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Order Management

Multichannel with Walmart and Amazon

Automate order fulfillment using Amazon and Walmart multichannel programs

Smart Rates

Let automation choose the best shipping rates

Discounted Shipping Labels

Save up to 83% on UPS, USPS, FedEx, DHL, and more

Batch Shipping

Group multiple orders and process them together instead of one by one

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Inventory Management

Real-Time Inventory Synchronization

Automated updates as inventory changes across channels

Bundles and Kits

Group multiple products into a single purchase

Packing Slips & Invoice Customization

Create custom packing slips and invoices that match your branding and marketplace requirements.

Qty Rules

Rule-based quantity adjustments before publishing

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Other Features

Rithum Integrations

Connect GeekSeller with Rithum to automate orders for retailers like Lowe’s, The Home Depot, Macy’s, and many more.

Profit & Loss

Track your revenue, costs, fees, and profit across all your sales channels in one place.

Analytics

Key stats, reports, and forecasts at a glance

ERP & Accounting

Connect your ERP and accounting tools with custom integrations

Founded in 2015, trusted by 1000s of sellers. See testimonials & 100+ of our 5-star reviews

Still Managing Orders & Inventory Manually?

Use GeekSeller to manage orders and inventory in one place, or let it connect your existing systems and sync data automatically, without using our interface for daily operations.

Book a demo

Integrations

  • Connect via SFTP, FTP, or API
  • Manage dropshipping through Rithum
  • Connect marketplaces to Shopify or ShipStation
  • Tell us what you use. We’ll build a custom integration to connect it.

Orders

  • Send orders to any fulfillment provider
  • Print hundreds of labels at once
  • Get discounted shipping rates
  • Automatically choose the lowest rate
  • Get extra protection with Amazon, Walmart, and TikTok shipping labels

Inventory

  • Get low stock alerts
  • Manage bundles and kits
  • Create purchase orders
  • Real-time inventory sync across channels
  • Track inventory changes
  • Connect your WMS

Approved Solution Provider Since 2015

Approved Solution Provider Since 2020

Approved Solution Provider Since 2026

Approved Solution Provider Since 2016

Multichannel Fulfillment Solutions by

TikTok FBT, Walmart WFS, Amazon FBA

Automatically route orders, sync inventory, and update tracking across all channels.

Your warehouse or 3PL
GeekSeller

OrderStream and DSCO integration

  • Sync Rithum orders with GeekSeller, Shopify, ShipStation, and other systems
  • Send shipment tracking back to Rithum
  • Keep inventory updated in Rithum
  • Automatically create invoices
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Our Long-Term Partnership with Walmart

Years of close collaboration, direct support, and early access to new features.

We’ve worked closely with Walmart for many years, building strong relationships with their teams. This helps us solve problems faster, stay ahead of changes, and support our customers better.

  • Priority access to Walmart support teams to resolve issues faster.
  • Early access to new APIs and features, sometimes before their official release.
  • Direct updates from Walmart about upcoming changes and new opportunities.
  • Years of experience helping sellers with Marketplace, DSV, WFS, and MCS.
  • Proud sponsor of the Walmart Seller Summit for several years.

Your Walmart Premium Solution Provider

GeekSeller is a Walmart-approved app and Premium Solution Provider, with integrations across all major Walmart API endpoints.

  • Walmart Fulfillment Services (WFS)
  • Multichannel Solutions (MCS)
  • Batch label printing with Ship with Walmart (SWW)
  • Listing creation and updates
  • Automated repricing
  • Assortment growth tools
  • Inventory quantity sync
  • Order management

Your Amazon Solution Provider

As an approved solution provider, we work closely with the Amazon team to help sellers manage listings, inventory, orders, and shipping.

• Listing creation and updates
• Inventory and order sync
• Amazon MCF integration
• Amazon shipping label printing for Fulfilled by Merchant (FBM) and Seller Fulfilled Prime orders

Simplify your daily operations

Manage orders, inventory, shipping, and fulfillment in GeekSeller, or automatically route orders to other systems.

Ready to start?

Create your GeekSeller account or book a demo and meet our team.

Book a demo

See 100+ of our 5-star reviews on Google Maps and Capterra.

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