SellerMagnetAPI Detecting Amazon Product Listing Duplicates

Detecting Amazon Product Listing Duplicates with SellerMagnetAPI

By Emma Johnson | July 19, 2025

Detecting Amazon Product Listing Duplicates with SellerMagnetAPI

In the competitive landscape of Amazon, maintaining a clean and accurate product catalog is crucial for success. Duplicate product listings not only dilute your sales but also negatively impact the customer experience and your search rankings. Identifying and managing these duplicates can be a complex task. Fortunately, with SellerMagnetAPI, Amazon businesses and market analysts can efficiently detect and handle product listing duplicates to optimize inventory management, market research, and competitive analysis. Our API provides the tools necessary to ensure your product catalog is streamlined and effective.

Why Detecting Duplicate Listings Matters

Duplicate listings on Amazon can arise from various sources, including:

  • Seller Errors: Accidental re-listings or variations in product details.
  • Data Inconsistencies: Differences in product titles, descriptions, or specifications.
  • Competitive Sabotage: Malicious attempts to flood the market with identical listings.

Addressing these duplicates is essential for several reasons:

  • Improved Customer Experience: Reduces confusion and enhances trust in your brand.
  • Enhanced Search Ranking: Streamlines product visibility and improves SEO.
  • Optimized Inventory Management: Prevents overstocking and inaccurate sales predictions.
  • Competitive Advantage: Allows you to focus on unique offerings and value propositions.

How SellerMagnetAPI Helps Detect Duplicates

SellerMagnetAPI offers a suite of tools that simplifies the detection of Amazon product listing duplicates. By leveraging our Amazon Product Lookup, Amazon Search, and Amazon Product Statistics endpoints, you can identify potential duplicates based on various criteria.

1. Identifying Potential Duplicates Using Amazon Search

Start by using the Amazon Search endpoint to find products matching specific keywords. This can help you identify multiple listings for the same or similar products.


curl --location --request GET 'https://sellermagnet-api.com/amazon-search?q=Playstation%205&marketplaceId=ATVPDKIKX0DER&api_key=YOUR_API_KEY'

Response Example:


{
  "data": {
    "searchResults": [
      {
        "asin": "B0CL5KNB9M",
        "discount_info": "",
        "link": "https://www.amazon.com/dp/B0CL5KNB9M",
        "listingPrice": {
          "price": {
            "currency_code": "USD",
            "currency_name": "United States Dollar",
            "currency_symbol": "$",
            "total": "449.00"
          }
        },
        "mainImage": "https://m.media-amazon.com/images/I/51fM0CKG+HL._AC_UY218_.jpg",
        "on_sale": false,
        "position": 1,
        "productTitle": "PlayStation	5 Digital Edition (slim)",
        "reviewAmount": 7209,
        "reviewRating": 4.7,
        "sponsored": false
      },
      {
        "asin": "B0DGY63Z2H",
        "discount_info": "",
        "link": "https://www.amazon.com/dp/B0DGY63Z2H",
        "listingPrice": {
          "price": {
            "currency_code": "USD",
            "currency_name": "United States Dollar",
            "currency_symbol": "$",
            "total": "699.00"
          }
        },
        "mainImage": "https://m.media-amazon.com/images/I/61vR3ovb2UL._AC_UY218_.jpg",
        "on_sale": false,
        "position": 2,
        "productTitle": "PlayStation 5 Pro Console",
        "reviewAmount": 1373,
        "reviewRating": 4.4,
        "sponsored": false
      }
    ]
  },
  "success": true
}

Analyze the searchResults array for listings with similar productTitle and mainImage. Note the ASINs of potential duplicates for further investigation.

2. Verifying Duplicates with Amazon Product Lookup

Once you've identified potential duplicates, use the Amazon Product Lookup endpoint to retrieve detailed information for each ASIN. This allows you to compare product specifications, descriptions, and other attributes to confirm if they are indeed duplicates.


