Inferensys

Integration

AI for Lot and Serial Tracking with Expiry Management

A technical blueprint for using AI to automate lot/serial decisions, predict expiry risks, and trigger proactive workflows in Warehouse Management Systems (WMS) like Manhattan, SAP EWM, Blue Yonder, and Oracle.
Risk analyst performing AI risk assessment on laptop, risk matrices visible, casual office risk session.
ARCHITECTURE FOR REGULATED AND PERISHABLE GOODS

Where AI Fits into Lot, Serial, and Expiry Management

Integrating AI into lot, serial, and expiry workflows transforms static tracking into a proactive, predictive control layer for quality, compliance, and cost reduction.

AI integration connects directly to the core data objects and transaction APIs of your WMS—be it Manhattan Active, SAP EWM, or Oracle WMS Cloud. The primary surfaces are the lot master, serialized item, and inventory status tables, along with the receiving, putaway, picking, and cycle count transaction modules. AI agents monitor these data streams in real-time to enforce business rules, predict risks, and automate disposition workflows that would otherwise require manual review by quality or inventory control teams.

High-value use cases are operational and compliance-driven:

  • Intelligent FEFO/FIFO Overrides: AI analyzes real-time pick demands, location travel times, and remaining shelf life to dynamically suggest the optimal lot to pick from, overriding simple system rules to minimize waste.
  • Proactive Expiry Risk Alerts: Models predict future expiry exposure by correlating lot creation dates, historical movement velocity, and seasonal demand, generating pre-emptive workflows for quality holds, promotions, or returns to vendor.
  • Automated Disposition Workflows: Upon a quality hold or expiry scan, AI classifies the item and condition (using notes or integrated vision systems) and automatically creates the appropriate task—quarantine move, destruction order, or return authorization—within the WMS, routing it for the necessary approvals.
  • Recall Simulation & Traceability: In the event of a recall, AI can instantly map the propagation of a suspect lot through the warehouse, identifying all impacted serial numbers and their current locations, dramatically accelerating containment.

A production implementation is typically wired as a middleware service layer. It subscribes to WMS transaction events via webhooks or polls REST APIs, maintains a real-time mirror of lot/serial states, and runs inference against business rules and predictive models. Decisions are pushed back into the WMS as suggested tasks via its task management API or, for automated workflows, as direct transactions. Governance is critical: all AI overrides are logged in an immutable audit trail linked to the original WMS transaction ID, and high-risk actions (like destruction) remain gated by human-in-the-loop approvals within the existing WMS role-based access control (RBAC) framework.

Rollout focuses on augmenting, not replacing, existing processes. Start with a single high-value, high-risk product category or storage zone. Implement AI as a recommendation engine visible to supervisors on their RF guns or warehouse dashboards. As confidence grows, automate the exception workflows for clear-cut cases, freeing your quality team to focus on complex investigations. This approach delivers measurable impact: reducing manual lot checks, shrinking write-off volumes by moving aging inventory sooner, and ensuring audit-ready compliance without increasing headcount.

ARCHITECTURAL BLUEPRINT

WMS Integration Touchpoints for Lot & Expiry AI

Inventory & Lot Master Records

AI for lot and expiry management must first integrate with the foundational data models within your WMS. This includes the Item/LPN Master (containing dimensions, storage requirements) and the Lot/Serial Master tables, which hold the critical manufacturing_date, expiry_date, and status fields (e.g., HOLD, RELEASED).

Integration typically occurs via:

  • Batch APIs to sync item-lot attributes from ERP or MES systems into the WMS.
  • Real-time event listeners for new lot receipts, where AI can immediately assess and assign a risk score or suggested FEFO slot.
  • Direct database queries (for on-premise WMS like Manhattan SCALE) to build training datasets for expiry prediction models, joining lot data with transaction history.

This foundational layer provides the 'ground truth' for all subsequent AI scoring and workflow triggers.

