
Reliable Delivery: >97% on-time rate, 7 days a week.
1-Day Shipping: Deliveries as fast as 1 day after shipping.
Lower Costs: Low, predictable fees for fulfillment and storage.
Instant Tracking: Real-time updates with tracking info within 24 hours.
Ditch the complexity. Connect OTTO to Amazon in clicks. Manage any order volume from one central dashboard—flawless fulfillment, total control.
Protect Your Ratings. Auto-sync tracking and stock levels to meet OTTO strict fulfillment deadlines without lifting a finger.
Scale Effortlessly. Connect any number of OTTO listings to Amazon FBA SKUs. No spreadsheets, no manual errors, no limits.
Prevent Overselling. Set a safety stock net to avoid "Out-of-Stock" penalties and platform bans during viral sales spikes.
Delight Customers. Set Amazon’s lightning-fast shipping tiers on OTTO to boost experience and buyer trust.
Boost AOV. Sell multi-item kits on OTTO with automated inventory deduction from individual Amazon units.
Automate your entire fulfillment workflow and spend your time on content and strategy, not logistics.
4 Simple Steps to Automation
Link your OTTO and Amazon accounts via 4Seller safe OAuth in seconds.
Map your OTTO listings to Amazon SKUs with a few clicks.
Define your fulfillment preferences and switch to Autopilot.
Enable real-time inventory sync and let 4Seller handle the rest.
Integrated with major European and American e-commerce platforms, 4Seller allows direct order processing and shipping via Amazon MCF
If you don't find your question here, it is recommended to check the Help documentation for more information.
