API Development & Integration
APIs and integrations that make your systems work together
Most businesses use several tools that do not talk to each other. We build secure REST APIs and integrate payment gateways, SMS, email, WhatsApp and third-party platforms so data flows automatically between them.
The challenge
Business problems we solve
- Data is copied manually between systems
- Your mobile app or partner needs access to your data
- Payment or SMS integrations are unreliable
- Vendors provide an API but no one has connected it
Our solution
How NETMAT approaches it
We design clean, documented, versioned APIs with authentication, validation, logging and rate limiting, and build robust integrations that handle failures and retries gracefully.
What you gain
- No more manual data copying
- Reliable, logged integrations
- Ready for mobile apps and partners
- Easier future integrations
Features
What we deliver with API Development & Integration
REST API development
Clean, documented JSON APIs for apps and partners.
Payment gateway integration
Checkout, webhooks, refunds and reconciliation.
SMS & email
Transactional SMS/OTP and email notifications.
WhatsApp integration
Alerts and messages through WhatsApp business APIs.
Third-party APIs
Courier, accounting, maps, ad-lead and other platforms.
Secure authentication
Token-based auth, validation and access logs.
Technologies we use
REST API
PHP
Laravel
MySQL
Payment Gateway
SMS
Email
WhatsApp API
Development approach
Our process
Every api development & integration project follows the same transparent, milestone-based process.
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01
Discover
We understand your business, users, current process and goals.
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02
Plan
We define features, architecture, milestones and a clear written scope.
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03
Design
We create user flows, wireframes and responsive interface designs.
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04
Develop
We build in iterations using the technologies that fit your project.
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05
Test
Functional, responsive, security and performance testing before release.
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06
Launch
We deploy to production, configure hosting, SSL, email and backups.
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07
Support
Maintenance, updates and continuous improvements after go-live.
FAQ
API Development & Integration — common questions
Can you integrate an API from any provider?
If the provider offers documented API access, we can usually integrate it. We review the documentation first and confirm feasibility.
Do you document the APIs you build?
Yes. Each API is delivered with endpoint documentation and sample requests.
How do you keep APIs secure?
We use token authentication, HTTPS, input validation, rate limiting and access logs.
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