Does anyone have contact info for loans issued by Marcus via Amazon SellerCentral?

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What Are the SP-API and Ad-API Connections and What Are They Needed For?

If you sell on Amazon—or help manage brands or advertising on the platform—you’ve probably heard terms like SP-API (Selling Partner API) and Ad-API (Advertising API). But what do they actually do? And why is everyone talking about connecting them?

Today, more than ever, sellers, vendors, and third-party tools rely on data to stay competitive. The SP-API and Ad-API are the critical pipes that deliver that data, enabling smarter decisions, faster automation, and better visibility into your business.

In this guide, you’ll learn:

What SP-API and Ad-API are

Why connecting them matters for sellers and advertisers

How these connections work

Key benefits and potential challenges

By the end, you’ll walk away knowing whether these APIs matter to your business—and how to approach using them.

What Is Amazon’s SP-API?

The Selling Partner API (SP-API) is Amazon’s modern API framework that replaced the older MWS (Marketplace Web Service). It gives sellers, vendors, and integrators access to data across critical business areas—including:

• Orders and shipments
• Inventory and listings
• Financial transactions
• Performance metrics
• Reports

Instead of manually downloading reports from Seller Central, the SP-API lets you fetch this data programmatically. This is a game-changer for any seller using advanced analytics, automation, or custom dashboards.

As per the Seller Labs guide:

“The SP-API enables software developers and sellers to securely access Amazon’s data and services in real-time, leading to more efficient operations.”

What Is the Ad-API?

The Advertising API (Ad-API) is Amazon’s solution for managing your advertising campaigns programmatically. It supports:

• Create, update, or pause ads
• Adjust bids and budgets
• Retrieve performance metrics
• Analyze sales attribution
• Manage Sponsored Products, Sponsored Brands, and Sponsored Display

This is vital for sellers and agencies running complex ad operations who can’t manually update hundreds of campaigns daily.

From the Seller Labs Ad API guide:

“The Amazon Advertising API allows for a deeper level of integration and real-time updates, making it possible to adjust campaigns quickly based on performance.”

Why Connect to These Amazon APIs?

Because time is money—and so is data. Here’s why connecting these APIs matters:

Automation: Instead of downloading and uploading spreadsheets, you can sync data automatically into tools, dashboards, or custom software.

Real-Time Accuracy: Get near real-time insights into orders, inventory, and ad performance, avoiding costly delays.

Scale With Control: If you’re growing fast or managing multiple brands/accounts, APIs help you keep control without getting buried in manual tasks.

Data-Driven Decisions: Richer data empowers smarter strategies for inventory planning, pricing, and advertising optimization.

Is It Difficult to Connect?

It depends on your tech resources. Both SP-API and Ad-API require:

• Amazon developer credentials
• Registration of your app with Amazon
• OAuth consent flow to allow access to your account data
• Handling of API tokens and security protocols

If you’re not technical, don’t worry. Most sellers rely on trusted software partners—like Seller Labs—who’ve already done the heavy lifting. If you’re building your own solution, expect a learning curve and the need for development expertise.

Read: Seller Labs SP-API Connection Guide

Read: Seller Labs Ad-API Connection Guide

Are There Any Risks or Challenges?

Yes—but they’re manageable with the right tools.

Common challenges include:

• Complex Setup: Especially for SP-API, setup can be time-consuming and technical.
• API Limits & Throttling: Amazon enforces request limits, so planning your API calls is crucial.
• Security & Compliance: You must handle sensitive data securely and follow Amazon’s policies.
• Changing APIs: Amazon occasionally updates endpoints or requirements, requiring developers to stay up to date.

The good news? With platforms like Seller Labs, you don’t have to handle these hurdles alone. Their tools are already integrated with Amazon’s APIs, and updates are managed in the background.

Final Takeaway

Connecting to the Amazon SP-API and Ad-API is one of the smartest moves you can make to automate, scale, and optimize your Amazon business.

Whether you’re a seller, vendor, or agency, these APIs unlock:

• Faster access to key data
• Better inventory and ad decisions
• Automated workflows and less manual work

Not ready to build custom integrations? Look for trusted software tools (like Seller Labs) that already use these APIs and can help you stay competitive—without the headache.

