stripe's availability and supported products can vary by country.
Businesses should therefore confirm their eligibility and the exact Stripe services available to their business before starting an integration.
If Stripe is not the appropriate option for your particular business, WATT-IF can also help you explore alternative payment providers.
For Kenyan businesses, this may include solutions involving:
M-Pesa
Airtel Money
Card payments
PayPal
Flutterwave
Other supported payment providers
The important thing is to choose a payment architecture that matches your customers and business model.
Not Sure Which Payment Gateway You Need?
You don't have to choose a payment provider before speaking to a developer.
Tell WATT-IF what you sell, where your customers are located and how you want customers to pay.
We can help you assess the technical requirements and determine which integration approach is appropriate.
Discuss My Payment Requirements
A typical Stripe payment workflow can look like this:
Customer
↓
Website or Mobile App
↓
Checkout
↓
Stripe
↓
Payment Processing
↓
Payment Confirmation
↓
Your Backend
↓
Order / Invoice / Subscription
The exact technical architecture depends on the Stripe product being used.
For example, Stripe provides Checkout, Payment Links, Payment Intents and other tools for different payment scenarios.
Stripe Checkout provides a prebuilt checkout experience that businesses can integrate into their websites and applications.
Instead of developing every part of the payment interface yourself, your application can use Stripe's checkout infrastructure.
This can be useful for businesses that want to launch an online payment system without developing an entire card-processing interface from scratch.
For example:
Product
KSh 10,000
Buy Now
↓
Stripe Checkout
↓
Payment
↓
Confirmation
↓
Order Completed
The checkout experience can be incorporated into the broader website workflow.
Not every business needs a complete e-commerce website.
Some businesses simply need a convenient way to collect payment for a product or service.
Payment links can be useful in this situation.
For example, you could have:
Website Development Consultation
Price: KSh 5,000
Pay Now
A customer can access the payment page and complete the payment.
Payment links can also be useful when sharing payment requests through:
Social media
SMS
Online invoices
Marketing campaigns
However, a payment link is different from a complete integrated e-commerce system.
An online store can use payment integration to create a complete customer journey.
For example:
Customer selects a product.
Customer reviews their products.
Customer enters the required information.
Customer chooses the available payment method.
The payment is processed.
The system records the order.
Your team processes the order.
This creates a structured sales process.
Stripe is particularly relevant to software businesses because SaaS companies often need recurring billing.
Consider a software company offering:
$10/month
$30/month
$100/month
The customer selects a plan.
They subscribe.
Payment is processed.
Their account is activated.
The subscription is recorded.
At the next billing period, the payment process continues according to the subscription configuration.
Your software can then use the customer's subscription status to determine access.
This is where payment integration becomes more than just accepting money.
It becomes part of your software's business logic.
A subscription system may need to manage:
Subscription plans
Customers
Billing cycles
Payment status
Renewals
Cancellations
Failed payments
Upgrades
Downgrades
Trial periods
Access levels
Invoices
For example:
Customer subscribes
↓
Payment succeeds
↓
Account activated
↓
Subscription active
↓
Next billing date
↓
Renewal payment
↓
Account remains active
If a payment fails, the system can follow the configured billing and account-management workflow.
Stripe provides Billing and subscription functionality for these types of use cases.
Online education platforms can use payment integration to sell courses.
For example:
Web Development Course
Price: $150
A customer visits your website.
They read the course description.
They click:
Enroll Now
They proceed to payment.
After the appropriate payment confirmation, the platform can provide access to the course.
The system can also manage:
Students
Courses
Payments
Certificates
Progress
User accounts
WATT-IF can develop the complete learning platform rather than only the payment component.
Businesses selling digital products can also benefit from online payment integration.
Examples include:
E-books
Templates
Software
Plugins
Digital artwork
Online courses
Documents
Memberships
Downloadable resources
The customer can pay online and receive access to the digital product through the appropriate workflow.
For example:
Purchase
↓
Payment
↓
Confirmation
↓
Download / Access
This can reduce manual order processing.
Professional service businesses can use online payments to collect:
Deposits
Project payments
Consultation fees
Retainers
Service charges
Membership fees
For example, a web development company could provide:
Website Development Package
$2,000
The customer can pay a deposit online.
The system can record:
Invoice: $2,000
Deposit: $1,000
Balance: $1,000
The exact functionality depends on the invoicing system.
A professional invoicing system can connect invoices to online payments.
For example:
Invoice #WIF-1005
Customer: ABC Company
Service: Software Development
Amount: $5,000
The invoice contains an appropriate payment option.
The customer completes payment.
The system updates the invoice according to the confirmed transaction.
The result can be:
Invoice Status: PAID
This can make accounts receivable management more efficient.
Want Customers to Pay Your Invoices Online?
WATT-IF can build custom invoicing systems that connect customers, invoices and payment workflows.
Build My Online Invoicing System
Businesses that take online bookings can incorporate payments into their booking workflow.
Examples include:
Hotels
Travel agencies
Tour operators
Event venues
Consultants
Training companies
Appointment businesses
Rental companies
For example:
Consultation
$100
Customer selects a date.
