Browse and connect add-ons
Connect your store to carriers, marketplaces, payment providers, accounting systems, and analytics tools from the Add-ons page.
Add-ons connect your store to services outside YNS – the courier who collects your parcels, the marketplace you also sell on, the accounting system your bookkeeper insists on. Open Add-ons from Settings to browse what's available.
How the page works
Add-ons are grouped by category, and there's a search box if you know what you're after. Add-ons your store already uses come first, marked Connected. To see only those, or only the ones you haven't set up yet, pick Connected or Not connected in the status filter next to the search box. Open any card to see what the add-on does and connect it. Some ask you to sign in with the provider; others need an API key you copy from their dashboard.
Add-ons currently in beta are free to use while they're in beta.
What you can connect today
Shipping & carriers
| Add-on | What it does |
|---|---|
| Shippo | Live USPS, UPS, and FedEx rates and labels for US shipping – see Ship in the US with Shippo |
| Furgonetka | Compare, book, and send parcels with Polish couriers – see Ship with Polish carriers |
| InPost | Polish parcel lockers and delivery – see Ship with Polish carriers |
| GLS | Parcel-shop and door delivery in Poland – see Ship with Polish carriers |
| FedEx | Courier labels within Poland on your own FedEx account – see Ship with Polish carriers |
Marketplaces & channels
| Add-on | What it does |
|---|---|
| Allegro | Publish products as offers and import orders – see Sell on Allegro |
| Base.com (formerly BaseLinker) | Manage store orders, stock and prices in Base – see Connect Base.com |
| InstaView | Mirror your Instagram photos into your store |
Payments
| Add-on | What it does |
|---|---|
| PayNow | BLIK, cards, bank transfers, wallets and PayPo – on PayNow's page or, after PayNow's approval, picked right in your checkout – see Create a PayNow sandbox account |
| Montonio | Embedded BLIK and card payments for Polish and European checkouts – see Create a Montonio sandbox account |
| Frame Payments | Embedded card payments with 3D Secure for USD checkouts – see Create a Frame Payments sandbox account |
| InPost Pay | One-tap checkout in the InPost Mobile app, early access – see Connect an InPost Pay sandbox account |
Note: Montonio and Frame Payments don't support refunds through YNS. Issue those refunds from the provider's own dashboard, then set the order to Refunded in YNS so your records match – see Issue refunds and handle returns.
Accounting & invoicing
| Add-on | What it does |
|---|---|
| Fakturownia | Polish online invoicing: an invoice for every paid order, optionally emailed to the buyer – see Connect Fakturownia |
| KSeF | File FA(3) e-invoices directly with KSeF, the Polish national e-invoicing system – see Issue and correct KSeF e-invoices |
| eparagony.pl (KSeF) | Issue KSeF e-invoices for Polish orders |
| NoviCloud POS | Point-of-sale integration |
Analytics & marketing
| Add-on | What it does |
|---|---|
| Google Tag Manager | Add tracking and ad tags – see Tracking & pixels |
| Meta Pixel | Track visitor actions and improve Facebook and Instagram ad performance |
| OpenAI Ads | Report views, carts and orders from your ChatGPT ads – see OpenAI Ads |
| Klaviyo | Email marketing and SMS |
| MailerLite | Email marketing, with your products, customers and orders synced across |
| GetResponse | Email marketing and automation, with e-commerce data synced across |
Tip: The email marketing add-ons sync your product catalog, your customers and their orders to the other tool, so its automations can act on what people actually bought – including "buys a specific product" triggers and product blocks in emails. Published products are pushed when you connect, whenever you edit one, and again every hour to catch bulk changes; unpublished or deleted products are removed from MailerLite on the next sync. If you only want to send campaigns, you don't need any of them – see Send newsletters & grow subscribers.
Note: If you connect GetResponse, your orders carry your store's own status (paid, shipped, refunded, and so on) into GetResponse. Match those to GetResponse's own statuses in its Store settings so only what you consider paid counts as revenue there. Product and category page views are also reported, so GetResponse's on-site automations (popups, web push) can react to what an anonymous visitor is browsing, not just to a URL they land on.
Other services appear on the page marked Coming soon, so you can see what's on the way.
Tip: Connect one add-on at a time and check your storefront and orders afterwards. If something breaks, you know exactly which one to blame.
Keep connections healthy
Authorizations expire – marketplace and carrier logins in particular. When one does, you'll get an email and the failure shows up on your Issues page. Reconnecting from the add-on's page is usually all it takes.
FAQ
Do add-ons cost extra?
Add-ons in beta are free while they're in beta. Any fees charged by the service itself – courier rates, marketplace commission, your accounting subscription – stay between you and that provider.
What's the difference between add-ons and modules?
Add-ons connect you to outside services. Modules are capabilities built into YNS, like blog, reviews, or wishlists – see Turn features on and off with Modules.
The add-on I want says "Coming soon".
It's on the roadmap but not connectable yet. Meanwhile, the store API and product feeds cover a lot of ground.
Can I disconnect an add-on?
Yes. Open the add-on and disconnect it. Your store keeps working – you just stop syncing with that service.
What's next
- Sell on a marketplace with Sell on Allegro.
- Feed your catalog to shopping platforms with Product feeds.
- Measure your marketing with Tracking & pixels.