Best API Development Company in Sri Lanka

Colombo's leading API developers. We build secure REST & GraphQL APIs that connect your business systems. Payment gateways, banking APIs, third-party integrations. 99.9% uptime guaranteed.

API Development Services for Sri Lankan Businesses

Your Colombo business needs seamless connections. Inventory systems talking to e-commerce sites. Payment gateways integrated with Sri Lankan banks. Shipping APIs connecting to local couriers.

One broken API connection? Lost revenue.

Manual data entry between systems costs Sri Lankan businesses millions in lost productivity. While you copy-paste, competitors in Colombo automate. Their APIs work 24/7. Their systems scale effortlessly.

APIs change everything. They're the universal translators of the digital age. The silent workers that move data at light speed. The difference between surviving and thriving in 2025.

API Development Solutions We Offer in Colombo

RESTful APIs That Rest Never

The workhorses of the web. Reliable. Proven. Universal.

We craft REST APIs that follow standards religiously. Clean endpoints. Intuitive resources. Proper HTTP methods. Documentation that developers actually understand. Your API becomes a joy to use, not a puzzle to solve.

GraphQL For Data Gymnastics

Why fetch everything when you need something specific?

GraphQL lets clients request exactly what they need. No overfetching. No underfetching. Perfect for mobile apps watching data usage. Complex queries become simple. Performance soars. Developers smile.

Microservices That Think Big

Monoliths crumble. Microservices scale.

Break your application into focused services. Each doing one thing brilliantly. Deploy independently. Scale selectively. Fail gracefully. Your architecture becomes antifragile - stress makes it stronger.

Payment Gateway API Integration Sri Lanka

Commercial Bank, Sampath, HNB, People's Bank integrations that actually work.

We've mastered Sri Lankan payment APIs. PayHere, iPay, Genie integrations. Dialog and Mobitel payment gateways. International options like Stripe and PayPal for global transactions. Your Colombo business accepts payments seamlessly.

Real-Time APIs For Real-Time Business

Some data can't wait. Stock prices. Live tracking. Chat messages.

WebSockets. Server-sent events. Long polling when needed. We build APIs that push data instantly. Your users stay informed. Engagement stays high.

API Gateways That Guard The Gates

One entry point. Multiple services. Total control.

Rate limiting protects from abuse. Authentication ensures security. Monitoring reveals patterns. Your API ecosystem stays organized, secure, observable.

Numbers That Speak Volumes

200ms

Average API response time

99.9%

Uptime guarantee

10M+

API calls handled daily

How We Engineer Your API Excellence

Architecture Before Code

Cowboys code first. Professionals plan first.

We map data flows. Identify entities. Design relationships. Choose patterns. Your API architecture emerges from understanding, not assumptions. Scalability built-in from day one.

Standards That Stand The Test

RESTful principles. HTTP semantics. JSON conventions.

We follow standards because standards matter. Developers worldwide understand our APIs instantly. No learning curve. No surprises. Just productive integration from the first call.

Security Baked In, Not Bolted On

OAuth 2.0. JWT tokens. API keys. Rate limiting.

Security isn't an afterthought - it's the foundation. Every endpoint protected. Every request validated. Every response sanitized. Your data stays yours. Your users stay safe.

Documentation That Developers Love

Interactive docs. Code examples. Postman collections.

Great APIs need great documentation. We provide both. Clear explanations. Working examples. Common scenarios covered. Integration becomes straightforward, not stressful.

Testing That Prevents Embarrassment

Unit tests. Integration tests. Load tests. Chaos tests.

We test obsessively because production isn't forgiving. Every endpoint verified. Every edge case covered. Performance benchmarked. Your API launches with confidence.

API Success Stories From The Field

The E-commerce Integration Revolution

A growing retailer juggled three systems. Inventory in Excel. Orders on the website. Accounting in another app.

POST /api/orders

UPDATE inventory
CREATE invoice
NOTIFY shipping

One API to rule them all. Orders now flow seamlessly. Inventory updates instantly. Accounts reconcile automatically. 60% time saved. Zero data entry errors.

The Banking API That Changed Everything

A fintech startup needed to connect with traditional banks. Legacy systems. Outdated protocols. Skeptical stakeholders.

We built the translation layer. Modern REST API talking to ancient systems. Real-time balance checks. Instant transfers. Compliance maintained. The startup secured $2M funding within months.

The Logistics Platform That Scaled

Multiple delivery partners. Different APIs. Inconsistent data formats. Tracking nightmares.

Our unified API normalized everything. One integration for clients. Automatic routing to best provider. Real-time tracking across all partners. Delivery success rate increased 35%.

Technologies We Master Daily

Languages & Frameworks

Node.js for JavaScript everywhere. Python for data-heavy operations. Go for blazing performance. Java for enterprise reliability. The right tool for your needs.

Databases & Storage

PostgreSQL for relational data. MongoDB for flexibility. Redis for caching. Elasticsearch for search. Your data, optimally stored.

Infrastructure & Deployment

AWS for scale. Docker for consistency. Kubernetes for orchestration. CI/CD for reliability. Your API runs anywhere, flawlessly.

Monitoring & Analytics

Datadog for observability. ELK stack for logs. Grafana for metrics. PagerDuty for alerts. Know everything, miss nothing.

Questions Developers Ask Us

REST or GraphQL?

Both have their place. Neither is universally better.

REST excels at simplicity. Standard operations. Caching. Wide understanding. GraphQL shines with complex queries. Multiple resources. Bandwidth concerns. We recommend based on your specific needs.

How do you handle versioning?

Carefully. Very carefully.

URL versioning for major changes. Header versioning for minor updates. Deprecation warnings well in advance. Migration guides for developers. Your API evolves without breaking existing integrations.

What about API security?

Security isn't optional. It's existential.

HTTPS everywhere. Authentication required. Authorization enforced. Input validated. Output sanitized. Rate limits applied. Security headers set. We leave nothing to chance.

How much does API development cost?

Less than the cost of not having one.

Simple APIs start around 10 lakhs. Complex integrations run higher. But consider the alternative - manual processes, data silos, missed opportunities. ROI typically appears within 6 months.

Your Systems Are Waiting To Talk

Right now, your data sits in silos. Isolated. Underutilized. Full of potential but lacking connection.

Your competitors are already connecting everything. Automating workflows. Delighting customers with seamless experiences. Building competitive moats with superior integration.

Every day of disconnection is a day of disadvantage.

But tomorrow? Tomorrow your systems could sing. Your data could flow. Your business could transform.

All it takes is the right API. And the right team to build it.

Connect Your Systems Today