Marketplaces

Sell on every marketplace.
Master each one.

Guides, requirements, checklists, and AI-powered tools — tailored for every marketplace you sell on. 24.online covers your product listings across 100+ platforms worldwide, so you never miss a rule or an opportunity.

100+ Marketplaces supported
6 Global regions covered
24/7 AI listing optimization
Input
Your Product Listing
Raw data, images, description
24.online AI
Processing
24.online AI Engine
  • Listing Optimization
  • Keyword Ranking
  • Rule Compliance
Amazon
Walmart
Etsy
Output
Published & Ranked
Across all your platforms
GLOBAL COVERAGE

Why marketplaces matter for sellers

Marketplaces are no longer a side channel — they are where most of online retail now happens. 24.online supports sellers across all key regions worldwide.

~67%

Share of global online retail GMV transacted through marketplaces.

Industry data — figure pending verification by 24.online research

100+

Active marketplaces 24.online supports across 7 regions worldwide.

24.online platform coverage

Billions

Monthly visits to the top 10 global marketplaces combined.

Industry data — figure pending verification by 24.online research

Double-digit

Year-over-year growth in cross-border marketplace sales.

Industry data — figure pending verification by 24.online research

15 marketplaces · United States and global reach

A

Amazon

US & Global

e

eBay

US & Global

W

Walmart

US

E

Etsy

Global

W

Wish

Global

R

Rakuten

Global

O

Overstock

US

N

Newegg

US

B

Bonanza

US

P

Poshmark

US

M

Mercari

US

R

Reverb

US

C

Chairish

US

R

Ruby Lane

US

G

GOAT

Global

26 marketplaces · EU & UK

A

Amazon EU

EU & UK

e

eBay EU

EU & UK

Z

Zalando

EU

O

Otto

Germany

A

Allegro

Poland

C

Cdiscount

France

F

Fnac

France

B

Bol.com

Netherlands

K

Kaufland

Germany

R

Real.de

Germany

V

Vinted

EU

W

Wallapop

Spain

9 marketplaces · GCC and broader MENA

N

Noon

UAE & KSA

A

Amazon AE

UAE

S

Souq

MENA

N

Namshi

UAE

S

Sivvi

GCC

W

Wadi

KSA

J

Jumia

MENA

6

6thStreet

GCC

C

Carrefour

UAE

18 marketplaces · LATAM

M

MercadoLibre

LATAM

A

Amazon MX

Mexico

A

Amazon BR

Brazil

L

Linio

LATAM

F

Falabella

Chile

R

Ripley

Chile

P

Paris

Chile

L

Liverpool

Mexico

A

Americanas

Brazil

S

Submarino

Brazil

S

Shopee BR

Brazil

O

OLX

LATAM

33 marketplaces · APAC

A

Alibaba

China

T

Taobao

China

T

Tmall

China

J

JD.com

China

P

Pinduoduo

China

S

Shopee

SEA

L

Lazada

SEA

T

Tokopedia

Indonesia

B

Bukalapak

Indonesia

F

Flipkart

India

A

Amazon IN

India

S

Snapdeal

India

4 marketplaces · key African markets

J

Jumia

Africa

T

Takealot

South Africa

K

Konga

Nigeria

K

Kilimall

Kenya

9 marketplaces · CIS region

W

Wildberries

Russia & CIS

O

Ozon

Russia

Я

Яндекс Маркет

Russia

A

AliExpress RU

Russia

С

СберМегаМаркет

Russia

L

Lamoda

Russia

K

Kaspi

Kazakhstan

R

Rozetka

Ukraine

P

Prom.ua

Ukraine

Core capabilities

Three tools that cover every marketplace

24.online gives sellers three focused products — each one built to handle a specific part of the listing lifecycle across Amazon, Walmart, Wildberries, and every other supported platform.

AI Product Listings

Score, audit and rewrite product cards on any marketplace — titles, bullets, descriptions and backend fields in one pass.

AI Product Photos

Turn smartphone shots into studio, lifestyle and scene visuals sized to every marketplace's image spec.

Marketplace SEO

Keyword research, snippet optimization and rank tracking inside the marketplace search — no external tools needed.

Marketplace Cheat Sheet

How 24.online helps you sell on every marketplace

Three core capabilities do the heavy lifting on every marketplace card you publish. Below is a quick-reference comparison — for full specs, open each platform's seller guide.

Values below are sourced from official seller documentation as of Q1 2025. Requirements change — always verify against the platform's current guide before publishing.

