OTA Developer & Travel
GDS API Integration Company
We are expert travel software developers specializing in online travel agency (OTA) platforms, travel portal development, certified GDS API integration (Amadeus, Sabre, Galileo), and IATA NDC implementation. From custom booking engines to visa portals and travel agency ERP/CRM software, we engineer travel tech that scales.
Enterprise Travel Technology Solutions
Production-ready software solutions designed to increase bookings, optimize operations, and scale without limits.
Design and deploy custom OTA platforms and travel booking software with modular B2B/B2C travel portal architecture.
Certified GDS developer providing Amadeus API, Sabre API, and Travelport API integration for live flight & hotel inventory.
IATA NDC API direct connections and Duffel API integration with live seat maps, baggage ancillaries, and instant orders.
Multi-supplier hotel engine connecting HotelBeds, RateHawk, and WebBeds APIs with room mapping and dynamic markups.
Dynamic itinerary builder, day-by-day tour pricing, departure schedules, and package booking management for operators.
Integrate global car rental suppliers and local fleets with pickup/drop-off location routing and daily rate calculators.
Intercity bus ticketing software with seat selection layouts, route scheduling, operator commissions, and e-tickets.
Rail network booking integration for national and regional train operators with seat classing and passenger details.
Ferry ticket booking software supporting island routes, cabin classes, vehicle transport, and instant departure passes.
Advanced discount engine with promo codes, seasonal campaign rules, cashback wallets, and flash sale countdowns.
Specialized Umrah booking software with Makkah/Madinah hotel packages, ground transport, visa guidance, and B2B pricing.
SEO-optimized content management system and native iOS & Android travel mobile apps for seamless B2C and B2B bookings.
About Us
Engineering the operating system for online travel agency (OTA) commerce.
Built for travel agencies, flight API resellers, and travel tech innovators.
Project OTA is a premier travel technology company delivering custom travel portals, booking engine systems, and supplier API connectivity. As GDS developers, NDC developers, and travel API experts, we help travel businesses automate booking flows, integrate hotel and visa APIs, and scale travel agency operations globally.
From startups launching their first white-label flight and hotel portal to IATA-accredited consolidators managing hundreds of B2B sub-agents, our engineering teams in Australia and Bangladesh architect high-availability booking systems built on modern microservices, sub-second Redis caching, and automated GDS/NDC ticketing pipelines.
99.95% Uptime
Cloud-native auto-scaling OTA infrastructure
25+ Suppliers
Sabre, Amadeus, Travelport, NDC & global bedbanks
< 400ms Cache
Intelligent fare caching for optimal look-to-book
100% Automated
PNR creation, e-ticketing, split, void & reissues
Our Services
Everything you need to build and scale your travel business.
From custom OTA platforms and GDS integrations to mobile apps and cloud hosting — we deliver end-to-end travel technology solutions.
OTA Software
Launch complete OTA platforms with search, availability, pricing, and booking workflows.
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Web development
High-converting web experiences for B2B agents, B2C travelers, and corporate portals.
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App Development
Native and cross-platform apps with real-time inventory and frictionless checkout.
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Our Product Packages
Choose the right plan to launch and scale your OTA business.
B2C
$3000
Starting package
- Responsive consumer booking website
- Flight, hotel, and package search flows
- Payment gateway integration
- Admin dashboard with order management
- Basic SEO setup and analytics
- Launch support and training
B2B
$5000
Starting package
- Agent portal with dynamic pricing
- Markup and commission management
- Credit control and sub-agent tools
- PNR management and ticketing flows
- API integration support
- Go-live QA and onboarding
Consultancy
$1000
Starting package
- Architecture and roadmap workshop
- Supplier API strategy and evaluation
- Scope definition and timeline plan
- UX flow review and recommendations
- Technical documentation guidance
- Implementation support sessions
Why you should choose
Project OTA:
Global Travel Tech Expertise
With offices in Australia and Bangladesh, our team of experienced GDS developers, NDC developers, and travel portal developers is well-equipped to build enterprise-grade travel software.
