Analyzing Amazon Product Categories with SellerMagnet API

Analyzing Amazon Product Categories for Strategic Expansion

By Emma Johnson | July 09, 2025

Analyzing Amazon Product Categories for Strategic Expansion

For businesses navigating the vast landscape of Amazon, strategic expansion hinges on a deep understanding of product categories. This blog post explores how to analyze Amazon product categories effectively, enabling data-driven decisions for competitive advantage, inventory management, and robust market research. Leveraging the SellerMagnet API, we'll delve into practical use cases and actionable insights.

Why Analyze Amazon Product Categories?

Amazon's product categories offer a structured view of its marketplace. Analyzing these categories allows businesses to:

  • Identify High-Potential Niches: Discover underserved areas with growing demand.
  • Assess Competitive Landscape: Understand who the key players are and their market share.
  • Optimize Inventory: Align product offerings with consumer preferences and seasonal trends.
  • Refine Market Research: Gather data on pricing, reviews, and product performance.

Leveraging SellerMagnet API for Category Analysis

The SellerMagnet API provides several endpoints that are instrumental in analyzing Amazon product categories.

1. Identifying Best-Selling Products within a Category

Use the Amazon Bestsellers endpoint to discover top-selling products in any given category. This helps identify trending items and potential market opportunities.

Endpoint: /amazon-bestsellers

Method: GET

Parameters:

  • category_id (required): The ID of the category to analyze (e.g., "electronics").
  • marketplaceId (required): The Amazon marketplace ID (e.g., "A1PA6795UKMFR9" for Amazon.de).
  • count (optional): Number of results to return (max 50, default 30).
  • api_key (required): Your SellerMagnet API key.

curl --location --request GET 'https://sellermagnet-api.com/amazon-bestsellers?category_id=electronics&marketplaceId=A1PA6795UKMFR9&count=10&api_key=YOUR_API_KEY'

Response Example:


{
  "category": "electronics",
  "bestsellers": [
    {
      "asin": "B08N5WRWNW",
      "rank": 1,
      "title": "Top Product"
    },
    {
      "asin": "B07X1W4XGD",
      "rank": 2,
      "title": "Second Top Product"
    }
  ]
}

This response provides a list of the top-selling products in the specified category, along with their ASINs and ranks.

2. Discovering Product Details with Amazon Product Lookup

The Amazon Product Lookup endpoint provides detailed information about a specific product, including its categories, reviews, and sales rank. This can be extremely useful for understanding the competitive landscape within a category.

Endpoint: /amazon-product-lookup

Method: GET

Parameters:

  • asin (required): The ASIN of the product (e.g., "B08N5WRWNW").
  • marketplaceId (required): The Amazon marketplace ID (e.g., "A1PA6795UKMFR9").
  • api_key (required): Your SellerMagnet API key.

curl --location --request GET 'https://sellermagnet-api.com/amazon-product-lookup?asin=B08N5WRWNW&marketplaceId=A1PA6795UKMFR9&api_key=YOUR_API_KEY'

Response Example:


{
  "data": {
    "productInfo": {
      "additionalDetails": {
        "ASIN": "B08N5WRWNW",
        "Batteries": "1 Lithium Ion batteries required. (included)",
        "Best Sellers Rank": "#1 in Electronics",
        "Customer Rating": "4.5 out of 5 stars"
      },
      "asin": "B08N5WRWNW",
      "bestsellerRanks": {
        "main_category": {
          "name": "Electronics",
          "rank": 1
        },
        "subcategory": {
          "name": "Headphones",
          "rank": 5
        }
      },
      "title": "Amazing Headphones"
    }
  },
  "success": true
}

3. Monitoring Product Performance with Amazon Product Statistics

Track product performance over time using the Amazon Product Statistics endpoint. Monitor sales rank, review counts, and other key metrics to understand a product's trajectory within its category.