WMS INTEGRATION PATTERNS

High-Value AI Use Cases for Lot & Expiry Control

Integrating AI with your Warehouse Management System transforms static lot and serial data into a dynamic, predictive control layer. These patterns automate FEFO/FIFO decisions, predict quality risks, and generate proactive workflows—directly within your WMS task queues and inventory records.

01

AI-Driven FEFO/FIFO Override Engine

AI analyzes real-time inventory, inbound ASN data, and external factors (like cold chain temperature logs) to dynamically override standard WMS picking rules. It suggests the optimal lot for each pick task to minimize waste and maximize shelf life, pushing updated directives to RF guns and voice picking systems.

Batch -> Real-time
Decision cadence
02

Predictive Expiry Risk & Proactive Workflow Triggers

AI models forecast expiry risks weeks in advance by correlating lot dates, turnover velocity, and seasonal demand. High-risk lots automatically trigger workflows in the WMS: generating cycle counts, creating quality hold tasks, or flagging items for promotional bundling to prevent write-offs.

Same day
Proactive alerting
03

Automated Quarantine & Disposition on Receiving

At receiving, AI evaluates supplier history, lot documentation, and visual inspection data (if integrated) to score inbound lots. It can automatically create quarantine tasks in the WMS, assign hold locations, and recommend disposition (accept, return, downgrade) to QA teams, reducing manual review time.

Hours -> Minutes
Inbound review
04

Intelligent Recall & Traceability Workflows

During a recall, AI parses regulatory notices and matches affected lot codes against WMS inventory tables across all locations. It automatically generates containment tasks, creates pick lists for returns, and updates inventory statuses to 'blocked,' ensuring rapid, auditable execution.

1 sprint
Recall readiness
05

Dynamic Cycle Counting Based on Lot Criticality

Replaces fixed ABC counting cycles. AI scores lots based on value, expiry proximity, and transaction error history to create a dynamic count schedule. High-criticality lots are prioritized, and count tasks are injected directly into the WMS task management module for assigned operators.

30%+
Higher count accuracy
06

Compliance Documentation & Audit Trail Automation

AI monitors all WMS transactions related to lot moves, status changes, and quality holds. It automatically generates structured audit trails, compliance reports (e.g., for FDA, GDP), and required documentation packets by extracting and summarizing data from WMS logs and integrated IoT sensors.

Batch -> Real-time
Report generation
LOT AND SERIAL TRACKING

Example AI-Enhanced Workflows

These workflows demonstrate how AI agents can integrate with your WMS's lot and serial tracking modules to automate critical decisions, predict risks, and generate proactive actions for quality and compliance.

Trigger: A new lot is received into the warehouse and scanned at the receiving dock.

Context Pulled: The WMS API fetches the lot's attributes (manufacture date, expiration date, supplier, item master data) and the current inventory profile of all eligible storage locations.

AI Agent Action: A model scores each potential putaway location based on a multi-factor objective:

  1. FEFO Priority: Calculates the remaining shelf-life percentage for the incoming lot and compares it to lots already in each location.
  2. Operational Efficiency: Considers the location's proximity to primary picking zones for the item's velocity.
  3. Compliance Rules: Validates against internal policies (e.g., lots from Supplier A cannot be stored adjacent to Supplier B).

The agent returns the optimal storage location and a confidence score.

System Update: The WMS creates the putaway task with the AI-recommended location. For picking, a similar agent analyzes all available lots for an order line, selects the optimal lot based on FEFO and order ship date, and directs the picker via RF/voice.

Human Review Point: The system flags recommendations with low confidence scores or those that violate a hard rule for supervisor approval before task creation.

FROM REACTIVE TRACKING TO PROACTIVE MANAGEMENT

Implementation Architecture: Data Flow & Integration Patterns

A technical blueprint for connecting AI models to your WMS to automate lot and serial decisions, predict expiry risk, and generate proactive workflows.