↓
Enters details.
↓
Makes payment.
↓
Booking is confirmed.
This can reduce the amount of manual communication required to confirm bookings.
Membership websites often need payment functionality to control access.
For example:
KSh 0
KSh 2,000/month
KSh 5,000/month
A customer selects a plan.
They complete payment.
The website activates the relevant membership.
The system can then determine what content or features the customer can access.
Payment integration can also be part of mobile application development.
Examples include:
E-commerce apps
Booking apps
Delivery apps
SaaS apps
Education apps
Membership apps
Marketplace apps
Service apps
The mobile application communicates with your backend.
The backend communicates with the relevant payment service.
The payment status is then used by your application to determine the next action.
This architecture can help keep important business logic on the server side rather than relying solely on the mobile application.
Businesses using ERP systems may want payments connected to:
Sales
Customers
Invoices
Accounting
Inventory
Reporting
For example:
Customer places an order.
↓
Invoice generated.
↓
Customer pays.
↓
Payment confirmed.
↓
Invoice updated.
↓
Accounting record updated.
↓
Order processed.
This creates a connected business workflow.
WATT-IF develops ERP and custom software solutions that can incorporate payment functionality according to the system requirements.
A CRM system helps businesses manage customer relationships.
When payment is integrated appropriately, customer records can be connected to:
Orders
Payments
Subscriptions
Invoices
Services
Customer history
For example:
Customer: ABC Ltd
Service: Software Development
Invoice: $10,000
Payment: Stripe
Status: Paid
This information can help sales and customer support teams understand the customer relationship.
For e-commerce businesses, payment and inventory can be connected.
Imagine:
Product A
Stock: 50
Customer purchases:
5 units
After the relevant order and payment status is confirmed:
Stock: 45
The system can automatically update the inventory according to your configured business rules.
This becomes especially useful when your business handles many orders.
For a Kenyan business, Stripe may not necessarily be the only payment option you need.
You may want to provide:
M-Pesa
Airtel Money
Card
PayPal
Stripe
Other supported options
The best payment combination depends on your customers.
If most customers are in Kenya, mobile money may be important.
If you sell internationally, card payments and international payment providers may be more relevant.
The objective is to create a payment strategy rather than simply installing every available gateway.
Build a Checkout Designed Around Your Customers
WATT-IF can help you combine appropriate payment methods into a single online checkout.
Build My Online Checkout
Our approach starts with understanding your business.
We don't recommend a payment gateway simply because it is popular.
We first look at what you need.
We ask:
What do you sell?
Where are your customers?
What currencies do you need?
Do you sell products or services?
Do you need subscriptions?
Do you need invoicing?
Do you need an e-commerce store?
Do you have an existing website?
Do you have a mobile application?
Do you need multiple payment methods?
Do you need ERP or CRM integration?
This helps establish the project requirements.
If you already have a website, we review:
Platform
Backend
Database
Checkout
Hosting
Existing integrations
Security
API capabilities
We then determine how Stripe or another payment provider could fit into the existing architecture.
We design the payment workflow.
For example:
Customer
↓
Product
↓
Cart
↓
Checkout
↓
Payment
↓
Payment Confirmation
↓
Order
↓
Invoice
↓
Inventory
The workflow is customized according to your business.
Stripe provides APIs that developers can use to integrate payment functionality into applications.
WATT-IF handles the development required to connect your system to the appropriate Stripe services.
This may include:
Authentication
Payment creation
Payment confirmation
Customer records
Subscription management
Webhooks
Refund workflows
Payment status
Database updates
Stripe's developer documentation provides APIs and tools for these functions.
We develop the customer-facing checkout.
The checkout can be designed to match your:
Brand
Website
Products
Services
Customer journey
The objective is to make payment straightforward.
The backend handles important business logic.
For example:
Payment received
↓
Verify payment
↓
Update order
↓
Update invoice
↓
Update inventory
↓
Send confirmation
This is where custom software development becomes important.
Before deployment, we test the system.
Testing can include:
Successful payments
Failed payments
Cancelled payments
Refunds
Duplicate requests
Webhook events
Subscription events
Order updates
Invoice updates
Database records
Stripe provides test environments and testing tools for developers.
After development and testing, the system can be deployed to production once the necessary Stripe account and business requirements are satisfied.
WATT-IF can train your team on how to:
View transactions
Manage orders
Check payment status
Manage customers
Review invoices
Handle refunds
Generate reports
Manage the administration system
Payment systems need ongoing attention.
Your business may later need:
New payment methods
New products
Subscription plans
Mobile applications
CRM
ERP
Accounting
Inventory
New APIs
WATT-IF can continue developing your platform as your business evolves.
The cost depends on the scope of the project.
A simple payment integration is different from a complete e-commerce system.
For example:
Existing website + Stripe payment integration.
Website + e-commerce + Stripe + invoices + orders.
Custom platform + Stripe + subscriptions + CRM + ERP + accounting + mobile application.
These projects have very different development requirements.
A compatible existing website can reduce development work.
A new website requires design and development.
Products, shopping cart and order management increase project complexity.
Recurring billing requires additional functionality.
Connecting payments to invoices requires additional development.