Endpoint: /amazon-product-statistics

Method: GET

Parameters:

  • asin (required): The ASIN of the product (e.g., "B08N5WRWNW").
  • marketplaceId (required): The Amazon marketplace ID (e.g., "A1PA6795UKMFR9").
  • api_key (required): Your SellerMagnet API key.
  • graphs (optional): Generate visually graphs for history data.

curl --location --request GET 'https://sellermagnet-api.com/amazon-product-statistics?asin=B08N5WRWNW&marketplaceId=A1PA6795UKMFR9&api_key=YOUR_API_KEY&graphs=true'

Response Example:


{
  "success": true,
  "data": {
    "asin": "B0CLTBHXWQ",
    "productTitle": "Playstation 5 Console Edizione Digital Slim",
    "buyBoxPrice": 41800,
    "buyBoxFulfillment": "FBM",
    "bestSellerRank": 15,
    "salesRankHistory": [
      [
        "2025-06-14 01:58:00",
        15
      ]
    ]
  }
}

4. Analyzing Product Offers

Using the Amazon Product Offers, you can identify trends in pricing, fulfillment methods (FBA vs. FBM), and seller competition. A higher number of offers may indicate a popular or saturated market, influencing your entry strategy.

Endpoint: /amazon-product-offers

Method: GET

Parameters:

  • asin (required): The ASIN of the product (e.g., "B08N5WRWNW").
  • marketplaceId (required): The Amazon marketplace ID (e.g., "A1PA6795UKMFR9").
  • api_key (required): Your SellerMagnet API key.

curl --location --request GET 'https://sellermagnet-api.com/amazon-product-offers?asin=B0CL61F39H&marketplaceId=ATVPDKIKX0DER&api_key=YOUR_API_KEY'

Response Example:


{
  "data": {
    "asin": "B0CL61F39H",
    "buyBox": {
      "condition": "New",
      "deliveryDate": "2025-06-28",
      "fulfillmentType": "FBA",
      "inventory": 30,
      "positivePercentage": 0,
      "priceWithoutShipping": 499,
      "sellerId": "Amazon",
      "sellerName": "Amazon",
      "shippingPrice": 0,
      "totalPrice": 499,
      "totalReviews": 0
    },
    "currency": {
      "code": "USD",
      "name": "United States Dollar",
      "symbol": "$"
    },
    "marketplaceId": "ATVPDKIKX0DER",
    "offers": [
      {
        "condition": "New",
        "deliveryDate": "2025-06-28",
        "fulfillmentType": "FBA",
        "inventory": 30,
        "positivePercentage": 0,
        "priceWithoutShipping": 499,
        "sellerId": "Amazon",
        "sellerName": "Amazon",
        "shippingPrice": 0,
        "totalPrice": 499,
        "totalReviews": 0
      }
    ],
    "productLink": "https://www.amazon.com/dp/B0CL61F39H",
    "productMainImage": "https://m.media-amazon.com/images/I/31kTNmpm6vL.jpg",
    "productTitle": "PlayStation\u00ae5 console (slim)"
  },
  "success": true
}

5. Estimating Monthly Sales

The Amazon Product Estimate Sales endpoint provides an estimate of the number of units sold per month for a given product, offering insights into the category's overall market activity. This is particularly useful in assessing the potential profitability of entering a specific category.

Endpoint: /amazon-product-search-estimated-sells

Method: GET

Parameters:

  • asin (required): The ASIN of the product (e.g., "B08N5WRWNW").
  • marketplaceId (required): The Amazon marketplace ID (e.g., "A1PA6795UKMFR9").
  • api_key (required): Your SellerMagnet API key.

curl --location --request GET 'https://sellermagnet-api.com/amazon-product-search-estimated-sells?asin=B08N5WRWNW&marketplaceId=A1PA6795UKMFR9&api_key=YOUR_API_KEY'

Response Example:


{
  "data": {
    "asin": "B08N5WRWNW",
    "estimated_monthly_sales": 121
  },
  "success": true
}

Practical Use Cases

  • Identifying Emerging Trends: By monitoring bestseller lists across various categories using the Amazon Bestsellers endpoint, businesses can identify emerging trends and consumer preferences early on.
  • Assessing Competition: Using Amazon Product Lookup, analyze the top-selling products in your target category to understand their features, pricing, and seller profiles.
  • Optimizing Product Listings: Use the insights gained from category analysis to optimize your product listings, ensuring they are competitive and appealing to potential customers.

Advanced Strategies

  • Cross-Category Analysis: Explore related categories to identify complementary products or potential expansion opportunities.
  • Geographic Segmentation: Analyze category performance in different marketplaces using the appropriate marketplaceId to understand regional variations in demand.
  • Competitor Benchmarking: Compare your products against the top sellers in your category to identify areas for improvement and differentiation.

Conclusion

Analyzing Amazon product categories is crucial for strategic expansion and sustainable growth on the platform. By leveraging the SellerMagnet API, businesses can gain a data-driven understanding of market dynamics, competitive landscapes, and emerging trends. Start exploring today with a free trial.

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