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

Response Example:


{
  "data": {
    "productInfo": {
      "additionalDetails": {
        "ASIN": "B0CL61F39H",
        "Batteries": "1 Lithium Ion batteries required. (included)",
        "Best Sellers Rank": "Nr. 31 in Video Games Nr. 1 in PlayStation 5 Consoles",
        "Customer Rating": "4.7 out of 5 stars",
        "Date First Available": "December 10, 2023",
        "Item Weight": "10.6 pounds",
        "Item model number": "CFI-2015",
        "Manufacturer": "Sony",
        "Number of Reviews": "7,092 ratings",
        "Product Dimensions": "14 x 17 x 7 inches; 10.6 Pounds",
        "Release date": "December 10, 2023",
        "Type of item": "Video Game"
      },
      "asin": "B0CL61F39H",
      "bestsellerRanks": {
        "main_category": {
          "name": "Video Games",
          "rank": 31
        },
        "subcategory": {
          "name": "PlayStation",
          "rank": 1
        }
      },
      "bulletPoints": [
        "Model Number CFI-2000",
        "Includes DualSense Wireless Controller, 1TB SSD, Disc Drive, 2 Horizontal Stand Feet, HDMI Cable, AC power cord, USB cable, printed materials, ASTRO\u2019s PLAYROOM (Pre-installed game)",
        "Vertical Stand sold separately"
      ],
      "buyBoxInfo": {
        "currencyCode": "USD",
        "currencyName": "United States Dollar",
        "currencySymbol": "$",
        "price": 444.99,
        "sellerId": "A3853PJW50SJG8"
      },
      "categories": {
        "bestsellerCategory": [
          {
            "id": "20972781011",
            "index": 1,
            "name": "PlayStation 5",
            "url": "https://www.amazon.com/b/ref=dp_bc_2?ie=UTF8&node=20972781011"
          },
          {
            "id": "20972796011",
            "index": 2,
            "name": "Consoles",
            "url": "https://www.amazon.com/b/ref=dp_bc_3?ie=UTF8&node=20972796011"
          }
        ],
        "rootCategory": {
          "id": "468642",
          "name": "Video Games",
          "url": "https://www.amazon.com/computer-video-games-hardware-accessories/b/ref=dp_bc_1?ie=UTF8&node=468642"
        }
      },
      "description": [
        "Model Number CFI-2000",
        "Includes DualSense Wireless Controller, 1TB SSD, Disc Drive, 2 Horizontal Stand Feet, HDMI Cable, AC power cord, USB cable, printed materials, ASTRO\u2019s PLAYROOM (Pre-installed game)",
        "Vertical Stand sold separately",
        "The PS5 console unleashes new gaming possibilities that you never anticipated. Experience lightning fast loading with an ultra-high speed SSD, deeper immersion with support for haptic feedback, adaptive triggers, and 3D Audio*, and an all-new generation of incredible PlayStation games. Lightning Speed - Harness the power of a custom CPU, GPU, and SSD with Integrated I/O that rewrite the rules of what a PlayStation console can do. Stunning Games - Marvel at incredible graphics and experience new PS5 features. Play a back catalog of supported PS4 games. Breathtaking Immersion - Discover a deeper gaming experience with support for haptic feedback, adaptive triggers, and 3D Audio technology. Vertical stand sold separately. *3D audio via built-in TV speakers or analog/USB stereo headphones. Set up and latest system software update required."
      ],
      "details": {
        "ASIN": "B0CL61F39H",
        "Batteries": "1 Lithium Ion batteries required. (included)",
        "Date First Available": "December 10, 2023",
        "Item Weight": "10.6 pounds",
        "Item model number": "CFI-2015",
        "Manufacturer": "Sony",
        "Platform": "PlayStation 5",
        "Product Dimensions": "14 x 17 x 7 inches; 10.6 Pounds",
        "Release date": "December 10, 2023",
        "Type of item": "Video Game"
      },
      "hasAPlusContent": true,
      "images": [
        "https://m.media-amazon.com/images/I/41ECK5cY-2L._SL1000_.jpg",
        "https://m.media-amazon.com/images/I/41srF-iY93L._SL1000_.jpg",
        "https://m.media-amazon.com/images/I/41tVr19I3zL._SL1000_.jpg",
        "https://m.media-amazon.com/images/I/41HMaO9jO3L._SL1000_.jpg",
        "https://m.media-amazon.com/images/I/61e8hPmeoYL._SL1000_.jpg",
        "https://m.media-amazon.com/images/I/61Gj1Kc5R5L._SL1000_.jpg",
        "https://m.media-amazon.com/images/I/61r6PutKGwL._SL1000_.jpg",
        "https://m.media-amazon.com/images/I/717Id5h1fhL._SL1000_.jpg"
      ],
      "link": "https://www.amazon.com/dp/B0CL61F39H",
      "listedSinceDate": "2023-12-10",
      "mainImage": "https://m.media-amazon.com/images/I/31kTNmpm6vL.jpg",
      "marketplaceId": "ATVPDKIKX0DER",
      "reviews": {
        "averageRating": 4.7,
        "reviewSummary": "4.7 out of 5 stars",
        "totalReviews": 7092
      },
      "title": "PlayStation\u00ae5 console (slim)",
      "variations": [
        {
          "asin": "B0F6968Y5G",
          "attributes": {
            "Pattern Name": "PS5 w/ Black Ops Bundle",
            "Style": "PlayStation\u00ae5 Digital Edition (slim)"
          }
        }
      ],
      "videos": [
        "https://m.media-amazon.com/S/vse-vms-transcoding-artifact-us-east-1-prod/8af0ddf1-55f5-4e71-9463-39602c3edbae/default.jobtemplate.hls.m3u8",
        "https://m.media-amazon.com/S/vse-vms-transcoding-artifact-us-east-1-prod/50938d5c-2a9b-427a-b766-21b7cd63502e/default.jobtemplate.hls.m3u8"
      ]
    }
  },
  "success": true
}

