Trusted by 100+ businesses in 30+ countries
Backend Engineering

Custom API Integrations —
Connect Your Software Ecosystem

Eliminate manual data entry by making your software talk to each other. We build highly secure REST and GraphQL APIs, and seamlessly integrate third-party gateways into your existing architecture.

Custom Development High Performance Secure & Scalable 24/7 Support

Why You Need Custom API Integration

Modern businesses rely on dozens of different software tools—a CRM for sales, an ERP for inventory, Shopify for eCommerce, and QuickBooks for accounting. If these systems don't communicate automatically, you are wasting hundreds of hours on manual data transfer.

CodTeg specializes in complex backend engineering. We build the digital bridges (APIs) that allow your disparate software platforms to instantly share data in real-time, completely automating your operational workflows.

Furthermore, we develop robust, custom APIs from scratch to allow your mobile apps to communicate with your databases, or to allow third-party partners to securely access your specific data endpoints.

Core Features & Capabilities

REST & GraphQL Development

Building custom, highly-performant APIs for your web and mobile apps.

Payment Gateway Integrations

Seamless connection with Stripe, Razorpay, PayPal, and banking APIs.

Communication APIs

Integrating Twilio, SendGrid, and WhatsApp Business API for automated alerts.

ERP/CRM Synchronization

Connecting Salesforce, HubSpot, or SAP directly to your custom portal.

OAuth 2.0 Security

Implementing secure token-based authentication and rate limiting.

Comprehensive Documentation

Providing clear Swagger/OpenAPI documentation for your developer partners.

Industries We Serve

  • SaaS & Tech Startups
  • Financial Technology (Fintech)
  • Logistics & Supply Chain
  • Healthcare (HL7/FHIR)
  • eCommerce Aggregators

Our Development Process

  • Endpoint Mapping & Security Architecture
  • Third-Party API Documentation Review
  • Middleware Coding & Data Transformation
  • Load Testing & Error Handling
  • Production Deployment

Frequently Asked Questions

Q: What is the difference between REST and GraphQL?

A: REST is a standard architectural style where you hit specific endpoints for specific data. GraphQL is a newer query language that allows the client to request exactly the data they need in a single request, which is often much faster for complex mobile apps.

Q: Can you integrate an old legacy system?

A: Yes. If your legacy software doesn't have a modern API, we can build custom middleware or use database polling and file parsing to securely extract and sync the data with modern platforms.

Q: How do you handle API security?

A: We implement industry-standard security protocols including OAuth 2.0, JWT (JSON Web Tokens), strict CORS policies, input validation, and API gateway rate-limiting to prevent DDoS attacks and unauthorized access.

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