Platform Requirements Comparison

ParameterAmazonWalmarteBayEtsyMercado LibreNoonWildberriesOzon
Title lengthUp to 200 charsUp to 200 charsUp to 80 charsUp to 140 charsUp to 60 charsUp to 150 charsUp to 100 charsUp to 200 chars
Bullets count5 bulletsUp to 6 bulletsNo formal bulletsNo formal bulletsNo formal bulletsUp to 20 bulletsNo formal bulletsUp to 15 bullets
Bullet max lengthUp to 255 charsUp to 150 charsNo formal maxNo formal maxNo formal maxUp to 500 charsNo formal maxUp to 250 chars
Description typeHTML-free rich textHTML-supportedHTML-supportedPlain textHTML-supportedHTML-supportedPlain textHTML-supported
Main image min size1000x1000 px2000x2000 px500x500 px2000x2000 px500x500 px1000x1000 px900x1200 px900x900 px
Additional imagesUp to 8 imagesUp to 9 imagesUp to 24 imagesUp to 10 imagesUp to 12 imagesUp to 8 imagesUp to 30 imagesUp to 15 images
Video supportYes (Brand Registered)YesYesYesYesYesYesYes
Backend keywordsUp to 250 bytesN/AN/A13 tagsN/AN/AN/AN/A
A+ / Enhanced ContentYes (Brand Registered)NoNoNoNoNoNoNo
Strategy

Single vs. Multi-Marketplace

Before scaling to new channels, understand where each approach fits — and where it hits a ceiling. Pick the path that matches your current stage, then go deeper.

Selling on a Single Marketplace

When this works
  • You sell in one language and one country — logistics stay simple
  • You rely on FBA or similar fulfilment infrastructure the platform provides
  • Your category is narrow and the platform already owns the buyer intent
  • You want to master ranking, PPC, and content on one channel before expanding
Where you hit the ceiling
  • Revenue depends on a single platform — one policy change can cut sales overnight
  • Expanding to new geographies means starting from scratch on a different marketplace
  • Account suspension risk is concentrated: one flag and all revenue stops
  • Cross-listing manually later is time-intensive and error-prone

Selling on Multiple Marketplaces

When this works
  • You already have a stable listing and positive unit economics on your home platform
  • Your product appeals to buyers in multiple countries or languages
  • You want to diversify revenue so no single channel controls your business
  • You have (or plan to build) a team or tooling to manage cross-platform content and orders
Where you hit the ceiling
  • Each marketplace has unique listing specs, keyword logic, and content rules
  • Inventory sync and multi-warehouse fulfilment add operational complexity
  • Localisation goes beyond translation — pricing, imagery, and compliance differ by market
  • Without automation, maintaining quality across 3+ channels drains the team
Marketplace Guides

Single-marketplace vs multi-marketplace selling

One channel or many? The right answer depends on the stage of your business — and on what you're willing to trade off.

Selling on a single marketplace

When this works for you

  • You're testing demand for a new product and need fast feedback in one search ecosystem.
  • Your operations sit inside one fulfillment network — for example, Amazon FBA — and the unit economics are tight.
  • You serve a single language and country, with a category that's well-covered by one dominant platform.
  • Your team is small and a second channel would dilute attention more than it would add revenue.

Where it caps out

  • Your growth tracks one platform's traffic, fees, and policy changes — there's no diversification.
  • A single account suspension or category change can pause the business overnight.
  • Cross-border expansion stalls, because you're tied to one marketplace's geography.
  • You compete head-to-head with every other seller on the same listing rules — the only lever left is price.

Selling on multiple marketplaces

When this works for you

  • You have a product line that travels well across countries and need more demand than one platform can supply.
  • You want to hedge against platform risk — fees, account holds, algorithm shifts on any single channel.
  • You're entering new regions and each one has a different dominant marketplace (Amazon in the US, Mercado Libre in LATAM, Noon in the GCC).
  • You already have the catalog, photo, and copy assets — the marginal cost of one more channel is mostly listing work.

Where it caps out

  • Each marketplace has its own listing rules, image specs, and category trees — manual work multiplies fast.
  • Inventory, pricing, and promo windows have to stay in sync across channels or refunds and stockouts pile up.
  • Localization isn't just translation — claims, units, and compliance shift by country and have to be checked card by card.
  • Reporting fragments across portals; without a single source of truth, decisions get slower, not faster.
Integrations

Marketplace knowledge base

Six guides sellers reach for first when they're getting a card live on a new platform — or fixing one that isn't converting.

Amazon

Amazon Listing Optimization

A complete walkthrough of the title, bullets, and description an Amazon listing needs to rank, convert, and clear compliance.

Amazon

Amazon Image Requirements

Pixel sizes, white-background rules, and the specs that decide whether your main image goes live or gets rejected.

Amazon

Amazon SEO Keyword Research

How to find the search terms Amazon shoppers actually use — and where to place them across title, bullets, and backend.

Amazon

Amazon A+ Content Guide

What to build into A+ modules to lift conversion, reduce returns, and answer the questions reviews keep raising.

Amazon

Amazon Product Launch Playbook

Day-by-day actions for the first 30, 60, and 90 days of a launch — review velocity, ranking, and ad ramp.

