Stock Keeper
Optimize Offers with Real-Time Inventory
Ground every dynamic offer in accurate, real-time availability across flights, ancillaries, and third-party products.
Move inventory beyond operational tracking and into the core of offer creation and inventory-aware retailing. PROS Stock Keeper provides a centralized inventory foundation that helps ensure every offer is accurate, available, and aligned to current capacity conditions across channels and partners.
- Access Real-Time Inventory
- Centralize Capacity Across Products
- Support Revenue Performance with Accurate Capacity

Power retailing with continuously updated inventory and capacity data across airline and non-airline products. Ensure offers are immediately sellable with availability aligned to pricing and offer decisions.

Maintain a centralized inventory record across flights, ancillaries, supplier allotments, and bundled products. Eliminate fragmented inventory states and support consistent omnichannel retailing decisions.

Power pricing, revenue management, and offer optimization systems with continuously updated stock data. Support pricing accuracy, improve offer validity, and enable more informed inventory-aware decisions.
Integrations
PROS Stock Keeper operates independently or as part of a broader airline retailing ecosystem, ingesting inventory data from flight schedules, supplier systems, and third-party inventory sources. It provides real-time inventory visibility to offer creation, offer optimization, order management, disruption management, and other airline retailing platforms.
AI & Science
AI-Assisted Stock Management
Stock Keeper leverages AI to help optimize inventory allocation, monitor stock utilization trends, and identify operational blind spots. This helps airlines align inventory availability with demand levels while providing current capacity information to downstream retailing, revenue management, offer and order systems.
Features
As the foundational inventory layer for Modern Airline Retailing, PROS Stock Keeper provides real-time capacity visibility that supports accurate offers, revenue optimization, and scalable retail execution.
Real-Time Inventory Engine
Maintain real-time stock for all products to ensure instant availability response during offer creation.
Central Capacity Repository
Eliminate fragmented and closed inventory systems. Centralize inventory and capacity management across airline and third-party products.
Advanced Stock Counters
Track key inventory counts—including available, allowed for sale, ordered, and waitlisted stock—in real time with automated stock generation rules.
Offer Platform Integration
Provide inventory inputs that support accurate offer creation and optimization decisions.
Multi-Source Inventory Support
Manage airline-owned inventory and supplier allotments within a unified inventory model.
Legacy Offer Translation
Support coexistence with legacy availability-based distribution and PSS environments during Offer & Order transformation.
Transaction History
Maintain a complete audit trail of inventory updates, adjustments, and order-driven changes.
From Inventory to Revenue
Inventory as the Core of Retailing
Inventory is a core input into revenue decisions, pricing accuracy, and offer optimization, not simply operational tracking. By continuously connecting current product availability to offer creation and management, airlines can help ensure every offer reflects real-time capacity conditions.
Inventory-Aware Retailing Across Channels
As an integral part of the Offer & Order architecture, PROS Stock Keeper enables inventory-aware retailing across channels and partners. This helps support more accurate, revenue-driven offer decisions while aligning inventory availability with commercial execution.
Book a Demo with an Airline Retailing Expert
Don’t let legacy technology dictate your revenue potential. See what happens when you put PROS precision behind every offer.
FAQs
What is a Stock Keeper in airline retailing?
A system, like PROS Stock Keeper, that tracks and manages inventory across airline flight and non-flight products in real time to ensure accurate availability for every offer.
How is PROS Stock Keeper different from traditional PSS inventory?
Unlike traditional class-based inventory systems, PROS Stock Keeper is a standalone component that provides a unified, real-time inventory view across multiple product types and supports dynamic offer creation and optimization.
How does PROS Stock Keeper enable dynamic pricing and offer optimization?
Real-time inventory signals help pricing and optimization systems make more accurate revenue decisions based on current capacity conditions and offer availability.
Does Stock Keeper manage supplier inventory?
PROS Stock Keeper supports supplier allotments and integrates with external inventory sources to support broader retailing and offer management workflows.
How does Stock Keeper improve the booking experience?
Accurate inventory helps ensure offers remain valid throughout the booking journey, reducing failed bookings and improving customer confidence.
Why is Stock Keeper critical for Modern Airline Retailing?
Modern Airline Retailing requires inventory to be part of real-time offer creation and optimization. PROS Stock Keeper provides the inventory foundation needed to support accurate, scalable, and revenue-aware retailing decisions.
Additional Resources
How Multi-Vendor Collaboration Is Shaping the Next Era of Airline Retailing
Discover how modular solutions and PROS AI are transforming airline retailing with flexibility, interoperability, and strategic innovation.
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Why Modularity and Interoperability Are Defining the Future of Airline Retailing
Discover how airlines can achieve modern retailing by leveraging modular systems, proven interoperability, and scalable decision-making to innovate, adapt, and lead in a competitive landscape.
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Industry Perspective on the Offer and Order Management Journey
Gain an industry perspective on airline offer and order management and how modern retailing strategies are transforming airline distribution, pricing, and revenue optimization.
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