The post What Are the SP-API and Ad-API Connections and What Are They Needed For? appeared first on Seller Labs: Amazon Seller Software and Platform.

Amazon Used Bookseller Wannabe Second Time Around

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Amazon Used Bookseller Wannabe Second Time Around

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How Do I Know Which SKUs Are Hurting My Profit Margins?

I’m selling a lot on Amazon, but I’m not seeing much profit. What’s going on?

If you feel like you’re working harder than ever but your bottom line isn’t moving — you’re not imagining it. Many Amazon sellers experience high revenue growth without a matching profit increase. The likely culprit? A few underperforming SKUs are quietly draining your margins.

And with Q4 approaching, now’s the time to catch those profit leaks before they get worse.

This isn’t about selling more — it’s about selling smarter.

So how do I figure out which SKUs are the problem?

The key is SKU-level visibility — not just what you’re selling, but what you’re actually earning from each sale after:

• Amazon FBA and referral fees
• Advertising costs (especially if you’re scaling PPC)
• Returns, reimbursements, and defective claims
• Monthly storage and long-term holding fees
• Prep costs or additional fulfillment fees

Many sellers rely on top-line dashboards and guesswork. That’s where mistakes (and lost profits) happen. With Seller Labs Profit Genius, you get a full view of your product performance — from SKU-level profitability to catalog visibility and price sensitivity. Tools like SKU Economics, SKU Details, and the SKU Slider work together to help you identify which products are quietly draining your margins — and which ones are ready to scale.

Look for:

• High-revenue products with negative margins
• Break-even SKUs with high ad spend
• SKUs with seasonal demand but year-round storage fees

Can I fix low-margin SKUs, or should I just drop them?

Not all struggling SKUs are dead weight. But they do need attention. Here’s a quick breakdown of common causes and potential fixes:

Issue	Fix
FBA fees are killing profit	Consider bundling or switching to FBM
Ad costs outweigh margin	Pause or retarget ads to high-converting keywords
Excessive returns	Improve product photos, update listing copy, or tweak packaging
Price is too low to cover costs	Increase price based on value proposition or reduce costs

Use Seller Labs Profit Genius to evaluate your SKUs before making any changes. Whether you’re adjusting pricing, ad spend, or inventory levels, tools like SKU Economics, SKU Details, and the SKU Slider help you see exactly how those decisions will impact your bottom line — so you can cut, optimize, or scale with confidence.

How often should I audit my SKUs for profitability?

At least once per month — and definitely before peak periods like Prime Day or Q4.

Use these checkpoints:

• When launching new products
• Before or after large inventory shipments
• After major advertising campaigns
• Following a fee change (especially Amazon fee increases)

Make it a habit to review Profit Genius regularly. The earlier you catch margin leaks, the easier they are to fix — especially when you’re relying on tools like SKU Economics to surface hidden cost issues.

I’ve identified my worst-performing SKUs. What now?

Here’s a 3-step action plan:

1. Tag the SKUs: Organize your catalog into high, medium, and low-profit products.
2. Take action: Adjust ads, raise prices, or offload excess inventory. Focus your time and budget on your winners.
3. Track progress: Monitor your margin growth over the next 2–4 weeks to measure the impact of your changes.

Pro Tip: Before scaling ads, check whether the product is actually profitable. Use SKU Economics to spot low-margin SKUs, then adjust your Ad Genius strategy accordingly — so you’re not unintentionally spending money to lose money.

How can I make this process easier and faster?

Manual spreadsheets, guesswork, and disconnected reports won’t cut it anymore — especially when your margins are on the line. With Seller Labs Profit Genius, you get a clear, unified view of what’s driving — or draining — your profitability.

Here’s how it helps you move faster and make smarter decisions:

• See profit per SKU instantly with automated cost and revenue breakdowns
• Spot margin-killers like high fees, low pricing, or overspend with simple filters
• Review key listing and pricing metrics using tools like SKU Details and the SKU Slider so you can spot patterns, gaps, and opportunities faster.
• Act confidently by backing every cut, scale, or reinvestment decision with real data

No more digging across spreadsheets. No more wondering what’s working. Profit Genius brings it all together — so you can protect your margins and scale what works.

