Amazon SP API Integration with SaaS App: A Complete Guide

Building a SaaS Application with Amazon SP-API: A Complete Guide

Mar 25, 2025
Building a SaaS Application with Amazon SP-API: A Complete Guide

Amazon’s Selling Partner API turns the chaos of managing eCommerce operations into a streamlined approach. It allows third-party software solutions to seamlessly integrate with the Amazon marketplace and access the Seller Central data for better business analytics and operations. Integrating Amazon SP API with the SaaS model creates an ecosystem promoting automation, scalability, and operational efficiency for Amazon sellers.

This blog delves into the importance of SaaS, the benefits of integrating it with Amazon SP API, the role of the Amazon App Store, and why selecting the right development partner is crucial for businesses aiming to build or maintain Amazon SaaS applications.

Let’s understand SaaS, its importance, and Amazon SP API integration with the SaaS app.

Understanding SaaS: Software As A Service

Talking about Saas and its popularity in the community, SaaS apps operate on cloud-based infrastructure, allowing businesses to manage their operations without the need for any complex IT resources, installation, or maintenance. SaaS providers gain continuous revenue stream, scalability, and operational efficiency with the SaaS app development.

As businesses are shifting towards cloud-based solutions, the SaaS industry is witnessing rapid growth. Instead of purchasing software outright, users pay monthly or yearly licensing fees to the SaaS provider avoiding the need for paying high deployment costs.

This easy-to-use and cost-effective model creates hype for the SaaS apps in the market. The overall cost associated with the installation of the SaaS app is always on the affordable side for businesses, hence it creates a lucrative opportunity for the SaaS providers.

SaaS apps are mainly designed to address specific business challenges, for example, a SaaS app is built just to fetch the sales data and predict upcoming sales trends. While monetizing over the SaaS app, SaaS providers maintain full ownership of the app along with the app data, security, and scalability scope.

Here are a few key pointers to justify why investing in building a SaaS app is a profitable stake:

  • Recurring Revenue Model
  • Higher Scalability
  • Control Over App Data & Features
  • Lower Maintenance Overhead
  • Customization as Per User Requirement
  • Continuous Growth Potential
  • Gain Data & User Insights

Developing SaaS App for Amazon Sellers: Amazon SP API Integration with SaaS

Amazon has huge potential for sellers and retailers, consequently creating the need for software to streamline Amazon’s e-commerce operations. The demand for automation, and advanced operational assistance within the eCommerce industry especially Amazon created a surge for the SP API-integrated SaaS apps. eCommerce SaaS platforms offer ready-to-use tools for sellers to manage their inventory, resources, marketing data, ads, etc. without dealing with the development technicalities.

Amazon SP API Integration with SaaS products enhances the software capabilities. Amazon sellers can streamline various eCommerce operations, including inventory management, automating order processing, generating accurate data reports, and more.

The main reason why Amazon SP API integration with SaaS is the opportunity to look after is easy deployment environment for the Amazon developers. Amazon has its database infrastructure (AWS), ensuring app compatibility within the Amazon ecosystem.

For Amazon sellers, investing in SaaS solutions, creates an opportunity to generate recurring revenue while addressing the specific market gap. Developing targeted SaaS apps solving niche challenges, makes them accessible to a broad customer base.

amazon-sp-api-x-saas-esellerhub

Centralized eCommerce Management

Sellers can manage multiple aspects of their Amazon store with a SaaS application integrated with Amazon SP API—a single dashboard to manage inventory, orders, pricing, customer data, and more.

Task Automation

Sellers can automate repetitive processes including repricing, order processing, syncing inventory updates, and more to reduce manual efforts and minimize human errors.

Real-time Data Access

Sellers can fetch real-time data for order details, product listings, inventory levels, etc to ensure that the sellers can make timely decisions for inventory restocking and process orders without delays.

Multi-Marketplace & Account Support

A SaaS-based solution that allows to management of multiple accounts and multiple marketplaces in one place, makes business expansion easier for sellers.

