Custom API Integration
Custom API Integration Services for Modern Businesses
Connect your accounting, booking systems, payment, CRM, logistics and cloud platforms with secure custom API integrations. LangQuang builds scalable integrations that automate workflows, eliminate manual tasks and keep your business running seamlessly.
We've successfully integrated platforms including:
Xero
Google Calendar API
Google Meet API
Google Drive API
Gmail API
Google Maps Platform
Viator API
Clio
Zoom
Stripe
PayPal
Aramex
Custom ERP Systems
CRM Platforms
Inventory Systems
Cloud Storage Providers
Pricing & Marketplace APIs
Xero
Google Calendar API
Google Meet API
Google Drive API
Gmail API
Google Maps Platform
Viator API
Clio
Zoom
Stripe
PayPal
Aramex
Custom ERP Systems
CRM Platforms
Inventory Systems
Cloud Storage Providers
Pricing & Marketplace APIs
What We Do
At LangQuang, we connect the platforms your business relies on through custom API integrations, creating a connected digital ecosystem where data flows securely and seamlessly in real time.Our API integrations are often delivered alongside our custom software development service.
Services
We integrate payment gateways with websites, CRMs, ERP systems and accounting software to automate payment confirmation, invoicing, refunds and reconciliation. Our integrations reduce manual administration while improving customer experience.
Examples include:
Stripe
PayPal
Square
eWAY
Custom payment gateways
Subscription billing
Automate invoice creation, customer synchronisation, expense tracking, reconciliation and financial reporting between your accounting platform and business applications.
Platforms include:
Xero
QuickBooks
ERP accounting systems
Connect reservation platforms with websites, CRMs, calendars, payment systems and travel providers.
Examples include:
Hotels
Tours
Activities
Travel agencies
Event booking
Our custom travel API integrations connect booking platforms, tour operators, and travel systems to automate real-time availability, pricing, reservations, and destination data, creating a seamless booking experience for your customers.
Including:
Viator
Tour operators
Activity providers
Booking engines
Availability systems
Pricing feeds
Keep inventory, orders and customer information synchronised across retail and hospitality systems.
Including:
Inventory
Orders
POS
Automate shipping quotes, tracking, order fulfilment, courier selection and warehouse management.
Including:
Aramex
Custom courier and freight APIs
Shipping and fulfilment platforms
Synchronise product pricing, availability, inventory, supplier catalogues, marketplace data and live market data automatically. We also integrate financial data providers such as Gold API to retrieve real-time gold prices for pricing engines, jewellery businesses, investment platforms and other applications that rely on accurate precious metal market data.
Perfect for:
eCommerce
Wholesale
B2B
Inventory Management
Jewellery Businesses
Metals & Investment Platforms
Why LangQuang
Unlike off-the-shelf plugins that often create limitations, every API integration we build is designed around your unique business.
We build integrations using secure authentication, encryption and industry best practices, following Australian API design.
Every integration is built around your exact business processes, not limited by off-the-shelf software.
Our integrations are designer for high availability, fast performance and future growth as your business expands.
We dont't disappear after launch. We provide ongoing monitoring, maintenance, enhancements and support whenever your systems evolve.
Featured work
ANMDA
Developed the ANMDA membership management platform, connecting memberships, event registrations, bulk email marketing and document management through secure API integrations.
Integrations:
Google Drive API
Membership APIs
Event Registration
Bulk Email System
DOHA TRAVEL GUIDE
Integrated the Viator API to power destination, tour and travel package searches within a Doha Travel Guide. Real-time travel data and booking information enable users to discover experiences through a fast, API-driven search experience.
Integrations:
Viator API
Destination Search
Tour Listings
Travel Packages
Our Process
From Discovery to Deployment
We learn how your business operates, identify manual processes and understand which systems need to communicate.
Our team reviews available APIs, authentication methods, technical requirements and creates a clear integration plan.
We build secure, scalable integrations following Australian API design principles and industry best practices.
Our team reviews available APIs, authentication methods, technical requirements and creates a clear integration plan.
We provide documentation, team handover, monitoring, maintenance and future enhancements as your business grows.
FAQ
Brisbane Office
Camp Hill, Queensland 4152, Australia
Lalitpur 44600
Bhanimandal Ashram Galli
Phone
(+61) 415 505 292
Services
Solutions
Booking & Scheduling Systems
Client Management Systems (CRM)
Custom Dashboards & Portals
E-Commerce Enhancements
Automation Tools
Reporting Templates
In the spirit of reconciliation, LangQuang acknowledges the Traditional Custodians of Country across Australia and their enduring connection to land, sea, and community. We pay respect to their Elders past and present and extend that respect to all First Nations peoples with disability, their families, and careers.
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