SellerMagnet API for Amazon Seller Review Monitoring

Monitoring Amazon Seller Reviews with SellerMagnet API

By Alex Rodriguez | July 09, 2025

Monitoring Amazon Seller Reviews with SellerMagnet API

In the competitive landscape of Amazon, maintaining a stellar reputation is crucial for success. Seller reviews are a direct reflection of customer satisfaction and significantly influence purchasing decisions. Effective monitoring of these reviews enables businesses to address issues promptly, improve product quality, and enhance overall customer experience. SellerMagnet API offers a robust solution for businesses and market analysts to monitor, analyze, and leverage seller reviews for competitive advantage.

Why Monitor Amazon Seller Reviews?

  • Reputation Management: Address negative feedback quickly to mitigate potential damage.
  • Competitive Analysis: Understand how you stack up against competitors based on customer reviews.
  • Product Improvement: Identify recurring issues in reviews to improve product quality and features.
  • Customer Insights: Gain valuable insights into customer preferences and expectations.

Introducing SellerMagnet API for Amazon Seller Review Monitoring

SellerMagnet API provides real-time data and analytics, empowering businesses to make informed decisions. With SellerMagnet API, you can efficiently monitor seller reviews, track performance metrics, and gain a competitive edge in the Amazon marketplace.

Key Features and Use Cases

1. Real-Time Review Monitoring

Stay updated with the latest customer feedback. The Amazon Seller Review endpoint allows you to fetch recent reviews and overall feedback metrics for any seller on Amazon.


curl --location --request GET 'https://sellermagnet-api.com/amazon-seller-review?sellerId=A1B2C3D4E5F6G7&marketplaceId=ATVPDKIKX0DER&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
}

2. Competitive Benchmarking

Understand your competitive standing by comparing your reviews and ratings against those of your competitors. Monitor their feedback trends over time to identify opportunities for improvement.

Utilize the Amazon Seller Review endpoint to gather feedback on competitors by using their Seller ID. Couple this information with the Amazon Product Offers API to monitor pricing and inventory strategies alongside review sentiment.

3. Product Performance Analysis

Identify correlations between product reviews and sales performance. The Amazon Product Statistics endpoint provides insights into sales rank, review counts, and other critical metrics.


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

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
        ]
      ]
    }
  }
}

4. Automated Alerts

Set up automated alerts to receive notifications when negative reviews are posted or when your competitor's ratings change significantly. This allows you to respond quickly to emerging issues.

While SellerMagnet API does not directly offer alert functionalities, its DataPipeline feature can be configured to periodically check for new reviews or changes in feedback using the Amazon Seller Review endpoint. Combine this with your notification system for automated alerts.

5. Sentiment Analysis

Gain deeper insights into the emotional tone of reviews. While SellerMagnet API provides the raw review data, you can integrate it with sentiment analysis tools to automatically classify reviews as positive, negative, or neutral. This helps you quickly identify critical issues and trends.

How to Get Started with SellerMagnet API

  1. Sign Up: Create an account at Try Free to get your API key.
  2. Explore Documentation: Refer to our comprehensive Documentation for detailed information on endpoints, parameters, and response formats.
  3. Test Endpoints: Use the provided code examples and response examples to test the API endpoints.
  4. Integrate into Your System: Incorporate SellerMagnet API into your existing systems for seamless monitoring and analysis.

Enhancing Your Amazon Strategy with SellerMagnet API

  • Inventory Management: Combine review insights with Amazon Product Offers data to optimize inventory based on customer satisfaction.
  • Pricing Strategy: Align pricing strategies with customer feedback to improve sales and profitability.
  • Product Development: Use review data to inform product development and innovation efforts.

Legally Compliant and Ethical Practices

SellerMagnet API is designed to provide data in a legally compliant and ethical manner. We adhere to Amazon's terms of service and ensure that all data is collected responsibly, avoiding any copyrighted content or unethical practices.

Conclusion

Monitoring Amazon seller reviews is essential for maintaining a strong reputation, understanding customer preferences, and gaining a competitive advantage. SellerMagnet API offers a powerful and efficient solution for businesses and market analysts to monitor, analyze, and leverage seller reviews. Sign up today and start transforming your Amazon strategy with real-time data and actionable insights.

Stay ahead of the competition with SellerMagnet's advanced Amazon data solutions. Check our Pricing and Blog for more updates!

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