Custom OTA Developer Solutions
We leverage cutting-edge technology and travel API integrations to deliver custom travel portals, booking engines, and travel agency CRM/ERP systems tailored to your business.
24/7 GDS & API Developer Support
Our dedicated support team ensures seamless operations with 24/7 technical assistance for Amadeus, Sabre, airline APIs, and custom travel software systems.
Product
Launch B2B, B2C, or white-label channels on one platform.
B2B
B2B flight booking portals and agent platforms with GDS API connectivity, credit management, and multi-tier commission structures.
B2C
Custom B2C travel portals and flight search engines optimized for conversion, real-time ticket booking, and mobile devices.
White Label
Brand-ready white label OTA platforms and booking engines with custom theming, hotel API, and sub-agent management.
Our Proud Work
Recent launches across OTA, B2B, and supplier connectivity.
We are proud to our works
We bring solutions to make life easier for our customers.
1000+
Revenue Growth
4x
Revenue Growth
99.7%
Customer Satisfaction
Testimonial
What Our Clients Say
Trusted by travel agencies and OTA businesses worldwide.
Very great service. Knowledgeable.
abdeltraor
United States
Son travail est super, il sait de quoi il parle!
flyandfirst
France
Working with Kayes Fahim was an absolute pleasure. His code expertise and quick responsiveness made the whole process smooth. Highly recommend.
venturewithdom
United Kingdom
Latest Insights & Guides
Expert knowledge on GDS, NDC, OTA development, and travel technology.
GDS API Integration for Online Travel Agencies
Connect Amadeus, Sabre, Travelport and airline inventory in one booking flow
7 Jul, 2026
IATA Accreditation Benefits for Travel Agencies
Why IATA status matters for ticketing authority, airline trust and agency growth
6 Jul, 2026
Flight API Integration Guide for OTA Platforms
How to build search, price, booking and ticketing flows around airline APIs
5 Jul, 2026
Sabre API Integration for Travel Agencies
Build air shopping, PNR creation, ticketing and servicing workflows with Sabre
4 Jul, 2026
Technology
What's Technology We Use
To provide you best of services, we use following technologies.
React.js
Next.js
Node.js
NestJS
Python
Enterprise Travel Architecture
Deep domain engineering across GDS, IATA NDC, Hotel Bedbanks, and B2B Mid-Office Automation.
Building a profitable Online Travel Agency (OTA) requires far more than a generic website template. Modern travel commerce demands resilient API orchestration capable of querying millions of flight combinations and hotel rooms in milliseconds, reconciling complex airline fare rules, preventing booking failures during payment capture, and automating post-ticketing servicing. Here is how Project OTA engineers production-grade travel platforms:
Sabre, Amadeus & Travelport+ GDS API Engineering
We engineer full-lifecycle Global Distribution System (GDS) integrations covering low-fare air shopping (Bargain Finder Max, Master Pricer), fare rule validation, SSR/OSI passenger service requests, automated PNR creation, split PNR workflows, e-ticket issuance, void/refund/reissue automation, and PCC queue monitoring.
- Sub-second Redis fare caching & session pooling
- Automated IATA BSP & ARC ticketing compliance
- Multi-PCC / Multi-OID routing & pseudo-city failover
- Real-time seat map rendering & ancillary SSR booking
IATA NDC Direct Connect & LCC Aggregation
Bypass legacy distribution surcharges and unlock rich airline content through IATA New Distribution Capability (NDC) XML/JSON schemas (17.2 through 21.3+) alongside Low-Cost Carrier (LCC) APIs. Deliver branded fares, dynamic bundles, continuous pricing, and instant order servicing in a unified search response.
- Unified normalization of GDS + NDC + LCC flight offers
- Dynamic branded fare matrices & baggage upsell flows
- OrderChange, OrderCancel & involuntary schedule handling
- Direct airline API connectors & consolidator aggregators
Multi-Supplier Hotel API & GIATA Deduplication Engine
Aggregate over 2.5 million global properties from leading bedbanks and channel managers including Hotelbeds, WebBeds, RateHawk, Expedia Partner Solutions (EPS), TBO, and Agoda. Our intelligent mapping layer eliminates duplicate hotel listings and normalizes room boards, cancellation policies, and net/commissionable rates.