Walmart

Walmart Listing Optimization

How Walmart's Listing Quality Score works, what it scores, and the order to fix issues for the fastest lift.

Marketplace Integrations

24.online connects directly to the marketplaces you sell on — read listings, push updates, and sync the catalog without manual exports.

Read, write, and sync product cards across every supported marketplace.

Amazon

Optimize listings, manage A+ content, and track Buy Box performance across all Amazon regions.

Walmart

Sync product data, update pricing, and improve search rank on Walmart Marketplace.

eBay

Rewrite titles and item specifics to match eBay Cassini algorithm requirements.

Etsy

Generate SEO-rich descriptions and tags that boost discoverability in Etsy search.

Noon

Push localized Arabic and English content to Noon catalog with one click.

bol.com

Optimize Dutch-language listings and attributes for bol.com's ranking algorithm.

Zalando

Craft fashion-focused copy and size guides that meet Zalando's strict content standards.

Allegro

Write Polish product descriptions and category attributes to rank higher on Allegro.

Otto

Generate structured German-language content aligned with Otto's listing requirements.

Mercado Libre

Localize listings in Spanish and Portuguese and optimize for LATAM buyer intent.

Coupang

Auto-translate and adapt product cards to meet Coupang's Korean content guidelines.

Shopee

Boost visibility with keyword-optimized titles and hashtags for Shopee search.

Lazada

Publish enriched product data across Lazada's Southeast Asia storefronts.

TikTok Shop

Create scroll-stopping product copy tuned for TikTok's social commerce audience.

Wildberries

Fill Russian-language attributes and SEO fields to climb Wildberries category rankings.

Ozon

Sync rich content and rich-text descriptions directly into Ozon's seller cabinet.

FAQ

FAQ about selling on marketplaces

Straight answers to the questions sellers ask before — and right after — going live on a new marketplace.

Start with the marketplace where your category has the most active demand and the lowest barrier to a quality listing. For most US sellers, that's Amazon; for the GCC, it's Noon; for the CIS, it's Wildberries or Ozon. Match the platform to your product, your fulfillment setup, and the country your customers are already shopping in. Open the relevant marketplace guide to see the full launch checklist.

A marketplace gives you traffic and trust on day one, but it sets the rules — listing format, fees, returns, and customer relationship. Your own store gives you full control over branding, data, and margins, but you have to build the audience yourself. Most sellers run both: a marketplace presence for reach, and a direct store for retention and brand. See the Marketplaces vs your own store comparison for the trade-offs side by side.

Amazon enforces strict rules on title length, bullet count, main image (white background, product fills 85% of the frame), additional images, and category-specific attributes. A+ Content is available to brand-registered sellers and lifts conversion when used well. The exact specs change by category and country — see the Amazon Image Requirements and Amazon Listing Optimization guides for current limits.

Marketplace search rewards three things: relevance (the right keywords in the right fields), conversion (clicks that turn into purchases), and quality signals (reviews, return rate, listing completeness). Start with keyword research inside the platform, optimize the title and bullets for both shoppers and the algorithm, and keep the listing complete. Marketplace SEO inside 24.online handles keyword research, snippet optimization, and rank tracking in one place.

Marketplace fees vary — most platforms charge a referral fee per sale (commonly 8–17% of the sale price), and some add monthly or fulfillment fees. Beyond fees, the real cost is the listing work: photos, copy, translation, and compliance for each platform's rules. 24.online cuts that side of the cost by generating listing assets in minutes instead of weeks. The marketplace's own seller central is the source of truth for current fees.

Build a single source of truth for the catalog, then adapt each card to the rules of the destination marketplace — title length, image specs, attribute fields, and language. Use bulk tools to translate, resize, and reformat at scale instead of editing card by card. The multi-marketplace solution shows the workflow end to end, including inventory, pricing, and reporting across channels.

Localization is more than translation — you adapt currency, units, claims, sizes, and category attributes to local norms, and you check that brand and compliance language is allowed in the destination market. AI Localization inside 24.online handles translation memory, brand glossary, and dialect-level adaptation, so a listing reads native rather than translated. The Amazon Localization Guide covers the country-specific quirks that catch sellers out.

24.online covers the full life cycle of a marketplace product card — score and audit, rewrite copy, generate photos and infographics, plan video, run keyword research, track rank, localize, and respond to reviews — across 100+ marketplaces in one place. Instead of stitching together a stack of seller tools, you get a single AI platform that knows the rules of each marketplace. Try it free or talk to sales for a tailored walkthrough.

Sell on every marketplace, with one AI platform

From Amazon to Wildberries, 24.online handles the full product card on every marketplace we support — listings, photos, infographics, video, SEO, localization, reviews, and more.

Listings Photos Infographics Video SEO Localization Reviews

Free access available — no credit card required.