Compare the productInfo fields, such as description, bulletPoints, and details. If these are identical or very similar across multiple ASINs, you've likely found a duplicate listing.

3. Analyzing Product Statistics

Use the Amazon Product Statistics endpoint to compare sales rank, review counts, and other metrics across potential duplicates. Significant differences in these stats may indicate variations rather than true duplicates, helping you refine your analysis.


curl --location --request GET 'https://sellermagnet-api.com/amazon-product-statistics?asin=B0CLTBHXWQ&marketplaceId=APJ6JRA9NG5V4&api_key=YOUR_API_KEY'

Response Example:


{
  "data": {
    "asin": "B0CLTBHXWQ",
    "productTitle": "Playstation 5 Console Edizione Digital Slim",
    "buyBoxPrice": 41800,
    "buyBoxFulfillment": "FBM",
    "buyBoxSellerIdHistory": [
      [
        "2025-06-14 17:08:00",
        "A2I59UVTUWUFH0"
      ]
    ],
    "categoryTree": [
      {
        "catId": 412603031,
        "name": "Videogiochi"
      },
      {
        "catId": 20904349031,
        "name": "PlayStation 5"
      },
      {
        "catId": 20904364031,
        "name": "Console"
      }
    ],
    "graphs": {
      "amazonAsSellerPriceHistory": "https://sellermagnet-api-webspace.s3.eu-central-1.amazonaws.com/amazon/api/charts/B0CLTBHXWQ/1749913774/B0CLTBHXWQ_amazon_price_1749913773.png",
      "lowestFBAPriceHistory": "https://sellermagnet-api-webspace.s3.eu-central-1.amazonaws.com/amazon/api/charts/B0CLTBHXWQ/1749913776/B0CLTBHXWQ_fba_price_1749913773.png",
      "lowestFBMPriceHistory": "https://sellermagnet-api-webspace.s3.eu-central-1.amazonaws.com/amazon/api/charts/B0CLTBHXWQ/1749913775/B0CLTBHXWQ_fbm_price_1749913773.png",
      "monthlySoldHistory": "https://sellermagnet-api-webspace.s3.eu-central-1.amazonaws.com/amazon/api/charts/B0CLTBHXWQ/1749913778/B0CLTBHXWQ_monthly_sold_1749913773.png",
      "productRatingHistory": "https://sellermagnet-api-webspace.s3.eu-central-1.amazonaws.com/amazon/api/charts/B0CLTBHXWQ/1749913777/B0CLTBHXWQ_rating_1749913773.png"
    },
    "listedSince": "2023-12-30 01:00:00",
    "lowestFBAPrice": 44999,
    "lowestFBMPrice": 41700,
    "marketplaceId": "APJ6JRA9NG5V4",
    "marketplaceNewPriceHistory": [
      [
        "2025-06-14",
        41700
      ]
    ],
    "offers": {
      "A11IL2PNWYJU7H": {
        "isFBA": true,
        "lastUpdated": "2025-06-14 17:08:00",
        "priceHistory": [
          [
            "2025-06-14 06:22:00",
            44999,
            0
          ]
        ],
        "stockHistory": [
          [
            "2025-05-29 11:32:00",
            1
          ]
        ]
      }
    },
    "productReviewAverage": 4.7,
    "productTotalReviews": 3129,
    "rootCategory": {
      "id": 412603031,
      "name": "Videogiochi"