The integration architecture centers on creating a real-time decision layer that sits between your WMS's core inventory tables and its workflow engine. Key data objects include the Lot Master, Serial Master, and Inventory Transaction tables. The AI service ingests this data via WMS APIs or a CDC stream, enriching it with external signals like supplier quality history, storage condition logs from IoT sensors, and forward demand forecasts from your ERP. This unified view enables the AI to score each lot for expiry risk and recommend optimal picking sequences (FEFO/FIFO) that balance shelf-life, order priority, and pick path efficiency.

Integration occurs at two primary workflow hooks: Task Creation and Exception Handling. For task creation, when the WMS generates a pick wave, the AI service is called via a REST API. It receives the candidate lot list and returns a prioritized sequence, which the WMS uses to populate the pick directive. For exceptions, when a quality check fails or a temperature excursion is logged, the AI service evaluates the impacted lot against compliance rules and historical data. It then triggers a workflow in the WMS—such as moving inventory to a Quality Hold location, creating a Disposition task for review, or automatically generating a Return Material Authorization (RMA)—via the WMS's workflow automation or custom BAdI/scripting interfaces.

Rollout requires a phased approach, starting with a shadow mode where AI recommendations are logged but not executed, allowing for validation against planner decisions. Governance is critical; all AI-overridden decisions must be logged in a dedicated audit trail linked to the original WMS transaction ID. Implement a human-in-the-loop approval step for high-value or high-risk dispositions. This architecture, built on event-driven APIs and a centralized AI orchestration layer, transforms lot management from a manual, reactive record-keeping exercise into a closed-loop, predictive system that minimizes waste and ensures compliance. For related patterns on integrating AI with core WMS workflows, see our guides on AI for Picking Workflows in WMS and AI for Real-Time Exception Handling in WMS.

AI-ENHANCED LOT & SERIAL WORKFLOWS

Code & Payload Examples

AI-Driven Putaway & Picking Recommendations

Integrate an AI scoring service with your WMS's task creation API to dynamically determine the optimal lot or serial number to pick or put away. The model analyzes expiry dates, quality holds, and future demand forecasts to override static FIFO rules with intelligent FEFO (First Expiry, First Out) logic.

Example API Payload (WMS → AI Service):

json
{
  "task_type": "PICK",
  "sku": "PHARMA-1001",
  "required_quantity": 50,
  "available_lots": [
    {
      "lot_number": "L230501A",
      "serial_numbers": ["S001"..."S100"],
      "expiry_date": "2024-11-30",
      "current_location": "A-01-02",
      "quality_status": "RELEASED",
      "received_date": "2023-05-01"
    },
    {
      "lot_number": "L230815B",
      "expiry_date": "2025-03-15",
      "current_location": "C-05-11",
      "quality_status": "HOLD",
      "hold_reason": "pending_stability_data"
    }
  ],
  "destination": "SHIPPING_DOCK_1",
  "order_ship_date": "2024-10-28"
}

The AI service returns a ranked list of recommended lots/serials and a confidence score, which your integration uses to generate the precise WMS pick or putaway task.

AI-ENHANCED LOT & SERIAL TRACKING

Realistic Operational Impact & Time Savings

This table illustrates the operational impact of integrating AI with your WMS for lot and serial tracking, moving from reactive, manual processes to proactive, automated workflows.

ProcessBefore AIAfter AIKey Notes

Expiry Risk Identification

Manual report review, weekly

Automated daily alerts

AI scans all active lots against consumption forecasts and shelf life

FEFO/FIFO Decision Support

Operator judgment based on printed lists

System-suggested pick sequences

Integrates with RF/voice picking; human confirms final selection

Quality Hold & Disposition Workflow

Email chains, manual record updates

Automated workflow triggers in WMS

AI classifies issue from notes/images, routes for approval, updates lot status

Lot Traceability Query

Multi-system search, 15-30 minutes

Natural language query, < 2 minutes

RAG system over WMS and supplier docs provides instant, sourced answers

Recall Simulation & Impact Analysis

Spreadsheet modeling, days

Scenario run in hours

AI maps lot relationships and simulates containment across the network

Compliance Documentation for Shipments

Manual checklist and document assembly

AI-generated packing slip & C of A drafts

Agent pulls lot data, expiry, storage conditions; staff reviews and approves

Cycle Count Targeting for High-Risk Lots

Fixed schedule or ad-hoc

Dynamic, risk-prioritized schedule

AI scores lots based on value, velocity, and expiry proximity for count optimization