The post How Do I Know Which SKUs Are Hurting My Profit Margins? appeared first on Seller Labs: Amazon Seller Software and Platform.

How M-Commerce is Reshaping Mobile Shopping

So, how is m-commerce reshaping online shopping? And what should eCommerce businesses know?

Let’s say you’re running out of shampoo. Sure, you can run to the local drugstore and see what’s on sale. But let’s face it, most people will go to the Amazon app and repurchase their favorite products. Or better yet, they subscribe to autoship and never have to worry about using every last drop of shampoo (or filling the bottle up with water).

This trend is called mobile commerce, or m-commerce for short. 

Revenue from m-commerce is expected to reach USD 2.5 trillion. If eCommerce businesses don’t optimize their strategy for mobile devices, they will fall behind.

 

What is Mobile Commerce?

M-commerce refers to any transaction conducted on a wireless mobile device, specifically smartphones and tablets. This is a type of ecommerce where users purchase products and services over the internet.

From May 2024 to May 2025, mobile phone ownership was at 63.07% worldwide, while desktop computer ownership was at 35.28%. As mobile phone ownership becomes more prevalent, m-commerce enables consumers to make purchases directly on their smartphones.

Another advantage of mobile ecommerce is the more straightforward checkout process. Many businesses use various platforms (more on that later) that store customer information, and consumers can purchase items in only a few clicks. 

M-Commerce vs Ecommerce

Although m commerce is part of ecommerce, both selling strategies still differ in various ways. Here are the most notable ones:

• App usage. M-commerce companies often have their shopping apps, allowing users to buy without an internet connection. This is why consumers spend 41.9 billion hours on shopping apps.

• Convenience. Mobile purchases can be done anywhere, since smartphones are wireless and handheld devices. As long as users can connect to the internet or use data, they can make purchases on their phone.

• Reach. Companies can set up a store on various platforms, including social media, to increase their reach. Ecommerce companies relying on one website have many limitations.

• Security. M-commerce tends to be more secure, since consumers don’t need to connect to the internet. That said, m-commerce companies may collect more data, which puts users at risk for a data breach. Ecommerce companies can also collect data, but users can safeguard themselves further by using a VPN and anti-virus protection.

 

Pros and Cons of M-Commerce

M-commerce comes with both advantages and disadvantages. Here’s a look at both:

 

Pros

• Convenience. Many users shop on apps, and the checkout process is often user-friendly.

•  Larger customer base. M-commerce is more widely available, attracting a larger pool of shoppers.

• Mobile payments. There are countless mobile transaction services, such as Apple Pay and PayPal One Touch.

• Massive product selection. There’s a huge product inventory online so that customers can browse various items and prices on their phones.

• Omnichannel capabilities. M-commerce companies often take advantage of multiple channels, offering an omnichannel experience for customers.

 

Cons

• Regional issues. Some companies may experience problems when expanding to other countries via m-commerce. For example, not all countries may accept mobile transactions, and shipping can be expensive.

• App development. Since there’s a massive demand for shopping apps, companies must invest in app development to optimize navigation and the user experience.

• Security vulnerabilities. Companies are collecting more data, which attracts more hackers. Fraud and malware are also common security concerns.

• Taxes. M-commerce businesses may comply with tax regulations, even when selling products online. This can be difficult when targeting international customers.

Best M-Commerce Platforms

There are different ways to start your m-commerce business. While you can develop your website, app, and checkout process, many sellers subscribe to a platform that handles the hard work for them. But which platform should you choose?

 

Etsy

Etsy specializes in selling handmade and custom pieces. Sellers can create their own Etsy shop by uploading their products and setting their own shipping and return policies.

Another significant benefit is that Etsy offers a wide array of products. These include toys, jewelry, clothing, home decor, and more.

Etsy attracts 9.5 million buyers, and a large portion of these customers use Etsy’s app. Sellers can also stream their Etsy shop on social media platforms like Facebook and Pinterest, growing their reach even further.

 

Shopify

Shopify offers an all-in-one solution for sellers. You can use Shopify to create a website, upload inventory, manage orders, handle customer service, and more.

