What types of APIs do you develop?

I build REST APIs, GraphQL APIs, internal APIs, public APIs, partner APIs, webhook systems, and microservices for web, mobile, SaaS, and enterprise applications.

Can you integrate third-party services?

Yes. I can integrate payment gateways, CRM platforms, ERP systems, messaging services, AI platforms, cloud storage providers, authentication systems, and many other third-party APIs.

Will the APIs be secure?

Absolutely. Every API includes secure authentication, authorization, input validation, encryption, rate limiting, and follows industry-standard security best practices.

Do you provide API documentation?

Yes. Every project includes professional API documentation using OpenAPI (Swagger), along with authentication guides, request/response examples, and integration instructions.

Can you modernize or replace legacy APIs?

Yes. I can refactor outdated APIs, migrate legacy systems, improve performance, and create modern, scalable API architectures without disrupting your existing applications.

Do you provide ongoing support?

Yes. I offer API monitoring, maintenance, version upgrades, performance optimization, security updates, and integration support through flexible long-term engagement plans.

API Development & Integration

Build Secure, Scalable & High-Performance APIs That Connect Your Business

What are API development and integration services?

Secure, scalable, and well-documented APIs that enable your business to communicate efficiently across platforms. You work directly with the developer responsible for API architecture, integrations, deployment, and ongoing improvements — not an agency handoff chain.

Power your applications with reliable APIs and seamless third-party integrations — whether you're building a new SaaS platform, connecting existing systems, or modernizing legacy software.

REST & GraphQL
Third-Party Integrations
Secure by Design
OpenAPI Documentation
Long-Term Partnership

Why do APIs matter for your business?

Connect Everything. Automate Anything.

Modern businesses rely on APIs to connect applications, automate workflows, exchange data, and integrate with third-party services.

From custom REST APIs and GraphQL services to payment gateways, CRM integrations, AI services, and enterprise systems, every integration ecosystem is built to be fast, secure, and scalable.

From strategy to production

Discover
Design
Build
Deploy

End-to-end API delivery

API Strategy & Architecture
Custom API Development
Third-Party Integration
Authentication & Security
API Documentation
Deployment & Monitoring

APIs align with how your systems communicate today while supporting the integrations, automation, and data exchange your business needs tomorrow.

REST API Development
Payment Integrations
CRM Integrations
Legacy System Integrations

Is custom API development the right fit for your platform?

Who Is API Development & Integration For?

API development works best when you need reliable interfaces connecting applications, partners, and third-party services — with full control over security, documentation, and scalability.

API-first architectureSecure integrationsScalable connectivity

SaaS Platforms
Startups
Enterprises
Mobile Applications
Web Applications
E-commerce Businesses
Healthcare Platforms
FinTech Solutions
Logistics Companies
Software Agencies

What does API development and integration include?

What's Included

End-to-end delivery from API strategy through deployment and monitoring — scoped around your systems, integrations, and operational goals.

API Strategy & Architecture

6 deliverable types

API Requirement Analysis
System Architecture
Resource Modeling
Endpoint Planning
Authentication Strategy
Versioning Strategy

Custom API Development

7 deliverable types

REST APIs
GraphQL APIs
Internal APIs
Public APIs
Private APIs
Partner APIs
Microservices APIs

Third-Party API Integration

10 deliverable types

Payment Gateways
WhatsApp Business APIs
SMS Gateways
Email Services
Google APIs
Microsoft APIs
Cloud Storage Services
Maps & Location Services
AI APIs
Authentication Providers

Enterprise System Integration

8 deliverable types

ERP Systems
CRM Platforms
Accounting Software
HRMS Solutions
Inventory Systems
POS Software
Warehouse Management Systems
Business Intelligence Tools

Authentication & Security

8 deliverable types

JWT Authentication
OAuth 2.0
API Keys
Role-Based Access Control
Token Refresh
Rate Limiting
IP Whitelisting
Encryption

API Documentation

6 deliverable types

OpenAPI (Swagger)
Endpoint Documentation
Authentication Guide
Request & Response Examples
Error Codes
Integration Instructions

Webhooks & Event-Driven Integration

7 deliverable types

Payment Notifications
Order Updates
User Events
Inventory Synchronization
CRM Automation
Marketing Automation
Notification Systems

Performance Optimization

7 deliverable types

Query Optimization
Database Indexing
Redis Caching
Pagination
Compression
Load Optimization
Response Time Improvements

API Testing & Quality Assurance

6 deliverable types

Functional Testing
Integration Testing
Load Testing
Security Testing
Error Handling
API Validation

Deployment & Monitoring

8 deliverable types

Docker
Cloud Hosting
CI/CD Pipeline
Nginx Configuration
SSL Installation
Monitoring
Logging
Automated Backups

How are APIs planned and delivered?

API Development Process

A structured seven-step process from discovery through ongoing support — designed to align API delivery with business workflows and integration goals.

Step 01
Discovery & Consultation
Understand your systems, business workflows, and integration requirements.
Step 02
API Design
Define endpoints, authentication methods, data structures, and architecture.
Step 03
Development
Develop secure APIs following industry best practices and coding standards.
Step 04
Integration
Connect APIs with your applications, third-party services, and enterprise platforms.
Step 05
Testing & Validation
Perform functional, performance, and security testing before release.
Step 06
Deployment
Deploy APIs into production with monitoring, logging, and security configurations.
Step 07
Ongoing Support
Provide maintenance, updates, monitoring, and integration enhancements.

What API solutions can be developed?

