API Development & Integration Perth WA

Nano Solutions builds custom REST and GraphQL APIs and integrates third-party platforms for Perth businesses — Salesforce, HubSpot, NetSuite, MYOB, Xero, Stripe, eWAY, and dozens more. We design API contracts (OpenAPI 3.x), implement OAuth2/OIDC, and ship audit-grade observability. Established 2013, part of our broader Systems Integration capability.

Need your software systems to play nice together? That's where we shine. Our team at Nano Solutions builds the digital bridges that keep your apps talking smoothly to each other. Whether you're in Perth or anywhere in WA, we'll craft the perfect API solution that fits your business like a glove.

Building APIs is our bread and butter – think of us as digital plumbers, connecting all the pipes that keep your data flowing exactly where it needs to go. We love untangling the messy bits, getting rid of those frustrating compatibility headaches, and creating one smooth system where everything just clicks. No more isolated software islands or manual data juggling – just seamless connections that make your workflow hum.

Reasons to Invest in API Development and Integration

• Unified Digital Foundation: Think of APIs as your digital foundation – the invisible force keeping everything running smoothly behind the scenes. When your systems can talk to each other effortlessly, magic happens. Data flows exactly where it should, teams stay in sync, and you're ready to grow without hitting technical speedbumps.
• Precisely Customised: No two businesses run quite the same way, right? That's why we skip the one-size-fits-all approach. We build exactly what you need – no bloat, no unnecessary bells and whistles. Just clean, efficient connections that make your work life easier.
• Effortless Integration: Getting new tech to play nice with your existing setup can be a headache. But our APIs slide right in, keeping disruption to a minimum while maximising what your systems can do. Everything works together seamlessly, making life easier for everyone who uses your software.
• Built For Growth: Ready to scale up? Your APIs should grow with you, not hold you back. We build in plenty of breathing room so when business booms, your systems can handle it. More data? No problem. New features? Bring 'em on.
• Adaptable to the Future: The tech world never stands still, and neither should your business. Our APIs are built with change in mind, so you can grab onto new opportunities without being weighed down by outdated systems. When the next big thing comes along, you'll be ready to jump on it.

The Nano Approach to API Development and Integration

We like to keep things simple and practical when building APIs. No needless complexity, just smart solutions that fit your business like a glove. Our process is all about getting to know what makes your operation tick, where the bottlenecks are, and what kind of seamless integration would make your workflow better.

We roll up our sleeves and dive deep into understanding your unique challenges, then translate that insight into APIs that streamline your workflows without adding extra headaches. It's a collaborative effort from start to finish. We'll work side-by-side with you and your stakeholders, making sure every piece of the API puzzle aligns perfectly with your operational needs. The end result is integrations that are easy to adopt and a joy to use.

REST vs GraphQL: Choosing the Right API Architecture

Two dominant architectural styles define modern API development, and choosing the right one for your project has lasting implications for performance, developer experience, and maintainability.

REST APIs

REST (Representational State Transfer) remains the most widely adopted API architecture. REST APIs organise functionality around resources, each identified by a URL, and use standard HTTP methods like GET, POST, PUT, and DELETE to perform operations. REST is well-understood by developers, supported by virtually every programming language and framework, and works naturally with web infrastructure like caching proxies and CDNs.

We recommend REST for most business integration scenarios, particularly when you need broad compatibility, straightforward caching, and a well-established ecosystem of tools for documentation, testing, and monitoring. REST APIs are also the better choice when your API will be consumed by third parties who expect a conventional, predictable interface.

GraphQL APIs

GraphQL, developed by Facebook, takes a fundamentally different approach. Instead of exposing fixed endpoints that return predetermined data structures, GraphQL provides a single endpoint with a query language that lets clients request exactly the data they need. This eliminates the over-fetching and under-fetching problems common with REST, where a client might receive far more data than it needs or have to make multiple requests to assemble the information it requires.

We recommend GraphQL for applications with complex, interconnected data models where different clients need different views of the same data. It is particularly effective for mobile applications where bandwidth efficiency matters, and for frontend-heavy applications where the development team benefits from being able to evolve their data requirements without waiting for backend API changes.

Hybrid Approaches

In practice, many organisations benefit from using both architectures. A REST API might serve as the backbone for system-to-system integrations and third-party access, while a GraphQL layer sits on top to power internal web and mobile applications. We help Perth businesses evaluate the trade-offs and design an API strategy that serves both immediate needs and long-term architectural goals.

API Security: Protecting Your Digital Interfaces

APIs are the front doors to your business data, and they need to be secured accordingly. A poorly secured API can expose sensitive customer information, allow unauthorised transactions, or provide an entry point for broader network compromise. We build security into every API from the design phase.

Authentication and Authorisation

We implement industry-standard authentication protocols including OAuth 2.0 for delegated authorisation, OpenID Connect for identity verification, and API keys for simpler machine-to-machine integrations. Each approach has its place depending on who is consuming the API and how sensitive the data is. For internal APIs, mutual TLS authentication provides an additional layer of verification by ensuring both the client and server present valid certificates.

