Start selling internationally
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
- Store connection
- Guided
- Countries
- 30+
- Review before joining
- Agreement
- Store connection
- €0
Perfect for sellers ready to go international
You do not need international trade experience, customs knowledge, or a logistics team. If you already sell online domestically, you have everything you need to start reaching buyers across Europe.
Domestic e-commerce sellers exploring international markets for the first time
If you have been selling successfully in your home market and want to test international demand, Mastersel removes all the friction. Your existing product catalog syncs automatically, listings are translated and localized for each target market, and customs documents generate with every shipping label. There is no learning curve and no upfront investment — you can test whether your products sell abroad without committing a single euro.
Shopify, WooCommerce, PrestaShop, and OpenCart store owners
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
Niche product sellers with unique or hard-to-find items
Products that are difficult to find locally — handmade goods, regional specialties, niche electronics accessories, independent fashion brands — tend to perform exceptionally well on European marketplaces. Buyers actively search for these items, and international exposure puts your products in front of millions of potential customers who cannot source them in their own country. Use performance analytics to see which markets respond strongest to your catalog and scale from there.
What you need to get going
No international experience, no customs expertise, no developer skills required. If you already sell online domestically, you have everything you need to go global.
An existing online store
You need a store on Shopify, WordPress, PrestaShop, OpenCart, or Verskis — or a product catalog in XML format. That is the only technical prerequisite. The Mastersel plugin installs directly from your platform's app store, and the connection authorizes with a single click. No API keys to configure, no webhooks to set up, and no developer assistance required.
Products with complete data
Each product needs a title, description, at least one image, a price, and stock quantity. The more complete your product data, the better your international listings will perform on European marketplaces. High-quality images and detailed descriptions significantly improve conversion rates for cross-border buyers who cannot see the product in person. If you have variants (sizes, colors, materials), those import automatically too.
Ability to ship packages
You will need to pack orders and hand them to a courier — that is the extent of your physical involvement. Mastersel handles label creation via smart carrier routing, selects the optimal carrier for each corridor, and generates customs documentation automatically. You do not need to visit a post office, compare shipping rates, or fill out customs forms. Just print the label, attach it, and the courier picks it up.
Store connection
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
What happens after you connect
- Install plugin, authorize, catalog syncs. Products import with images and variants.
- Day 1
- Products appear on localized marketplaces — translated, priced in local currencies.
- Day 2
- First international orders typically arrive. Fulfill them like domestic orders.
- Days 3–7
- Use analytics to see which markets and products are performing, then optimize.
- Week 2+
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
— The Mastersel advantage
Your complete onboarding guide
Three steps from domestic seller to international merchant. No technical skills, no compliance homework, no risk.
Install and connect
Go to your platform's app store, search for Mastersel, and install the plugin. Authorize the connection with one click. Your product catalog — titles, descriptions, images, variants, stock levels — imports automatically.
Products go live globally
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
Receive and fulfill orders
International orders arrive in your unified dashboard. Click to generate a shipping label (carrier and customs docs handled), print it, pack the item, and hand it to the courier. Done.
Getting started FAQ
What do I need before connecting my store?
An online store on Shopify, WordPress (WooCommerce), PrestaShop, OpenCart, or Verskis with at least a few products listed. Products should have titles, descriptions, images, prices, and stock quantities. No international experience needed.
What does my first week look like after connecting?
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
Which product categories sell best internationally?
Fashion, home goods, beauty, electronics accessories, and niche specialty products perform well on European marketplaces. Products that are hard to find locally or priced competitively tend to get traction fastest.
Do I need to handle customs or taxes myself?
No. Mastersel generates customs documents (HS codes, commercial invoices, packing lists) automatically with each shipping label. Duty calculations and compliance are handled for all 30+ destination countries.
What if I'm not sure international selling is right for me?
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
How long does it take to get my first international sale after connecting my store?
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
Can I start selling internationally with a small product catalog of under 50 items?
Yes. There is no minimum number of products required to start selling internationally on Mastersel. Sellers with as few as 5-10 well-optimized listings have generated international sales successfully. What matters most is that each product has a complete title, description, quality images, accurate pricing, and stock quantity. A focused catalog of niche products can actually outperform a large generic catalog because buyers on European marketplaces are often searching for specific items they cannot find locally. As your international sales grow, you can scale your catalog and operations without changing your workflow.
How to start selling internationally with zero upfront investment
The traditional path to international e-commerce is expensive and complex. Sellers typically need to research target markets, register as sellers on each marketplace individually, set up local payment processing, negotiate shipping contracts with international carriers, hire translation services, and navigate cross-border tax compliance. Each step costs money and time, and there is no guarantee of results — you may invest thousands of euros before your first international order arrives.
Mastersel was built to eliminate every one of these barriers. When you install the plugin on your existing Shopify, WooCommerce, PrestaShop, or OpenCart store, your entire catalog syncs automatically. Products are distributed across localized sales channels in 30+ European countries without any manual configuration. Translations and localization happen automatically, prices convert to local currencies, and customs documentation generates with every shipping label. The total cost of starting: zero euros.
What makes the first week critical for international sellers
The first seven days after connecting your store determine your trajectory. Products go live on international marketplaces within hours, and the first orders typically arrive within a week. This rapid feedback loop lets you validate international demand for your products without waiting months. If certain products get traction in Germany but not Spain, you learn that immediately through your analytics dashboard — and can adjust your catalog, pricing, or focus markets accordingly. This data-driven approach to market entry is fundamentally different from traditional "do research, then launch" strategies.
Risk-free market validation for domestic sellers
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.
Zero risk, zero cost — just connect and try
Create your account, review the partnership agreement and connect your store. Setup and publication times depend on your platform, product information and marketplace review.