What are autonomous mobile robots in warehouses?

Autonomous mobile robots (AMRs) are self-navigating robots that transport goods within warehouses without fixed infrastructure. Unlike AGVs that follow tracks, AMRs use sensors and AI to navigate dynamically. They assist with picking, putaway, and inventory transport, reducing labor by 30-50%.

How do AMRs integrate with WMS systems?

AMRs integrate with WMS through REST APIs that exchange task assignments, location data, and completion status. The WMS sends pick or transport tasks to the AMR fleet manager, which dispatches robots. Integration typically requires custom middleware development costing $10,000-$20,000.

How much do warehouse AMRs cost?

Warehouse AMRs cost $25,000-$100,000 per unit depending on payload capacity and features. A typical starter fleet of 3-5 robots costs $100,000-$300,000 including integration. ROI is achieved in 7-12 months through labor savings of 30-50% in goods-to-person operations.

Do I need to modify my warehouse for AMRs?

Most warehouses need minimal modifications. AMRs require smooth floors, 1.5-2.5 meter aisles, and reliable WiFi coverage. No tracks, wires, or magnetic strips are needed. Floor repairs and WiFi upgrades typically cost $7,000-$25,000 if needed.

How many AMRs does my warehouse need?

The typical ratio is 1 AMR per 3-5 pickers. A 20-picker warehouse starts with 3-5 robots in a pilot and scales to 5-8 based on results. Start small, validate the ROI, then add incrementally. Most AMR vendors support incremental fleet expansion.

Integrate AMRs Into Your WMS | Ekyon

Autonomous mobile robots aren't replacing warehouse workers. They're replacing the worst part of warehouse work: walking.

An AMR handles goods-to-person transport, freeing pickers to stay in their zone and pick continuously. The result: 30–50% reduction in labor costs for goods-to-person operations, with pickers doubling or tripling their picks per hour.

The technology is mature. The cost is accessible. The bottleneck is integration — getting your WMS to talk to the robot fleet. Here's how to do it right.

What Are Autonomous Mobile Robots (AMRs) in Warehousing?

AMRs are self-navigating robots that transport goods within a warehouse without fixed infrastructure like tracks or magnetic strips. They use LIDAR, cameras, and AI to navigate dynamically around people, obstacles, and changing layouts.

Types of Warehouse AMRs

Type	Function	Payload	Price Range
Goods-to-person	Brings shelving units to pick stations	300–1,500 kg	$25,000–$60,000
Transport/tugger	Tows carts between zones	500–3,000 kg	$30,000–$80,000
Sortation	Transports items to sort destinations	10–50 kg	$15,000–$35,000
Collaborative picking	Follows picker, carries picked items	50–300 kg	$20,000–$50,000
Inventory scanning	Scans locations while navigating aisles	Camera payload	$30,000–$60,000

Use Cases

Order picking: AMR carries tote to pick zones, picker adds items, AMR moves to next zone
Putaway: AMR transports received goods to storage locations
Replenishment: AMR moves stock from bulk storage to pick faces
Inventory counting: AMR with cameras scans locations during off-hours
Cross-docking: AMR transports goods from receiving to shipping dock

Market Growth

The warehouse AMR market has grown 35–40% annually since 2022. Costs have dropped 25% in 3 years as manufacturing scales. What was a $100K experiment in 2020 is a $25K–$60K operational tool in 2026.

AMR vs AGV: Understanding the Difference

Factor	AMR	AGV (Automated Guided Vehicle)
Navigation	Dynamic — LIDAR + AI, no infrastructure	Fixed — follows tracks, wires, or magnetic strips
Flexibility	Reroutes around obstacles in real-time	Stops when path is blocked
Infrastructure	None required	Tracks, wires, or floor markers ($50K–$200K)
Setup time	Days (map the warehouse, deploy)	Weeks to months (install infrastructure)
Layout changes	Adapts automatically	Requires infrastructure reconfiguration
Cost per unit	$25,000–$80,000	$30,000–$100,000 + infrastructure
Best for	Dynamic environments, frequent layout changes	Fixed, high-volume routes

For most warehouses in 2026, AMRs are the better choice. They cost the same or less per unit, require zero infrastructure, and adapt to changing layouts instantly.

AGVs still make sense for fixed, high-volume routes (e.g., assembly lines) where the path never changes.

How AMRs Integrate with Your WMS

AMRs don't operate independently. They need a WMS to tell them what to do and a fleet manager to coordinate them. The integration architecture:

WMS → Fleet Manager API → AMR Fleet
         ↕
   Location mapping
   Task assignment
   Status tracking

API Connectivity

The WMS communicates with the AMR fleet manager through REST APIs:

WMS sends:

Pick tasks (what items, which locations, priority)
Putaway assignments (which products, destination locations)
Transport requests (move item from A to B)

Fleet manager returns:

Task acceptance/rejection
Robot status (available, in-transit, charging)
Estimated completion time
Task completion confirmation

Most AMR vendors provide well-documented APIs. The integration work is connecting your WMS logic to the fleet manager's API — typically 2–4 weeks of development.

Task Assignment

The WMS decides what needs to happen. The fleet manager decides which robot does it.