- Property & room-level deduplication with GIATA / AI matching
- Pre-book rate revalidation & strict cancellation deadline alerts
- Instant PDF hotel voucher generation with custom agency branding
- Dynamic net-to-gross markup rules by destination, star rating & supplier
B2B Sub-Agent Network, Wallet & Financial Automation
Scale your travel distribution network with a multi-tier B2B portal built for consolidators and destination management companies (DMCs). Manage unlimited sub-agents, corporate clients, credit limits, virtual wallets, automated bank top-ups, and granular commission hierarchies with full audit logs.
- Multi-currency ROE conversion & real-time FX margin buffers
- Granular markup engine (by airline, cabin, route, POS, or agent tier)
- Automated tax invoicing, credit notes & accounting ledger export
- Role-based access control (RBAC) for ticketing officers & finance teams
OTA Platform Comparison Guide
Compare our deployment models to choose the right architecture for your travel business stage and budget.
| Capability / Dimension | Custom Enterprise OTA | B2B Sub-Agent Portal | White-Label Travel Portal | Visa Flight/Hotel System |
|---|---|---|---|---|
| Primary Use Case | Enterprise B2C/B2B brands scaling global volume & proprietary UX | Consolidators & wholesalers distributing inventory to sub-agents | Startups & non-IATA agencies seeking rapid go-to-market | Agencies selling verifiable flight & hotel reservations for visas |
| Typical Launch Timeline | 8 – 16 Weeks (Phased Agile Delivery) | 4 – 8 Weeks | 1 – 3 Weeks (Turnkey Setup) | 2 – 4 Weeks |
| IATA / GDS License Required? | Supports both Direct GDS PCCs & Consolidator APIs | Supports Direct GDS, NDC & Sub-Agent Reselling | No — Works immediately with pre-integrated suppliers | Supports Live GDS PNR Hold & Automated Fulfilment |
| Markup & Commission Engine | Fully Custom Rules + Promo Codes + Dynamic Pricing | Multi-Tier Agent Markups + Credit Limits + Wallet Ledger | Built-in Admin Markup Controls & Currency Switcher | Fixed / Tiered Route Pricing & Instant Online Checkout |
| Source Code & IP Rights | Full Custom Architecture & Dedicated Cloud Deployment | Enterprise License or Dedicated Cloud Instance | Managed SaaS / Branded Domain Deployment | Turnkey or Custom Branded Portal |
How We Build & Launch Your OTA
A transparent 6-step engineering methodology from commercial planning and GDS certification to production scaling.
01
Commercial Discovery & Supplier Strategy
We evaluate your target markets, licensing status (IATA accredited vs. Non-IATA startup), and unit economics to select the right mix of GDS (Sabre, Amadeus, Travelport), NDC aggregators, hotel bedbanks, and local/international payment gateways.
02
UX/UI Prototyping & Conversion Architecture
Our product designers craft mobile-first flight and hotel search experiences, transparent fare breakdowns, multi-city itinerary builders, and streamlined passenger checkout flows engineered to maximize look-to-book conversion ratios.
03
API Normalization, Caching & Booking Engine Core
We build the asynchronous supplier aggregation layer—normalizing XML/SOAP/REST responses into a unified schema, implementing Redis caching to protect your look-to-book ratios, and enforcing real-time fare and availability revalidation before payment capture.
04
Mid-Office, Wallet Ledger & Payment Orchestration
Integration of 3D Secure 2.0 payment gateways (Stripe, SSLCommerz, PayPal, regional banks), multi-currency conversion, automated PDF e-ticket/voucher rendering, and B2B agent credit/wallet accounting.
05
GDS Certification & End-to-End QA Testing
We execute mandatory airline and GDS certification scripts—validating adult/child/infant passenger types, split PNRs, passive segments, SSR wheel-chair/meal codes, void windows, and webhook idempotency under high concurrency.