    },
    "stats": {
      "amazonAsSellerPriceHistory": [
        [
          "2025-06-14",
          44999
        ]
      ],
      "buyBoxPriceHistory": [
        [
          "2025-06-13",
          41700
        ]
      ],
      "monthlySoldHistory": [
        [
          "2025-06",
          1000
        ]
      ],
      "productRatingCountHistory": [
        [
          "2025-06-14 15:28:00",
          3129
        ]
      ],
      "productRatingHistory": [
        [
          "2025-02-02 01:30:00",
          4.7
        ]
      ],
      "salesRankHistory": [
        [
          "2025-06-14 01:58:00",
          15
        ]
      ]
    }
  },
  "success": true
}

Practical Use Cases

  • Competitive Analysis: Identify instances where competitors might be creating duplicate listings to gain an unfair advantage.
  • Inventory Management: Prevent inaccuracies in inventory counts by ensuring each unique product is listed only once.
  • Market Research: Gain a clearer understanding of product performance by consolidating data from genuine listings.

Automating Duplicate Detection with DataPipeline

For large-scale operations, consider using SellerMagnetAPI’s DataPipeline feature to automate the duplicate detection process. Set up scheduled tasks to regularly scan your product catalog and flag potential duplicates for review. This proactive approach ensures your listings remain optimized and compliant.

Leveraging ASIN Conversion for Enhanced Accuracy

In some cases, duplicates may exist under different identifiers. Use the Amazon ASIN/ISBN/EAN Converter endpoint to convert between ASINs and EANs. This ensures comprehensive identification of duplicates, even when listed with different identifiers.


curl --location --request GET 'https://sellermagnet-api.com/amazon-asin-converter?asin=B0CLTBHXWQ&marketplaceId=APJ6JRA9NG5V4&conversion_direction=asin-to-ean&api_key=YOUR_API_KEY'

Response Example:


{
  "data": {
    "asin": "B0CLTBHXWQ",
    "eanList": [
      "0711719577294"
    ],
    "listedSince": "2023-12-30 01:00:00",
    "productTitle": "Playstation 5 Console Edizione Digital Slim"
  },
  "success": true
}

Conclusion

Detecting and managing Amazon product listing duplicates is essential for maintaining a competitive edge, enhancing customer experience, and optimizing inventory management. With SellerMagnetAPI, you have a powerful suite of tools at your disposal to efficiently identify and address these duplicates. Streamline your product catalog, improve your search rankings, and drive more sales by leveraging the comprehensive data and automation capabilities of SellerMagnetAPI.

Ready to optimize your Amazon product catalog? Try Free today and experience the power of SellerMagnetAPI!

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