API Solutions I Build

REST and GraphQL APIs, microservices, webhooks, and enterprise integrations tailored to your platform and partner ecosystem.

REST API Development
GraphQL API Development
SaaS API Architecture
Mobile App APIs
Web Application APIs
Microservices
Payment Integrations
CRM Integrations
ERP Integrations
AI Service Integrations
Marketplace APIs
Internal Business APIs
Public Developer APIs
Webhook Systems
Legacy System Integrations

Which technologies are used for API development?

Technology Stack

Modern, production-proven technologies chosen for performance, maintainability, and long-term integration evolution.

Backend

NestJS
Node.js
FastAPI (Python)
Express.js

API Technologies

REST
GraphQL
Webhooks
WebSockets
OpenAPI (Swagger)

Database

PostgreSQL
MongoDB
Redis

Cloud & DevOps

Docker
AWS
DigitalOcean
Azure
Nginx
GitHub Actions
Linux Servers

Which third-party platforms can be integrated?

Integrations I Support

Payment, communication, authentication, AI, and business platforms — connected through secure, documented API integrations.

Payment Platforms

4 deliverable types

Stripe
Razorpay
PayPal
Cashfree

Communication Services

5 deliverable types

Twilio
WhatsApp Business API
Resend
SendGrid
SMTP Services

Authentication

4 deliverable types

Google OAuth
Microsoft Login
Apple Sign-In
Firebase Authentication

AI & Automation

5 deliverable types

OpenAI
Anthropic
Google Gemini
OCR Services
Automation Platforms

Business Platforms

5 deliverable types

Salesforce
HubSpot
Zoho CRM
SAP
Microsoft Dynamics

Why work directly with an API developer?

Why Choose Me

APIs are designed to connect systems reliably — not just expose endpoints. Every engagement prioritizes security, documentation, maintainable architecture, and long-term partnership.

Every API project includes:

API-First Development
Every API is designed with scalability, maintainability, and future integrations in mind.
Secure by Design
Authentication, authorization, encryption, validation, and security best practices are implemented from the beginning.
Clean & Well-Documented APIs
Developer-friendly APIs with comprehensive documentation make future integrations faster and easier.
Scalable Architecture
Whether handling hundreds or millions of API requests, the architecture is built to scale with your business.
Direct Developer Communication
Work directly with the developer responsible for your API architecture and integrations.
Long-Term Technology Partner
Receive continuous support for API maintenance, new integrations, version upgrades, and performance improvements.

How can you engage for API development and integration?

Engagement Models

Choose a fixed-scope API project, dedicated backend developer, or long-term integration partnership based on your roadmap and connectivity needs.

Fixed Scope API Project

Businesses with clearly defined API development or integration requirements.

Defined scope
Milestone delivery
Clear deliverables

Discovery and requirement documentation
Agreed scope and milestones
Milestone-based delivery
API documentation
Source code and deployment assets

Dedicated Backend Developer

Organizations that need a backend developer to build, integrate, and maintain APIs.

Reserved Daily Collaboration
Limited to 3 Active Clients
Long-term Product Ownership

Direct developer communication
Reserved collaboration capacity
Continuous API delivery
Architecture ownership
Integration and maintenance support

Explore Dedicated Development

Long-Term Integration Partner

Growing businesses needing ongoing API development, third-party integrations, maintenance, monitoring, and technical consulting.

Continuous delivery
Product growth
Technical consulting

Long-term integration roadmap
Ongoing API development
Performance and security updates
Technical decision support
Scalability planning

Reserve Partnership Capacity

What results have API and integration projects delivered?

Featured Case Studies

Real platforms built around API architecture, third-party integrations, and production-ready connectivity.

Local Business Discovery Platform2 months platform build + ongoing iteration

Deskon

Business Problem
Local businesses needed a trusted discovery platform with verified listings, subscription gating, and city-scoped operations — not another unstructured directory.
Technical Solution
Built a dual Next.js platform with NestJS API, PostgreSQL, Redis queues, verification workflows, and subscription billing for listing eligibility.
Technology
- Next.js
- NestJS
- PostgreSQL
- Redis
- Docker

Outcome

Subscription-gated listings with government verification and city-scoped RBAC — scalable local business discovery on deskon.in

Read full case study

Multi-Tenant WhatsApp SaaS4 months MVP to production + feature expansion

WA Blast

Business Problem
Indian SMBs needed one WhatsApp workspace for marketing, automation, commerce, and lead management without fragile scripts or disconnected tools.
Technical Solution
Architected multi-tenant SaaS with Meta Cloud API, React Flow automation, Razorpay billing, Socket.IO realtime, and PWA customer app.
Technology
- NestJS
- PostgreSQL
- Redis
- BullMQ
- React
- Docker

Outcome

Unified WhatsApp SaaS replacing fragmented tools — multi-tenant automation and billing on wablast.in

Read full case study

View all case studies

Common questions about API development and integration services

Frequently Asked Questions

Clear answers about API types, integrations, security, documentation, legacy modernization, and support after launch.

6 answers covering API types, integrations, security, documentation, legacy modernization, and ongoing support.

Build scope

REST APIs to enterprise system integrations

Discovery included

API requirement analysis and architecture planning

Ownership

Source code, docs & deployment assets

API Types & Integrations

What can be built and which services can be connected.

Security & Documentation

API security standards and developer documentation.

Legacy & Support

Modernizing existing APIs and post-launch assistance.

View all FAQs

Services that complement API development and integration

Related Services

Continue from API delivery into SaaS growth, web and mobile apps, automation, and long-term maintenance.