Plus, it offers countless templates, and their backend is user-friendly, so you don’t need technical experience to create a beautiful web store.

Shopify offers many solutions for m-commerce companies. Their marketplace features various apps and plug-ins designed to enhance the mobile shopping experience, including the addition of a recommendation engine when a customer adds an item to their shopping cart. They also offer various one-click checkout and payment options.

Another benefit of selling on Shopify is that it solves many m-commerce issues. For example, sellers undergoing international expansion can access tools such as localization and international payment solutions.

Shopify offers several plans at affordable rates. All plans are scalable, allowing you to adjust or add services as needed.

 

Shop App

Shop App is a Shopify integration that sellers can add to their stores. It started as a one-click payment processor, where users can check out in one click. Shop App then emerged as a separate channel where users can shop, checkout, and track purchases in one place. 

All sellers need to do is find the Shop App on Shopify’s marketplace and activate “Sell With Shop.” This app also integrates with social media channels, further increasing your reach. Shop App is also known for its Shop Pay rewards, where users earn money back for their purchases that they can use toward future orders.

Related content: Ecommerce Integration Strategies

 

Amazon

It’s no surprise that Amazon is one of the most effective m-commerce platforms. Amazon attracts millions of buyers, and the app boasts 150.6 million users.

There are many reasons why countless sellers choose Amazon. For instance, it’s easy to create your store and list your items. With Amazon FBA, the retail giant handles all storage, picking, packing, shipping, and customer service. This means sellers only need to worry about growing their business.

Amazon offers many ways for sellers to market and advertise their products. The ecommerce giant operates in numerous countries, making it easy to grow your audience. 

Plus, sellers only need to pay a monthly fee to access all these benefits.

 

eBay

eBay is a marketplace for new and used items and is one of the most popular Amazon alternatives. Buyers can find a vast array of products on eBay, including electronics, collectibles, toys, clothing, and even cars. 

eBay offers many perks, including free shipping and low prices. The auction feature makes eBay popular, where users can bid on high-value items. And it’s quite easy to sell on eBay. Sellers can easily list and edit their products, as well as track sales, all in one place.

Like many of these platforms, eBay offers a popular mobile app. Users can search for products, categories, and brands on their mobile devices, enhancing the shopping experience.

 

BigCommerce

BigCommerce is another example that gives sellers control of their business. They integrate with various mobile payment providers, including Apple Pay, to streamline the checkout process. Sellers can also offer their products in multiple currencies to attract international buyers. 

BigCommerce is also offering more AI solutions, such as predictive analytics, so sellers can better predict trends and personalize their marketing. BigCommerce provides encryption and other security features to protect both sellers and buyers.

 

Future of M-Commerce

As technology continues to evolve, mobile commerce is expected to grow further. Here are some future m-commerce trends to expect.

• Augmented reality (AR). AR is a popular way to “test” a product when mobile shopping. Customers can use AR to see how furniture or decor looks in their home, try out a makeup look or hair color, and even “try on” clothing. Because it’s so popular, AR is predicted to become a regular part of m-commerce.

• Shopping assistants. Instead of customer service professionals, m-commerce users can access virtual “shopping assistants.” Powered by AI, these assistants can help complete purchases, recommend items, and provide customer support.

 

Do You Need Help With Your M-Commerce Business?

M-commerce has made the shopping experience quicker and more convenient. This is a type of ecommerce where all shopping is done on mobile devices.

But what does this mean for sellers? Brands must make their store and products available on mobile e-commerce devices, whether that means creating a responsive website or having a shopping app.

Fortunately, starting an m-commerce business is easier than you think. And if you’re using any of these platforms, we can also help grow your m-commerce store even more. 

Author

Stephanie Jensen has been writing ecommerce content for seven years, and her copy has helped numerous stores rank on Amazon. Follow her on LinkedIn for more insight into freelance writing and creating high-quality content.

The post How M-Commerce is Reshaping Mobile Shopping appeared first on AMZ Advisers.

Seeking insight as a new FBA seller

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Seeking insight as a new FBA seller

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Which reports do you use to get accurate sales figures?

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Which reports do you use to get accurate sales figures?

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