Connecting payments to business management systems increases integration requirements.
A mobile application introduces another platform that needs to communicate with the payment system.
Combining Stripe with M-Pesa, Airtel Money, PayPal and other providers increases development scope.
Get a Stripe Integration Quote From WATT-IF
Don't guess how much your project will cost.
Tell us what you currently have, what you sell and how you want customers to pay.
We can assess the requirements and prepare a solution based on your business needs.
Request a Custom Quote
The development timeline depends on the project.
A simple integration into an existing compatible website may be relatively quick.
A custom e-commerce or subscription platform may take considerably longer.
Factors include:
Website technology
Existing checkout
Stripe products required
API requirements
Merchant setup
Subscription functionality
Testing
ERP/CRM integrations
Mobile application requirements
A precise timeline should therefore be provided after reviewing the project.
We can assess your business and recommend an appropriate payment integration.
We can develop the required integration where Stripe is available and appropriate for your business.
We can develop subscription functionality around the payment provider's available capabilities.
We can build an invoicing and payment workflow.
We can develop an e-commerce platform with appropriate payment options.
We can connect payment and order workflows to inventory management.
We can develop the required API and database integrations.
We can develop integrations between the payment system and your business software.
We can assess the technical requirements for creating a multi-payment checkout.
We can design a checkout around multiple payment providers where appropriate.
Payment security is an important part of any online payment project.
Businesses should avoid building their own card-processing infrastructure unnecessarily.
Instead, payment providers should handle sensitive payment operations through their supported secure systems.
From the development side, WATT-IF considers:
HTTPS
Secure API credentials
Authentication
Server-side validation
Secure database practices
Payment verification
Access control
Webhook verification
Error handling
Transaction logging
Stripe provides security documentation and recommends appropriate practices for handling API keys and payment information.
The exact security and compliance requirements depend on the implementation.
The biggest advantage of working with a software development company is that your payment system can be designed as part of your entire digital platform.
WATT-IF provides:
Website development
E-commerce development
Mobile app development
Payment integration
API development
ERP development
CRM development
POS systems
Inventory management
Accounting systems
Invoicing systems
Custom software development
This allows us to build the systems around your business instead of treating payment as an isolated feature.
For example:
Website
↓
E-Commerce
↓
Checkout
↓
Stripe
↓
Orders
↓
Invoices
↓
Inventory
↓
Accounting
↓
Customer Management
This is the type of connected business solution WATT-IF can develop.
If you are launching a new online business, you don't necessarily need a complicated system immediately.
You could start with:
Professional website
Landing page
Product/service pages
Online checkout
Payment integration
Customer contact system
As the business grows, you can add:
CRM
Invoicing
ERP
Inventory
Subscriptions
Mobile application
Advanced reporting
WATT-IF can help you build progressively.
Small and medium-sized businesses often operate with disconnected tools.
For example:
Website
Excel
Bank
M-Pesa
Manual invoices
Payment gateway
As transaction volume increases, this can become difficult to manage.
A connected system can bring together:
Customers
Products
Orders
Payments
Invoices
Inventory
Reports
This can help reduce manual work and give the business better visibility.
Yes, subject to Stripe's availability and eligibility requirements for your business.
Yes, where the website and Stripe account support the required integration.
Yes, where the relevant Stripe integration is available for your setup.
Yes.
Yes, where the appropriate Stripe products and integration architecture support your application.
Stripe provides card payment functionality in supported markets and configurations.
Yes. Stripe provides Billing and subscription functionality.
Stripe provides invoicing functionality for supported businesses and use cases.
A custom system can be developed to update invoice records based on confirmed payment information.
Yes, through appropriate APIs and integration architecture.
Yes.
Payment and order workflows can be connected to inventory management systems.
Potentially, as part of a multi-payment architecture, subject to the availability and requirements of the respective providers.
A website can be designed with multiple payment providers where appropriate.
Stripe supports international payment functionality in supported countries and configurations, but businesses should verify availability for their specific account and market.
Stripe availability should be confirmed directly with Stripe for your business and location before starting the integration.
No. WATT-IF handles the software development and technical integration. The merchant account is established with the payment provider.
No. Payment-provider credentials should be managed securely using the appropriate access mechanisms.
The development cost depends on the functionality required.
The timeline depends on the complexity of your website, application and payment requirements.
Yes. Training can be included in the project.
Yes. Ongoing support and maintenance can be arranged.
Online payment integration should not be treated as an isolated technical feature.
For a growing business, payment can connect:
Customers
Products
Orders
Invoices
Subscriptions
Inventory
Accounting
CRM
Reporting
The right payment architecture can make these processes work together.
Whether you are starting a new business, building an e-commerce website, launching a SaaS platform or developing custom software, WATT-IF can help you plan and develop the appropriate payment infrastructure.
WATT-IF LTD — Website & Software Development Services
Ready to Integrate Online Payments?
Tell WATT-IF what your business does, what platform you currently use and how you want customers to pay.
Request Stripe Integration
Build My E-Commerce Website
Build My Subscription System
Add Online Payments to My Website
Integrate Payments With My ERP/CRM
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