SellerMagnet API for Tracking Amazon Product Review Trends

Using SellerMagnet API to Track Amazon Product Review Trends

By Michael Chen | July 10, 2025

Unlock Competitive Advantages: Tracking Amazon Product Review Trends with SellerMagnet API

In the fast-paced world of e-commerce, staying ahead requires more than just listing products on Amazon. It demands a deep understanding of customer sentiment, competitor strategies, and market dynamics. For Amazon businesses and market analysts, product reviews are a goldmine of insights. This blog post explores how the SellerMagnet API ( https://sellermagnet-api.com ) can be leveraged to effectively track Amazon product review trends, giving you a competitive edge.

Why Track Amazon Product Review Trends?

Product reviews offer a direct line to customer perceptions, highlighting strengths and weaknesses of products. Tracking these trends allows you to:

  • Identify emerging issues: Spot negative trends early to address product defects or service problems.
  • Gauge customer sentiment: Understand overall satisfaction and identify areas for improvement.
  • Monitor competitor products: Analyze competitor reviews to identify their weaknesses and capitalize on market opportunities.
  • Optimize product listings: Refine product descriptions and features based on customer feedback.
  • Inform inventory management: Anticipate demand fluctuations based on review trends.

Leveraging SellerMagnet API for Review Trend Analysis

SellerMagnet API provides powerful endpoints to extract and analyze Amazon product data, including review information. Here's how you can use it:

1. Fetching Product Statistics: The Amazon Product Statistics Endpoint

The /amazon-product-statistics endpoint is your primary tool for gathering review data. It provides a snapshot of key metrics, including review counts and sales rank. By repeatedly querying this endpoint over time, you can build a historical record of review trends.

Endpoint: /amazon-product-statistics

Method: GET

Parameters:

  • asin (required): The Amazon Standard Identification Number (ASIN) of the product. Example: B08N5WRWNW
  • marketplaceId (required): The Amazon Marketplace ID. Example: A1PA6795UKMFR9
  • api_key (required): Your SellerMagnet API key.
  • graphs (optional): Set to true to generate visually appealing graphs of historical data.

Example Request (cURL):


curl --get 'https://sellermagnet-api.com/amazon-product-statistics'
 --data-urlencode 'asin=B08N5WRWNW'
 --data-urlencode 'marketplaceId=A1PA6795UKMFR9'
 --data-urlencode 'api_key=YOUR_API_KEY'
 --data-urlencode 'graphs=true'

Example Response:


{
  "success": true,
  "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
          ]
        ]
      },
      "A12FLY25DT7QO0": {
        "isFBA": false,
        "lastUpdated": "2025-06-14 17:08:00",
        "priceHistory": [
          [
            "2025-06-09 15:32:00",
            41800,
            0
          ]
        ],
        "stockHistory": [
          [
            "2025-06-14 13:34:00",
            49
          ]
        ]
      },
      "A18KSDUE00UP6J": {
        "isFBA": false,
        "lastUpdated": "2025-06-14 17:08:00",
        "priceHistory": [
          [
            "2025-05-29 11:32:00",
            42890,
            0
          ]
        ],
        "stockHistory": [
          [
            "2025-05-30 18:30:00",
            3
          ]
        ]
      }
    },
    "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
        ]
      ]
    }
  }
}

The productTotalReviews and productReviewAverage fields are key for monitoring trends. The `graphs` parameter, when set to `true`, returns URLs to images displaying historical trends for price, sales rank, and product rating, enabling quick visual analysis.

2. Monitoring Seller Reviews: The Amazon Seller Review Endpoint

To understand the quality of service and its impact on product perception, use the /amazon-seller-review endpoint to track seller feedback.

Endpoint: /amazon-seller-review

Method: GET

Parameters:

  • sellerId (required): The unique identifier for the Amazon seller. Example: A1B2C3D4E5F6G7
  • marketplaceId (required): The Amazon Marketplace ID. Example: A1PA6795UKMFR9
  • api_key (required): Your SellerMagnet API key.

Example Request (cURL):


curl --get 'https://sellermagnet-api.com/amazon-seller-review'
 --data-urlencode 'sellerId=A1CWSGXIR635I6'
 --data-urlencode 'marketplaceId=ATVPDKIKX0DER'
 --data-urlencode 'api_key=YOUR_API_KEY'

Example Response:


{
  "data": {
    "marketplace": {
      "ATVPDKIKX0DER": {
        "last5Reviews": [
          {
            "dateRated": "By gary kraus on June 5, 2025.",
            "reviewText": "great",
            "starRating": "5 out of 5 stars"
          },
          {
            "dateRated": "By Amazon Customer on June 5, 2025.",
            "reviewText": "Ok",
            "starRating": "5 out of 5 stars"
          },
          {
            "dateRated": "By Graciela Casta\u00f1eda on May 21, 2025.",
            "reviewText": "Excelente",
            "starRating": "5 out of 5 stars"
          }
        ],
        "sellerFeedback": {
          "30": {
            "rating": "3.3",
            "reviewsCount": "7"
          },
          "90": {
            "rating": "3.6",
            "reviewsCount": "30"
          },
          "365": {
            "rating": "3.9",
            "reviewsCount": "114"
          },
          "lifetime": {
            "rating": "4.5",
            "reviewsCount": "1,535"
          }
        }
      }
    },
    "sellerId": "A1CWSGXIR635I6"
  },
  "success": true
}

This endpoint provides recent reviews and aggregated feedback metrics (30, 90, 365 days, and lifetime), helping you assess the seller's reputation and its impact on product reviews.

3. Enhancing Product Analysis: The Amazon Product Lookup Endpoint

Supplement your review analysis with detailed product information using the /amazon-product-lookup endpoint. This provides key details that may influence reviews.