06
Cloud Launch, Technical SEO & 24/7 SLA Support
Production deployment on containerized cloud infrastructure with automated backups, Core Web Vitals optimization, multilingual SEO landing pages, and round-the-clock engineering support from our Dhaka and Australia teams.
Frequently Asked Questions About OTA
Everything you need to know about starting an Online Travel Agency, GDS/NDC API integration, revenue models, IATA licensing, and project timelines.
OTA FundamentalsWhat is an Online Travel Agency (OTA) and how does its technology work?
An Online Travel Agency (OTA) is a digital travel commerce platform that enables consumers (B2C) or travel sub-agents (B2B) to search, compare, book, and pay for flights, hotels, holiday packages, car rentals, visa services, and travel insurance in real time. Behind the scenes, an OTA connects via XML/REST/JSON APIs to Global Distribution Systems (Sabre, Amadeus, Travelport), airline IATA NDC feeds, Low-Cost Carriers (LCCs), and global hotel bedbanks—aggregating live availability, applying automated markup rules, capturing secure payments, and issuing instant e-tickets and hotel vouchers.
Business Model & RevenueHow does an Online Travel Agency (OTA) make money and generate high margins?
OTAs generate revenue through multiple streams: (1) Dynamic Net-to-Gross Markups—adding flat or percentage margins on net flight and hotel inventory based on route, airline, cabin class, or seasonality; (2) Airline Upfront & Back-End Commissions (IATA BSP / GSA overrides and volume incentives); (3) Ancillary Upsells—earning high margins on seat selection, extra baggage, meals, travel insurance, and visa assistance; (4) Merchant Hotel Margins (12%–25% commission or net bedbank markup); and (5) B2B Sub-Agent Deposit & API Reselling fees.
Licensing & StartupHow can I launch an Online Travel Agency (OTA) if I do not have IATA accreditation yet?
You do not need IATA accreditation on day one to launch a profitable OTA. Non-IATA travel agencies can start immediately using our White-Label OTA platform or by integrating B2B consolidator APIs and NDC/flight aggregators that allow you to search, hold PNRs, and issue airline tickets using the supplier's ticketing authority. Once your monthly booking volume grows and you obtain your own IATA/ARC number and GDS Pseudo City Code (PCC), our modular architecture lets you plug in your direct Sabre, Amadeus, or Travelport credentials without rebuilding your website.
OTA ModelsWhat is the difference between a B2C OTA, a B2B Travel Portal, and a White-Label OTA?
A B2C OTA is a public-facing travel booking website and mobile app designed for retail travelers paying via credit/debit cards or mobile wallets, optimized for SEO and conversion. A B2B Travel Portal is a password-protected wholesale workspace where travel consolidators distribute net inventory to registered sub-agents who book using virtual wallets, credit limits, and tiered commission rules. A White-Label OTA is a pre-engineered turnkey travel portal deployed on your custom domain in 1 to 3 weeks with pre-connected flight and hotel suppliers.
GDS & NDC APIsWhat is the difference between Sabre, Amadeus, Travelport GDS, and IATA NDC APIs?
Global Distribution Systems (Sabre, Amadeus, and Travelport+) are traditional enterprise reservation networks that aggregate schedules, fares, and inventory across hundreds of full-service airlines with standardized EDIFACT/XML workflows and BSP settlement. IATA NDC (New Distribution Capability) is a modern XML/JSON communication standard that allows airlines to distribute rich content, dynamic continuous pricing, seat bundles, and personalized offers directly to OTAs—often waiving GDS distribution surcharges. Project OTA combines both GDS and NDC streams into a single unified search screen so your customers always see the lowest available fare.
Cost & InvestmentHow much does it cost to build and launch a professional OTA platform?