Authorisation is handled separately from authentication, using role-based or attribute-based access control to ensure that each API consumer can only access the data and operations they are explicitly permitted to use. We define granular permission scopes so that a third-party integration that only needs to read customer names cannot also access financial records.

Rate Limiting and Throttling

Rate limiting protects your API from abuse, whether intentional or accidental. We implement configurable rate limits that restrict the number of requests a client can make within a given time window. This prevents a single misbehaving client from overwhelming your infrastructure and ensures fair access for all consumers. We typically implement multiple rate limiting tiers: a generous limit for authenticated internal clients, a moderate limit for trusted third parties, and a restrictive limit for unauthenticated or unknown consumers.

Input Validation and Injection Prevention

Every piece of data that enters your API is validated against a strict schema before it reaches your business logic. We validate data types, ranges, formats, and lengths to prevent injection attacks, buffer overflows, and data corruption. For APIs that accept structured input like JSON or XML, we validate against published schemas and reject malformed requests before they can cause harm.

Encryption and Data Protection

All API traffic is encrypted in transit using TLS 1.2 or later. For APIs that handle particularly sensitive data, we implement additional protections including field-level encryption for specific data elements, request signing to prevent tampering, and short-lived access tokens to limit the window of exposure if credentials are compromised.

API Versioning Strategies

APIs evolve over time as business requirements change, and managing that evolution without breaking existing integrations is one of the most important aspects of API design. We implement versioning strategies that let you innovate without disrupting your API consumers.

URL Path Versioning

The most straightforward approach places the version number directly in the URL path, such as /api/v1/customers and /api/v2/customers. This makes the version explicit and easy to understand, and it allows multiple versions to coexist on the same infrastructure. We recommend this approach for public-facing APIs where clarity and discoverability are important.

Header-Based Versioning

For APIs where cleaner URLs are preferred, versioning can be handled through custom request headers. The client specifies the desired API version in a header, and the server routes the request to the appropriate handler. This approach keeps URLs stable but requires better documentation and more sophisticated client implementations.

Deprecation and Sunset Policies

We help you define clear deprecation policies that give API consumers adequate notice before older versions are retired. This includes automated deprecation warnings in API responses, sunset date headers, and migration guides that make it straightforward for consumers to upgrade. A well-managed deprecation process protects your relationships with integration partners while allowing you to retire technical debt.

Documentation and Developer Experience

An API is only as useful as its documentation. Even a brilliantly designed API will see low adoption and high support costs if developers cannot understand how to use it. We treat documentation as a first-class deliverable, not an afterthought.

We generate interactive API documentation using the OpenAPI (Swagger) specification. This produces a live, browsable reference that developers can use to explore endpoints, understand request and response formats, and test API calls directly from their browser. The documentation is generated from the API code itself, so it stays in sync as the API evolves.

Beyond reference documentation, we create getting-started guides that walk developers through common integration scenarios, code samples in multiple programming languages, and authentication quickstart guides that reduce the time from API key to first successful request. For complex APIs, we also produce architecture guides that explain the design philosophy and help developers make informed decisions about how to structure their integrations.

For Perth businesses building APIs that will be consumed by external partners or customers, we can set up a developer portal that provides self-service API key management, usage dashboards, and support channels. A well-designed developer experience reduces integration timelines and support burden significantly.

API Monitoring and Analytics

Once your APIs are in production, ongoing monitoring is essential to maintain reliability, identify issues before they affect users, and understand how your APIs are being used.

We implement monitoring that tracks key metrics including response time, error rates, throughput, and availability. Alerts are configured to notify your team immediately when performance degrades or error rates spike. We also set up dashboards that give you real-time visibility into API health and usage patterns.

Analytics provide deeper insights into how your APIs are being consumed. Understanding which endpoints are most popular, which clients generate the most traffic, and how usage patterns change over time helps you make informed decisions about where to invest in improvements, when to scale infrastructure, and how to prioritise new feature development.

For APIs with service level agreements, we track compliance metrics automatically and generate reports that demonstrate adherence to your commitments. This is particularly important for Perth businesses providing APIs to enterprise clients who expect formal performance guarantees.

Real World Example of Our API Development and Integration in Action

When Procom, a leader in the construction sector, came to us, they had a big problem to solve. Managing the massive amounts of paperwork involved in their projects was a constant headache, especially when it came to compiling detailed Operations and Maintenance (O&M) manuals. They needed a way to bring all that scattered data into one seamless system.

That's where our API expertise came in. We worked closely with the Procom team to design custom integrations that pulled information from their various project sources and consolidated it into a unified dashboard. Now, their project managers can easily compile, review, and approve those critical O&M manuals without the usual errors and delays. The end result is a smooth, efficient process that keeps Procom's documentation airtight and their clients happy. No more chasing down paperwork or juggling between disconnected systems. Just streamlined operations powered by APIs that work behind the scenes.

Ready to experience that kind of transformation in your own business? Let's talk about how our custom API solutions can optimise your workflows and unlock new levels of efficiency.