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Read More →OpenMalo builds scalable, well-documented APIs that connect your software products, mobile apps, and third-party platforms into a coherent ecosystem. Our Melbourne and Sydney API engineers have delivered 300+ RESTful and GraphQL APIs for Australian businesses — from internal microservice APIs to public developer platforms serving thousands of API consumers.
We implement semantic versioning (v1, v2) and a deprecation policy from day one. Breaking changes are introduced in new API versions with an overlap period — consumers can migrate at their own pace rather than being forced to update immediately.
Every API is documented using the OpenAPI 3.1 specification with a Swagger UI explorer hosted alongside the API. Developers can browse endpoints, view request/response schemas, and test calls directly from the documentation — no separate setup required.
Authentication via OAuth 2.0 / JWT (for user-facing APIs) or API keys with scopes (for server-to-server integrations). Rate limiting per consumer, IP allowlisting for sensitive operations, and request signing for webhook delivery are all standard security controls.
We design for sub-100ms P99 response times using Redis caching for read-heavy endpoints, database query optimisation, connection pooling, and horizontal scaling behind a load balancer. Load testing is performed before production deployment to validate throughput targets.
Yes — we build integration adapters for any third-party API: Stripe, Xero, Salesforce, SAP, MYOB, Shopify, Australia Post, Shippit, Twilio, SendGrid, and hundreds more. Adapter layers decouple your core application from third-party contracts so switching providers doesn't require rewriting your API.
Yes — we build webhook delivery systems with retry logic, signed payloads (HMAC-SHA256), delivery logs, and a consumer-facing dashboard showing delivery history and failure reasons. Webhooks fire within milliseconds of the triggering event.
An API observability layer tracks request volume, error rates, latency percentiles, and usage per consumer and endpoint. Dashboards in Datadog or Grafana alert on anomalies — letting you identify and resolve issues before they impact downstream applications.
Yes — we deploy APIs to multi-region cloud infrastructure with CloudFront or Cloudflare as the global edge layer. Australian traffic routes to Sydney/Melbourne regions for sub-20ms latency; international traffic routes to the closest regional endpoint — delivering consistent performance worldwide.
OpenMalo Technologies has built more than 300 APIs over 13 years for Australian businesses across fintech, healthtech, e-commerce, logistics, and government. Our Melbourne and Sydney API engineers follow API-first design principles — writing the OpenAPI specification and contract tests before implementation begins. This approach ensures APIs are consistent, predictable, and a pleasure to consume for your internal or external developers.
Every API project includes design consultation, OpenAPI specification, development, automated testing, security review, documentation, and deployment to your cloud infrastructure. Public developer APIs include a developer portal with sandbox environment. Ongoing API maintenance and versioning support is available from AUD $1,500/month.
Tell us about your project and we'll respond within 24 hours.
Resource-oriented REST APIs following OpenAPI 3.1, with versioning, authentication, rate limiting, and full Swagger documentation.
Learn More →Flexible GraphQL APIs with typed schemas, resolvers, subscriptions, and DataLoader optimisation for efficient, over-fetch-free data retrieval.
Learn More →Event-driven webhook delivery systems with retry queues, HMAC-signed payloads, delivery dashboards, and consumer self-service subscription management.
Learn More →Integration adapters for any third-party API — Stripe, Xero, Salesforce, Shopify, Australia Post, Twilio, and hundreds more — with proper error handling and retry logic.
Learn More →Public or partner developer portals with API key management, sandbox environment, interactive Swagger docs, usage dashboards, and developer onboarding flows.
Learn More →Ongoing API version management, consumer migration support, performance optimisation, security patching, and breaking-change governance from AUD $1,500/month.
Learn More →Industry-leading tools and frameworks chosen for performance, scalability, and long-term maintainability.
We run an API design session to define resources, endpoints, request/response schemas, authentication model, versioning strategy, and error codes — producing a complete OpenAPI 3.1 specification for review before any code is written.
Consumer-driven contract tests (Pact) verify the API fulfils the specification throughout development. Two-week Agile sprints deliver working, tested API endpoints from week two of the project.
A dedicated security review checks for OWASP API Top 10 vulnerabilities, authentication bypasses, and data exposure risks. Load testing with k6 validates throughput and latency targets before production deployment.
Swagger UI documentation and a Postman collection are delivered alongside the API. We deploy to your cloud environment, configure monitoring and alerting, and provide a technical handover session for your development team.
Consistently rated as a top technology company in Australia — backed by verified client reviews on Clutch and GoodFirms.
We sign an NDA before any discussion. All IP belongs to you — no shared code, no reuse on completion.
Access to project management tools, weekly progress reports, and live sprint demos throughout delivery.
Melbourne and Sydney offices with real people you can meet in your time zone. Invoiced in AUD.
Agile delivery with fortnightly demos so you see progress, give feedback, and stay in control at every sprint.
We don't just deliver and disappear. Structured post-launch support and ongoing development partnerships available.
"OpenMalo delivered exactly what we needed — on time, on budget, and with a level of quality that exceeded our expectations. The team communicated brilliantly throughout."
"The technical quality and attention to detail from the OpenMalo team is outstanding. Our users love the end product and our business metrics improved significantly post-launch."
"Fast, reliable, and professional. OpenMalo understood our requirements immediately and delivered a solution that has genuinely transformed how we operate. Highly recommended."
Backend software systems that your APIs expose — built by the same team for consistent architecture.
Explore →Multi-tenant SaaS products with public APIs, developer portals, and OAuth 2.0 consumer management.
Explore →API gateway configuration, auto-scaling, CDN, and managed cloud infrastructure for production API hosting.
Explore →iOS and Android apps that consume your APIs — built by the same team for consistent data contract design.
Explore →Independent security testing of your API against the OWASP API Top 10 before or after launch.
Explore →Load and stress testing of your API with k6 to verify throughput and latency targets under production traffic.
Explore →Get a free API design consultation from our Melbourne team. We'll specify your API and provide a fixed-price proposal within three business days.
Local teams across Australia backed by a global delivery centre — giving you the best of both worlds.
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