Shopify Sales Channels & Third-Party Payments: Unlocking Your Marketplace App Potential

Hey everyone,

I recently stumbled upon a really insightful discussion in the Shopify community that I just had to share. It touched on a common point of confusion for many app developers and store owners looking to integrate external platforms: the delicate dance between Shopify's sales channels, third-party payment processing, and app approval. It's a nuanced area, and honestly, even I've seen some head-scratching over it!

Untangling Sales Channel Confusion and Third-Party Payments

The original post, kicked off by a developer named kenshin9, perfectly highlighted this dilemma. They were building an awesome app – essentially an external marketplace. Think of it: their own platform to drive customers, their own checkout powered by Stripe, and a neat integration with Shopify to sync products and push orders back into the merchants' stores. Sounds like a solid plan, right?

But then came the snag: Shopify's automated review system paused their app. The reason? "Bypassing Shopify Checkout." Now, if you're building an external marketplace with your own payment flow, this makes perfect sense from one perspective, but it felt like a contradiction when kenshin9 looked at Shopify's own sales channel documentation. That documentation explicitly mentions use cases like "external platform handles checkout and payment (marketplaces like Amazon and Walmart)," where the app acts as the Merchant of Record. Yet, another requirement for apps seemed to say "take customers to Shopify's Checkout." Talk about confusing!

This is where the community really shined, and a user named topnewyork offered some incredibly clear insights.

The "Merchant of Record" Distinction: Your Business Model Matters

The core takeaway from topnewyork's response was crucial: your business model is valid if you act as the Merchant of Record (MoR). If your platform is like Amazon or Walmart, where you are collecting the payment from the customer and then paying the Shopify merchant, then using your own checkout (like Stripe) is absolutely allowed. The automated system likely flagged it because it saw a non-Shopify checkout and assumed it was a standard app trying to sidestep the rules.

This distinction is key. Shopify isn't saying you can't have your own checkout ever. They're saying if your app is a *standard* app meant to enhance a Shopify store's existing checkout flow, then it needs to integrate with Shopify Checkout. But if your app *is* the sales channel, the marketplace, and you're the MoR, that's a different ballgame.

Two Paths to Approval: Custom App vs. Marketplace Sales Channel

Topnewyork laid out two fantastic options for kenshin9, and these are super helpful for anyone in a similar spot:

1. The Custom App Route (Easiest & Safest for Select Merchants)

If your platform isn't meant for public discovery on the Shopify App Store, and you're onboarding merchants manually (think a smaller, curated marketplace or a private integration), this is often the path of least resistance. Here’s how it works:

• No Public Visibility Needed: You completely bypass the strict public App Store review process.
• Direct API Credentials: Merchants simply generate API credentials from their Shopify admin (under "Apps" > "App and sales channel settings" > "Develop apps") and provide them to you.
• Full API Control: You can still sync products and push orders back into their Shopify store perfectly via the API.
• Checkout Freedom: Shopify won't review or care about your Stripe checkout at all because it's a private, custom integration.

When to use it: This is ideal if you have a small, selected group of merchants you onboard manually. It's hassle-free and avoids the app review entirely.

2. Appeal as a Marketplace Sales Channel (For Public-Facing Marketplaces)

If you *do* want that smooth OAuth installation flow – where merchants just click an "Install App" button – then you need to go through the app review process, but with a crucial clarification. This is what kenshin9 was initially aiming for.

Here’s what you need to do to appeal:

1. Find the Review Team Contact: Kenshin9 specifically asked about this. While the thread didn't give a direct button, typically within your Shopify Partner Portal, when you go to "Apps" and then "Manage Submission" for your paused app, you should find an option to "Contact Shopify Support," "Reply to Review Team," or a direct messaging system related to the app review itself. Look for any communication channel tied to that specific app submission. It might not be a big, obvious "Appeal Here" button, but rather a reply function within the submission status.
2. Clearly Articulate Your Model: When you communicate with the Shopify review team, you need to explicitly state: "We are building an External Marketplace Channel where our platform acts as the Merchant of Record. This model is fully supported under Shopify's Sales Channel terms, specifically where our platform handles checkout and payment (similar to marketplaces like Amazon or Walmart)."
3. Reference Documentation (Optional but Helpful): You can even politely reference the Shopify documentation on sales channels that clarifies the Merchant of Record role.

When to use it: This option is better if your platform allows many different merchants to sign up themselves, as it provides that standard, frictionless installation experience.

Addressing the "Take Customers to Shopify Checkout" Contradiction

Kenshin9's confusion about the "take customers to Shopify's Checkout" requirement is totally understandable. This requirement usually applies to apps that are *not* sales channels themselves but are instead enhancing a merchant's existing Shopify store. For true sales channels where you are the Merchant of Record, your own checkout is expected and allowed. The key is how you classify and explain your app during the review process. The documentation can sometimes feel a bit contradictory because it covers a very wide range of app types and use cases.

So, if you're building an external marketplace app with its own checkout flow, don't despair! Your business model is very likely valid. The trick is understanding whether the Custom App route fits your onboarding process, or if you need to clearly and confidently communicate your Merchant of Record status to the Shopify review team when pursuing a public (even unlisted) Sales Channel app. It's all about speaking their language and clarifying your intent. Good luck out there!