CONTROLLED DEPLOYMENT FOR REGULATED OPERATIONS

Governance, Compliance, and Phased Rollout

A phased, governed approach to deploying AI for lot and serial tracking ensures compliance, builds trust, and delivers measurable ROI without disrupting core warehouse operations.

Start with a read-only pilot focused on a single, high-value workflow like First-Expired, First-Out (FEFO) putaway recommendations. In this phase, the AI system analyzes your WMS data (e.g., LOT_MASTER, INVENTORY_SERIAL, ITEM_MASTER tables) to generate suggested putaway locations, but all final decisions and transactions remain manual within the WMS interface. This builds a performance baseline and allows operators to validate AI logic against established SOPs without risk to live inventory.

For the production rollout, implement a human-in-the-loop approval gate for critical actions. For example, when the AI system identifies a lot at high risk of expiry and recommends a quality hold or disposition workflow, the system should create a task in the WMS (or a connected Quality Management System) for a supervisor to review the evidence—such as aggregated transaction history, temperature logs, and predicted shelf-life—and approve the action. All recommendations, decisions, and overrides must be logged to an immutable audit trail, linking back to the original WMS lot/serial records for full traceability.

Governance is critical for regulated industries (pharma, food, chemicals). Your AI integration must enforce data segregation and role-based access control (RBAC) native to your WMS (like Manhattan Active's security model or SAP EWM's authorization objects). AI agents should only access lot data for which the calling user or system has permission. Furthermore, implement a prompt management and versioning system to ensure all generative outputs (e.g., disposition instructions, compliance notes) are consistent, auditable, and free from hallucinations that could violate regulatory guidelines.

IMPLEMENTATION AND WORKFLOW DETAILS

Frequently Asked Questions

Practical questions and workflow blueprints for integrating AI into WMS lot and serial tracking, focusing on automating expiry decisions, managing quality holds, and orchestrating disposition workflows.

This workflow uses AI to override or guide standard WMS picking logic by analyzing real-time lot data and business rules.

  1. Trigger: A pick task is generated in the WMS for an SKU with multiple lots in inventory.
  2. Context Pulled: The AI agent queries the WMS via API for all available lots of the SKU at the pick location, retrieving:
    • lot_number, expiry_date, quantity_available
    • manufacture_date, quality_status (e.g., released, on hold)
    • Any customer-specific allocation rules (e.g., "prefer lot X for customer Y")
  3. AI Action: A lightweight model or rule engine scores each lot. The primary rule is FEFO, but it can be dynamically weighted with:
    • Proximity to expiry (prioritizing soonest expiry)
    • Quality hold status (avoiding held lots)
    • Partial pallet consolidation (to clear partials first) The system returns the recommended lot_number and quantity to pick.
  4. System Update: The recommendation is sent back to the WMS via a REST API call, typically to a custom field or through an override on the mobile RF screen. The pick confirmation from the operator validates the AI-selected lot.
  5. Human Review Point: If the AI cannot make a high-confidence recommendation (e.g., all lots are on quality hold), the task is flagged in a supervisor dashboard within the WMS for manual intervention.
Prasad Kumkar

About the author

Prasad Kumkar

CEO & MD, Inference Systems

Prasad Kumkar is the CEO & MD of Inference Systems and writes about AI systems architecture, LLM infrastructure, model serving, evaluation, and production deployment. Over 5+ years, he has worked across computer vision models, L5 autonomous vehicle systems, and LLM research, with a focus on taking complex AI ideas into real-world engineering systems.

His work and writing cover AI systems, large language models, AI agents, multimodal systems, autonomous systems, inference optimization, RAG, evaluation, and production AI engineering.