AI-Powered Analytics & Insights

By using SP API data to generate predictive analytics, SaaS platforms can assist sellers in optimizing their marketing campaigns, inventory levels, and pricing strategies.

Improved Response Time & Customer Service

SaaS solutions let sellers reply to customer inquiries more quickly by integrating order tracking and messaging APIs, which helps improve the customer experience, and ratings and eventually generate more sales.

Security & Compliance

A well-crafted SaaS application lowers the danger of API throttling or account compromise by guaranteeing adherence to Amazon’s regulations and security standards.

Amazon App Store: List your Amazon SaaS App

Amazon has its app store “Amazon App Store” for listing the apps developed for Amazon sellers. The foremost requirement for developing an Amazon app with Amazon SP API integration is registering as a certified Amazon developer.

As per the requirement, the developer can build the Amazon SP API solution with various tech stacks including Python, React js, and more. Sellers can find third-party apps on the Amazon App Store that connect with the Amazon ecosystem with advanced capabilities to improve seller operations.

how-to-submit-your-saas-app-to-amazon-app-store-esellerhub

Steps to Submit SaaS App to Amazon App Store

We have been in the eCommerce domain for almost 10 years, helping sellers with advanced and high-tech eCommerce management software development. With our experience and knowledge, we have mentioned the steps to list Amazon SP API integrated SaaS app on the Amazon App Store:

Step 1: Prepare App Development & Documentation

Ensure the development of a fully functional SaaS app adhering to Amazon’s compliances. Prepare user guide, and app documentation for the SaaS product mentioning the support contact details to assist users in understanding the app features effectively.

Step 2: Create an Amazon Developer Account

If you are reading this blog, then I believe you must have an Amazon developer account. But if not, first create an Amazon developer account to get access to the developer console to manage app submission.

Step 3: Prepare SaaS App Assets

Get your application file (APK) ready to upload along with the high-quality icons, app screenshots, promotional images, etc. Draft an engaging and clear app description, highlighting the features and benefits of the app.

Step 4: App Submission

Log in to the Amazon developer account, access the developer console, and follow the below-mentioned steps:

  • Navigate to “Dashboard”, then, under the Amazon App Store section, select the “Add a New App” option.
  • Upload the app file following Amazon’s technical requirements, specify the devices and regions for the app availability, and update the app title, description, and other related details along with images.
  • Recheck the entire app detail to ensure accuracy and then submit for the further review process.

Step 5: Application Review Process

Amazon team will review the submitted app to ensure it meets the guidelines and standards. If needed Amazon will request modifications or provide feedback. To expedite the approval, make sure to address the issues promptly.

Step 6: Post-Approval Performance

After the app is listed on the platform and is live, monitor its performance, user reviews, and ratings to deliver better results. Keep updating the application with new features, maintain security breaches, and improve based on user feedback.

Some Commonly Used SaaS Apps for Amazon Sellers

Listing down some commonly used SaaS applications for Amazon sellers.

  1. Inventory management tool
  2. Order management tool
  3. Reporting software
  4. Accounting software
  5. Data analytics tool
  6. Repricing software
  7. Bulk product listing tool
  8. Amazon Campaign Management & More

eSellerHub: Partnering for the Success of Your Amazon SaaS App

The opportunities are endless with the Amazon marketplace. The platform has the potential to turn the brands into well-established businesses with turnover in millions. For such a competitive and fast-paced marketplace, efficiency is everything. Amazon SP API integration with SaaS provides sellers with advanced software solutions that automate routine tasks and ensure accuracy within eCommerce operations.

We have been in the industry for a long time, and understand the Amazon marketplace in and out. Amazon has strict guidelines for Amazon app development and app listing over the Amazon app store, hence selecting the right and experienced development partner is important. Our extensive experience comes from developing multiple Amazon SP API solutions addressing the unique needs of Amazon sellers.

build-saas-app-for-amazon-seller-esellerhub

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