200+
Projects Delivered
150+
Happy Clients
15+
Countries Served
98%
Satisfaction Rate
Typical Budget Range
$8,000 – $60,000
Typical Timeline
4 – 12 weeks
Business Challenges
Pain Points We Solve
- —Undocumented APIs slow partner integrations and internal development
- —Breaking changes without versioning disrupt all connected clients
- —Security gaps in authentication expose customer data
- —Monolithic backends cannot scale API traffic independently
Outcomes
Business Benefits
OpenAPI/Swagger documentation auto-generated from code
OAuth 2.0, JWT, and API key authentication patterns
Rate limiting, versioning, and deprecation policies
Webhook systems for real-time event delivery
Applications
Industry Use Cases
SaaS public APIs for customer integrationsMobile app backend APIsPartner and marketplace API programsMicroservices architecture migration
Key Features
REST API Design
GraphQL APIs
API Gateway Setup
OAuth 2.0 / JWT Auth
Webhook Systems
OpenAPI Documentation
Rate Limiting
SDK Generation
Technology Stack
Node.jsNestJSGraphQLPostgreSQLRedisKongAWS API GatewaySwagger
Trust Signals
Why Choose SinghJi Tech?
200+ projects delivered across 15+ countries. Fixed-price contracts, dedicated teams, and a 98% client satisfaction rate.
Fixed-Price Contracts
No surprise invoices. Full cost transparency from day one.
60% Cost Saving
World-class quality at a fraction of US/UK development costs.
Start in 1 Week
Dedicated team ready to begin your project within 7 days.
100% IP Ownership
All code and assets belong to you. Always.
Agile Delivery
2-week sprints with working demos and continuous feedback.
24/7 Support
Round-the-clock support after launch. Always available.
Frequently Asked Questions
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Global Delivery
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