API and system integration services that connect your business tools
Zoatix connects your website, apps and software with payment gateways, CRMs, the WhatsApp Business API and other third-party services, so your systems share data securely and work as one.
What API integration services does Zoatix offer?
Zoatix connects your website, apps and software with the tools your business depends on: payment gateways like Razorpay, Stripe and PayPal, CRMs like HubSpot and Zoho, the WhatsApp Business API, accounting and ERP systems, plus custom REST APIs and webhooks. Integrations are secure, documented and monitored.
- Best for
- Businesses with disconnected tools or manual data entry
- Integrations
- Payments, CRM, WhatsApp, ERP, shipping, email
- Technology
- REST APIs, webhooks, Node.js, Python, PHP
- Support
- Monitoring and updates when APIs change
- Locations
- Basirhat, Kolkata, West Bengal, India and worldwide
- Your expert
- Farhina Sultana, AI and Machine Learning Lead
What is API and system integration?
An API (Application Programming Interface) lets two pieces of software talk to each other. API integration uses these connections to move data automatically between your website, apps and business systems.
Without integration, teams re-enter orders, payments and customer details by hand, and data in different tools quickly goes out of sync. System integration removes that double work and gives you one reliable source of truth.
Zoatix builds and connects APIs for payment gateways, CRMs, messaging platforms, ERPs and custom software, with a focus on security, reliability and clear documentation.
One source of truth
Customer, order and payment data stays in sync.
No double entry
Data moves automatically between systems.
Faster operations
Orders, payments and updates processed instantly.
Room to grow
Add new tools without rebuilding your systems.
Our API and integration services
Secure integrations that connect the tools your business depends on.
Payment Gateway Integration
Razorpay, Stripe, PayPal and other gateways integrated into websites, apps and invoices.
CRM Integration
Connect your website, forms and apps to HubSpot, Zoho CRM or a custom CRM.
WhatsApp Business API Integration
Send notifications, order updates and support messages from your systems through WhatsApp.
Custom API Development
Secure REST APIs for your software, mobile apps and partners, with clear documentation.
Third-party API Integration
Connect shipping, SMS, email, maps, accounting and other services to your platform.
ERP & Accounting Integration
Sync orders, invoices and inventory with your ERP or accounting software.
Webhooks & Real-time Sync
Instant updates between systems when an order, payment or form is submitted.
Data Migration
Move data safely between old and new systems without losing information.
API Maintenance & Monitoring
Monitoring, error alerts, version updates and fixes for your integrations.
Why choose Zoatix for API integration
Integrations built to be secure, reliable and easy to maintain.
- Security firstSecure authentication, encrypted connections and careful handling of keys and data.
- Reliable by designRetries, error handling and logging so failures are caught and fixed.
- Clear documentationEvery integration documented for your team and future developers.
- Platform experienceExperience with web, WordPress, custom software and automation tools.
- Scalable architectureIntegrations designed to handle more users, orders and data.
- Ongoing supportMonitoring and updates when third-party APIs change.
Technologies and platforms we integrate
Proven technologies for secure, reliable integrations.
Payments
CRM and messaging
Development
Data and cloud
Our integration process
A careful process that keeps your systems stable while we connect them.
Discovery
We review your systems, data flows and integration goals.
Integration Design
We plan endpoints, data mapping, security and error handling.
Development
We build and connect the integration in a test environment.
Testing & Launch
We test real transactions and edge cases, then go live safely.
Monitoring & Support
We monitor, fix issues and update for API changes.
Integrations for every industry
We connect systems for businesses across industries:
Signs you need system integration
Integration makes the biggest difference when:
- You enter the same data twiceOrders or customers are typed into more than one system.
- Payments are reconciled by handMatching payments to orders takes hours.
- Customers wait for updatesOrder and booking updates are sent manually.
- Your tools do not talk to each otherData is out of sync across apps.
Planning a successful integration
Map your data first
List which data moves between which systems, in which direction and how often. This prevents gaps and duplicates later.
Plan for failure
Every external API can fail or change. Good integrations retry safely, log errors and alert your team.
Protect keys and customer data
API keys and personal data must be stored and transmitted securely, with access limited to what each system needs.
API integration FAQs
Can’t find your answer? Ask us directly.
What is API integration?
API integration connects two or more software systems so they can share data automatically, for example sending website orders to your CRM or confirming payments from a payment gateway.
Can you integrate a payment gateway into my website?
Yes. We integrate gateways such as Razorpay, Stripe and PayPal into websites, apps and invoicing, including payment confirmations and webhooks.
Do you work with the WhatsApp Business API?
Yes. We integrate the official WhatsApp Business API to send notifications, order updates and support messages from your systems.
How long does an integration take?
Simple integrations can take a few days, while complex multi-system projects take longer. We share a clear timeline after reviewing your systems.
What happens if a third-party API changes?
We can monitor and maintain your integrations, updating them when providers change their APIs.
How long does a payment gateway integration take?
A standard Razorpay, Stripe or PayPal integration on a website usually takes a few days, including testing. Complex multi-system setups take longer.
Can you connect my website forms to my CRM?
Yes. We connect website forms, ads and WhatsApp enquiries to CRMs such as HubSpot and Zoho so every lead is captured automatically.
Are API integrations secure?
We use secure authentication, encrypted connections and careful handling of API keys and customer data, with access limited to what each system needs.
Meet the person behind your project.
You work directly with a Zoatix specialist, not a ticket queue.

Farhina Sultana
AI & Machine Learning Lead
Farhina leads technical integrations at Zoatix, connecting payment gateways, CRMs and messaging tools securely.