Investment depends on your deployment model and supplier scope. A turnkey White-Label or Starter OTA package begins at $5,000, enabling rapid market entry with core flight and hotel booking flows. A full-scale Custom B2B/B2C Enterprise OTA with direct GDS API integration (Sabre, Amadeus, or Travelport), multi-supplier bedbank deduplication, custom UI/UX, and back-office accounting typically ranges from $10,000 to $25,000+ depending on custom modules and native iOS/Android mobile apps.
Timeline & CertificationHow long does custom OTA development and GDS API certification take?
A turnkey white-label travel portal can go live under your brand domain in 1 to 3 weeks. A bespoke B2C/B2B OTA platform with custom UI/UX and direct GDS API integration (Sabre, Amadeus, or Travelport) typically takes 8 to 14 weeks, depending on the number of suppliers, payment gateways, and mid-office workflows required. Because our engineering team has pre-built, battle-tested connectors for major GDS and hotel bedbank APIs, we cut standard certification timelines by more than 50%.
Performance & CachingHow do you handle look-to-book ratios and API speed across multiple travel suppliers?
GDS providers and hotel bedbanks strictly monitor look-to-book ratios and penalize excessive unbooked search queries. We solve this with an intelligent multi-layer Redis caching engine, parallel asynchronous streaming, route-level TTL (time-to-live) policies, and bot/scraper rate limiting. Popular city pairs are served in under 400ms from cache, while live supplier revalidation (re-price and availability check) executes right before passenger checkout to guarantee 100% price accuracy.
B2B Sub-AgentsCan Project OTA build a B2B sub-agent portal with credit limits and multi-tier markups?
Yes. Our B2B travel portal module is purpose-built for travel consolidators, wholesalers, and destination management companies. It includes unlimited sub-agent onboarding, KYC document verification, virtual wallet top-ups, credit limit enforcement, multi-tier markup and commission rules (configurable by airline, cabin class, origin/destination, or individual agent), sub-agent staff roles, and automated financial statements.
Hospitality TechHow does multi-supplier hotel deduplication work when connecting multiple bedbanks?
When you connect multiple hotel APIs (such as Hotelbeds, WebBeds, RateHawk, and Expedia), the same hotel often appears multiple times with slightly different names, coordinates, or room descriptions. Our hospitality aggregation engine uses GIATA IDs, geocoordinate clustering, and fuzzy string matching to merge identical properties into a single hotel card, displaying the lowest net rate from each supplier side-by-side.
Payments & FinTechWhich international and local payment gateways can be integrated into an OTA?
We integrate global 3D Secure 2.0 payment processors including Stripe, PayPal, Adyen, Checkout.com, Authorize.Net, and Apple/Google Pay, alongside regional gateways such as SSLCommerz, bKash, Nagad, Razorpay, Paystack, Telr, and PayTabs. Our checkout engine supports multi-currency display, automated FX conversion buffers, gateway fee pass-through rules, and split settlement.
Post-Ticketing AutomationHow are flight cancellations, ticket voids, date changes, and refunds handled in an OTA?
Post-booking servicing is where many travel portals fail without proper automation. Project OTA builds native GDS queue listeners and automated post-ticketing workflows: instant same-day ticket voiding within airline BSP windows, automated fare rule penalty extraction, voluntary/involuntary date-change reissue requests, split PNR servicing for partial group changes, and credit-note / wallet refund ledger reconciliation.
Training & OperationsDo you offer live GDS training for travel agency ticketing staff?
Yes. Alongside software engineering, Project OTA provides hands-on, instructor-led Live Online GDS Training covering Sabre, Amadeus, and Travelport (Galileo). Your reservation officers learn real-world PNR creation, fare pricing, APIS/DOCS passport entry, child/infant ticketing, PNR splitting, ticket voiding, date change reissues, and refund calculations.
Support & AdvisoryWhat ongoing technical support and OTA consultancy do you provide after launch?
Travel APIs evolve constantly with schema deprecations, airline rule changes, and seasonal traffic spikes. We offer 24/7 technical SLA support, proactive supplier API maintenance, cloud infrastructure monitoring, and a dedicated 3-month Travel & OTA Consultancy program covering business setup, financial cost projections, supplier negotiations, and growth marketing.
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