Endpoint: /amazon-product-lookup

Method: GET

Parameters:

  • asin (required): The Amazon Standard Identification Number (ASIN) of the product. Example: B0CL61F39H
  • marketplaceId (required): The Amazon Marketplace ID. Example: ATVPDKIKX0DER
  • api_key (required): Your SellerMagnet API key.

Example Request (cURL):


curl --get 'https://sellermagnet-api.com/amazon-product-lookup'
 --data-urlencode 'asin=B0CL61F39H'
 --data-urlencode 'marketplaceId=ATVPDKIKX0DER'
 --data-urlencode 'api_key=YOUR_API_KEY'

Example Response:


{
  "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)"
          }
        },
        {
          "asin": "B0CL5KNB9M",
          "attributes": {
            "Pattern Name": "PS5 Only",
            "Style": "PlayStation\u00ae5 Digital Edition (slim)"
          }
        },
        {
          "asin": "B0CL61F39H",
          "attributes": {
            "Pattern Name": "PS5 Only",
            "Style": "PlayStation\u00ae5 console (slim)"
          }
        },
        {
          "asin": "B0F691TJTP",
          "attributes": {
            "Pattern Name": "PS5 w/ Black Ops Bundle",
            "Style": "PlayStation\u00ae5 console (slim)"
          }
        },
        {
          "asin": "B0FD54CGQ8",
          "attributes": {
            "Pattern Name": "PS5 w/ $100 PlayStation Store GC",
            "Style": "PlayStation\u00ae5 Digital Edition (slim)"
          }
        },
        {
          "asin": "B0FD4WGVH5",
          "attributes": {
            "Pattern Name": "PS5 w/ $100 PlayStation Store GC",
            "Style": "PlayStation\u00ae5 console (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
}

Relevant data points include product details, best seller rank, and product variations, all of which can be correlated with customer reviews for a holistic analysis.

4. Identifying Product Opportunities : The Amazon Search Endpoint

The /amazon-search endpoint can be used to identify trending products within a specific niche or category. By monitoring search results and correlating them with review trends, you can uncover new product opportunities and market gaps.

Endpoint: /amazon-search

Method: GET

Parameters:

  • q (required): Search query (e.g., "phone").
  • marketplaceId (required): The Amazon Marketplace ID. Example: A1PA6795UKMFR9
  • count (optional): Number of results (max 50, default 30).
  • geo_location (optional): Detailed Geo Location ZIP CODE.
  • api_key (required): Your SellerMagnet API key.

Example Request (cURL):


curl --get 'https://sellermagnet-api.com/amazon-search'
 --data-urlencode 'q=PlayStation 5'
 --data-urlencode 'marketplaceId=ATVPDKIKX0DER'
 --data-urlencode 'count=3'
 --data-urlencode 'api_key=YOUR_API_KEY'

Example Response:


{
  "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": "$",
            "total": "449.00"
          }
        },
        "mainImage": "https://m.media-amazon.com/images/I/51fM0CKG+HL._AC_UY218_.jpg",
        "on_sale": false,
        "position": 1,
        "productTitle": "PlayStation\u00ae5 Digital Edition (slim)",
        "reviewAmount": 7209,
        "reviewRating": 4.7,
        "sponsored": false
      },
      {
        "asin": "B0DGY63Z2H",
        "discount_info": "",
        "link": "https://www.amazon.com/dp/B0DGY63Z2H",
        "listingPrice": {
          "price": {
            "currency_code": "USD",
            "currency_name": "United States Dollar",
            "currency_symbol": "$",
            "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
      },
      {
        "asin": "B0CV4JW8XM",
        "discount_info": "",
        "link": "https://www.amazon.com/dp/B0CV4JW8XM",
        "listingPrice": {
          "price": {
            "currency_code": "USD",
            "currency_name": "United States Dollar",
            "currency_symbol": "$",
            "total": "77.16"
          }
        },
        "mainImage": "https://m.media-amazon.com/images/I/81BjQjGll8L._AC_UY218_.jpg",
        "on_sale": false,
        "position": 3,
        "productTitle": "PlayStation Stellar Blade",
        "reviewAmount": 405,
        "reviewRating": 4.7,
        "sponsored": false
      }
    ]
  },
  "success": true
}

Practical Use Cases

  • Competitive Analysis: Track review trends for competitor products to identify weaknesses and opportunities to differentiate your offerings.
  • Product Improvement: Analyze negative review trends to pinpoint areas for product enhancements and new feature development.
  • Inventory Management: Predict demand fluctuations based on review sentiment and adjust inventory levels accordingly.
  • Reputation Management: Monitor seller reviews to address customer concerns promptly and maintain a positive brand image.

Building a Review Tracking System

To automate review trend analysis, consider building a system that:

  • Collects data: Schedule regular API calls to the /amazon-product-statistics endpoint using DataPipeline.
  • Stores data: Store the collected data in a database for historical analysis.
  • Analyzes data: Use statistical methods to identify significant trends in review counts and ratings.
  • Visualizes data: Create charts and graphs to visualize review trends over time, making it easier to identify patterns.
  • Alerts: Set up alerts to notify you of sudden drops in ratings or spikes in negative reviews.

Additional SellerMagnet API Endpoints for Enhanced Analysis

Explore these additional endpoints to gain a deeper understanding of the Amazon marketplace:

Conclusion

Tracking Amazon product review trends is crucial for businesses seeking a competitive advantage. The SellerMagnet API provides the tools necessary to extract, analyze, and visualize review data, empowering you to make informed decisions, optimize your product offerings, and maintain a positive brand reputation. Start leveraging the power of review trend analysis today with SellerMagnet API.

For further information, explore our Documentation, review Code Examples, and don't hesitate to Contact us with any questions. Ready to get started? Try Free.

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