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Amazon Seller & Vendor Software

One platform for AmazonSellers and Vendors.

Epinium unifies catalog management, advertising, operations, and analytics for Amazon Sellers and Vendors — so you can scale without adding headcount.

Free to start · No credit card · Works for 1P and 3P accounts

What our clients say

Epinium on G2
Epinium on Capterra
Amazon App Store
Epinium on Trustpilot
Amazon Verified Partner
Trusted by 500+ Sellers and Vendors worldwide
KiliagonPepsiKoroshiNutribenJordi OrdóñezGerminalRoicosFotoprixnut&meHumydryBigBuyEduca BorrasFlowerKook Time
500+
brands on platform
1P+3P
Vendor & Seller support
17+
Amazon marketplaces
30 min
to onboard
Built for both models

Full commerce control forSellers and Vendors.

Whether you sell direct (3P) or through wholesale (1P), Epinium gives you the same powerful toolset adapted to your business model.

Catalog Sync

Keep listings accurate and complete across all ASIN variations, marketplaces, and languages — automatically.

Ads Automation

AI-managed Sponsored Products, Brands, and Display campaigns with autonomous bid optimisation.

Unified Analytics

Sales, advertising, inventory, and ranking data in one dashboard — Seller Central and Vendor Central.

Keyword Intelligence

AI keyword clustering and SEO optimisation to rank higher and convert better on Amazon search.

Stock Forecast

Prevent stockouts and overstock with AI demand forecasting across your full product catalogue.

Agency Ready

Multi-client support, white-label reporting, and granular permissions for agencies managing multiple brands.

Core features

Everything in one place togrow your Amazon business.

No more tab-switching between Seller Central, Vendor Central, and disconnected tools.

Optimise

Listing optimisation at scale

  • Bulk editingEdit titles, bullets, and descriptions across thousands of ASINs in seconds with AI-generated copy.
  • Keyword integrationAI clusters your best keywords and integrates them into listings automatically — no manual research.
  • Multilingual listingsOptimise listings across all marketplace languages from a single workflow.
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Automate

Autonomous advertising that never stops

  • Retail Media AgentThe AI Agent runs your Sponsored Products, Brands, and Display campaigns 24/7 with ACOS-target bidding.
  • Keyword harvestingWinning search terms move automatically from auto to manual campaigns with optimal match types.
  • Wasted spend eliminationNegative keywords added continuously to stop irrelevant traffic from burning your budget.
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Analyse

Full-stack analytics in one view

  • Seller + Vendor dataConnect both Seller Central and Vendor Central data to see your full Amazon business in one place.
  • Profitability by ASINRevenue, advertising cost, and margin data at product level — so you know exactly what to scale.
  • Inventory health alertsGet notified before stockouts or overstock situations impact your ranking or cash flow.
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Free Amazon's new 75-character title rule

Free playbook: rewrite your Amazon titles before July 2026

Amazon caps titles at 75 characters and adds a 125-char Item Highlights field, enforced worldwide from July 2026. Get the step-by-step playbook to rewrite your catalog without losing keywords, ranking or compliance.

Get it →

★★★★★

With a vast catalog and little time, we trusted Epinium to optimize our listings. This led to increased organic sales and improved advertising performance through AI, allowing us to focus on growing our business.

Alberto Feria

Alberto Feria

CEO, Alfa Holding

★★★★★

With Epinium, we are able to save a lot of time editing our clients' listings thanks to its bulk editor and Artificial Intelligence. We are able to take care of their strategies.

Miriam Larrosa

Miriam Larrosa

CEO, Roicos

★★★★★

Our expectations were certainly exceeded. Everything is just so well thought out, and snappy. Their support team is excellent too!

Neus Dominguez

Neus Dominguez

Marketplace Manager, Labbox

★★★★★

We use Epinium every day to monitor the status of all our ASINs across all marketplaces and improve our SEO very productively. An indispensable tool that lets us manage a much larger catalog than we imagined. Worth every penny.

Oriol Penya

Oriol Penya

Organic Beauty Brands

★★★★★

It is impossible to calculate the hours Epinium has saved me managing customer catalogs. I've modified catalogs of up to 3,500 SKUs and run SEO audits comfortably from the same panel.

Jordi Ordóñez

Jordi Ordóñez

Amazon Consultant

★★★★★

Epinium's ability to analyze and adjust ads in real-time based on performance has enabled us to maximize ROI and achieve our business goals more effectively. Without a doubt, I recommend Epinium to any seller.

Edgar Alvarez

Edgar Alvarez

Head eCommerce, BANDAI Entertainment Europe

Start scaling your Amazon business today.

The right AI tools for every Full Commerce challenge

Frequently asked questions

Does Epinium work for both Sellers and Vendors?

Yes. Epinium connects to both Seller Central (3P) and Vendor Central (1P) via official Amazon SP-API and Advertising API.

How many marketplaces can I manage?

All Amazon marketplaces worldwide — EU, NA, APAC, and emerging markets — from a single Epinium account.

Do I need separate tools for advertising and catalog?

No. Epinium is a unified platform: catalog, advertising, analytics, and operations are all connected and share the same data.

How long does onboarding take?

Most brands are connected and running in under 30 minutes. Epinium's setup wizard guides you through the API connections.

Can agencies use Epinium for multiple clients?

Yes. Epinium has dedicated agency features including multi-client dashboards, client-level permissions, and white-label reports.