WMS responsibility:

Generate pick lists based on orders
Prioritize tasks by SLA and ship time
Group tasks by zone for efficiency

Fleet manager responsibility:

Assign optimal robot (closest, most battery, right capacity)
Calculate navigation path
Manage charging schedules
Handle traffic management (prevent robot collisions)

Real-Time Tracking

The integration provides live visibility:

Robot locations on a warehouse map in your WMS dashboard
Task progress — which picks are in transit, which are complete
Throughput metrics — picks per hour, robot utilization, idle time
Exception alerts — stuck robot, failed pickup, blocked path

Exception Handling

Things go wrong. The integration must handle:

Robot can't reach location (blocked aisle) → reroute or alert human
Wrong item picked (if robot has verification) → return to location, flag discrepancy
Robot battery critical → hand off task to another robot, route to charger
WMS task canceled → recall robot, release for next task

Step-by-Step AMR Integration Guide

Step 1: Assess Warehouse Layout (Week 1)

Before buying robots, evaluate your warehouse:

Floor quality: AMRs need smooth, flat floors. Cracks, transitions, and steep ramps cause navigation issues.
Aisle width: Most AMRs need 1.5–2.5 meter aisles. Measure your narrowest points.
Ceiling height: LIDAR sensors need clear sightlines. Low-hanging fixtures or signage may interfere.
WiFi coverage: AMRs need continuous WiFi. Dead zones = lost robots. Conduct a site survey.
Traffic patterns: Map high-traffic zones where robots and humans will share space.

Step 2: Select AMR Vendor (Week 2–3)

Evaluate vendors on:

Criteria	What to Look For
API quality	Well-documented REST API, webhook support
WMS integration experience	Have they integrated with your WMS type before?
Fleet manager capabilities	Multi-robot coordination, traffic management, charging scheduling
Support and SLA	Response time guarantees, on-site support options
Scalability	Can you add robots incrementally?
Total cost	Robot + software + implementation + support

Step 3: Build Integration Layer (Week 3–5)

The custom middleware connecting your WMS to the fleet manager:

Component	Development Time	Cost
WMS API adapter	1–2 weeks	$3,000–$6,000
Fleet manager API adapter	1–2 weeks	$3,000–$6,000
Task translation logic	1 week	$2,000–$4,000
Dashboard and monitoring	1 week	$2,000–$4,000
Total	3–5 weeks	$10,000–$20,000

If your WMS is custom-built, integration is faster and cleaner — the API adapter connects directly to your data model. If your WMS is SaaS, you're constrained by whatever API the vendor exposes.

Step 4: Pilot Program (Week 5–8)

Start small. 2–3 robots in one zone.

Pilot goals:

Validate integration works end-to-end
Measure picks per hour improvement
Identify workflow adjustments (picker positioning, station setup)
Test exception handling (what happens when things go wrong)
Train staff on working alongside robots

Pilot metrics to track:

Picks per hour (before vs. after)
Robot utilization rate (target: 70–85%)
Task completion rate (target: 98%+)
Human-robot interaction issues
Integration error rate

Step 5: Scale (Week 8+)

Once the pilot validates, scale based on ROI:

Add robots incrementally — 2–3 at a time, expanding to new zones
Optimize fleet size — the sweet spot is usually 1 robot per 3–5 pickers
Expand use cases — start with picking, add putaway and replenishment
Integrate with other AI — AMR data feeds computer vision QC and AI inventory counting

Want to integrate AMRs into your warehouse?

We build the integration layer between your WMS and any AMR fleet. $10K–$20K, live in 3–5 weeks.

AMR Integration Cost and ROI

Hardware Cost

Item	Cost
AMR units (starter fleet: 3–5 robots)	$75,000–$300,000
Charging stations (1 per 3–4 robots)	$2,000–$5,000 each
WiFi upgrades (if needed)	$5,000–$15,000
Floor repairs (if needed)	$2,000–$10,000
Hardware total	$84,000–$330,000

Software and Integration Cost

Item	Cost
Fleet manager license	$500–$2,000/month
Custom WMS integration	$10,000–$20,000
Dashboard and monitoring	$2,000–$5,000
Software total	$12,000–$25,000 + ongoing

ROI Calculation

For a warehouse with 20 pickers at $18/hour adding 5 AMRs:

Metric	Before AMRs	After AMRs
Picks per hour (per picker)	70	140
Pickers needed for same throughput	20	10
Annual labor cost	$748,800	$374,400
Annual software cost	$0	$18,000
Annual savings		$356,400

Total investment: ~$200,000 (hardware + software + integration) Annual savings: ~$356,400 Payback period: 7 months

Alternatively: keep 20 pickers and double your throughput capacity. Same staff, twice the orders.

Frequently Asked Questions

Robots handle the walking. Your pickers handle the picking.

We build the WMS integration layer for any AMR fleet. 20-minute call to plan your pilot.

Hemal Rana

Co-Founder, Ekyon

Co-Founder of Ekyon. Builds custom software and AI agents for businesses across the US and Canada. 150+ products shipped across 15 countries.

AMRs Cut Labor Costs 30–50%. The Bottleneck Is WMS Integration.