ServicesAPI Development & Integration
Development Service

API Development & Integration

We build secure, scalable, and documented REST and GraphQL APIs that connect custom software with external B2B applications.

Ideal for: Organizations connecting multiple software systems, enabling partner integrations, or exposing business data through secure programmatic interfaces.

Our API development and integration services help businesses connect software systems, enabling automated workflows and secure data exchange. Modern enterprise IT environments rely on multiple software applications that need to share data. We design and build custom APIs that bridge these systems, eliminating manual data entry and keeping your operations synchronized. We deliver secure, well-documented, and scalable API interfaces.

We design and build RESTful and GraphQL APIs using technologies like Node.js, Express, and .NET Core. REST APIs provide a standardized framework for web services, while GraphQL allows client applications to request only the specific data fields they need, reducing network payload sizes. By designing clean endpoint structures and utilizing JSON, we ensure our APIs are fast and easy for developers to integrate.

Integration with third-party APIs is a key part of our service. We integrate web portals and ERPs with platforms like Salesforce, Stripe, FedEx, HubSpot, and regional billing applications. We manage API authentication (OAuth 2.0, API keys), handle webhook notifications, and build retry queues to process data even during external service outages, keeping your workflows online.

We implement security controls at the API gateway layer to prevent unauthorized access and abuse. We add rate limiting to prevent DDoS attacks, validate incoming JSON payloads to block malicious inputs, and use JSON Web Tokens (JWT) for session management. We also configure Redis caches for common read requests, lowering database queries and improving response times.

We provide interactive API documentation using Swagger and OpenAPI standards. This allows developer teams to test endpoints, view request formats, and read response codes inside the browser, shortening onboarding times. We provide maintenance and support, updating endpoints and managing versions as your B2B integrations evolve.

We design APIs with versioning, error handling, and rate limiting from the start so integrations remain stable as systems evolve. Authentication models are selected based on your security requirements and consumer types.

Developer documentation, sandbox environments, and sample integration code accelerate adoption by internal teams and external partners.

Business Benefits

Automated data exchange between disconnected business systems.

Faster partner onboarding with documented, testable API endpoints.

Reduced manual data entry and synchronization errors.

Scalable integration layer that supports future system additions.

Common Use Cases

  • ERP and CRM system integrations
  • Payment gateway and billing platform connections
  • Third-party logistics and shipping API integrations
  • Partner and vendor data exchange portals

Service Methodology

Phase 1:Interface Mapping

Mapping integration goals, listing data schemas, and defining security rules.

Phase 2:Endpoint Architecture

Designing endpoint paths, structuring JSON payloads, and selecting authentication models.

Phase 3:Core Implementation

Developing endpoints, configuring middleware, and integrating databases.

Phase 4:Gateway Security Setup

Adding OAuth 2.0 authorization, rate limiting, and request validation rules.

Phase 5:Integration Verification

Testing edge cases, simulating server errors, and running load tests.

Phase 6:Document Generation

Publishing interactive Swagger pages and developer setup guides.

Key Deliverables

  • Custom RESTful and GraphQL API design and server implementation.
  • Third-party API integration (payment processors, CRM, shipping portals).
  • API gateway configuration, request rate limiting, and access security.
  • Data formatting and payload translation between legacy systems.
  • Interactive API documentation using Swagger and OpenAPI specifications.
  • High performance request caching configured on Redis servers.
  • Structured project documentation and knowledge transfer upon delivery.
  • India-based engineering team with direct communication channels.

Technologies & Platforms

Node.jsExpressGraphQLSwaggerPostmanRedisOAuth 2.0

Related IT Capabilities

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Windows Application Development

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Need API Development & Integration for Your Business?

Discuss your technical specifications, integration challenges, and budget targets with our senior systems leads in Vadodara.