Extract & Monitor Amazon
Seller Reviews & Feedback
Enterprise-grade API for real-time Amazon seller review extraction. Retrieve feedback ratings, review history, and seller reputation metrics across 23 global marketplaces with a single API call.
No credit card required · 500 free API credits · Cancel anytime
Comprehensive Seller Feedback Intelligence
Gain a competitive edge with real-time access to Amazon seller reviews, ratings, and reputation data. Build powerful analytics, due diligence tools, and marketplace monitoring platforms.
Track Seller Reputation Across Every Time Period
Access aggregated seller feedback ratings across 30-day, 90-day, 365-day, and lifetime periods. Track seller performance trends and reputation changes over time.
- 30-day, 90-day, 365-day & lifetime ratings
- Total review count per time period
- Trend analysis across rating windows
- Historical reputation scoring
Monitor Customer Sentiment in Real Time
Retrieve the most recent seller reviews including review text, star ratings, reviewer details, and dates. Monitor customer sentiment in real time across every marketplace.
- Last 5 reviews with full text
- Star rating & reviewer details
- Date-stamped feedback entries
- Real-time sentiment tracking
One API for Every Amazon Marketplace
Compare seller ratings across competitors and marketplace segments. Identify top-performing sellers and understand what drives positive customer feedback at scale across 23 regions.
- 23 Amazon marketplaces worldwide
- Unified schema across all regions
- Cross-marketplace seller comparison
- Multi-region due diligence in one call
Enterprise-Ready Seller Review Data
Purpose-built for ecommerce platforms, analytics providers, and marketplace operators who demand reliable, structured seller feedback data at scale.
Global Marketplace Coverage
Supports 23 Amazon marketplaces worldwide including US, UK, DE, FR, IT, ES, JP, CA, AU, IN, and more. One unified API for every Amazon region.
Sub-2s Response
Optimized infrastructure delivers seller review data in under 2 seconds, powering responsive user experiences.
Secure API Keys
Industry-standard API key authentication with full key management, rotation, and access control capabilities.
Structured JSON
Clean, normalized JSON responses with consistent schemas across all marketplace regions for easy integration.
RESTful Design
Standard REST conventions with predictable endpoints, HTTP status codes, and comprehensive error handling.
Seller Due Diligence
Evaluate third-party sellers before partnering or purchasing. Automate seller vetting with comprehensive review history and reputation scoring at enterprise scale.
Integrate in Minutes
Start extracting Amazon seller review data with just a few lines of code. Compatible with every programming language and HTTP client.
curl "https://sellermagnet-api.com/api/amazon-seller-review\ ?sellerId=A1CWSGXIR635I6\ &marketplaceId=ATVPDKIKX0DER\ &api_key=YOUR_API_KEY"
import requests response = requests.get( "https://sellermagnet-api.com/api/amazon-seller-review", params={ "sellerId": "A1CWSGXIR635I6", "marketplaceId": "ATVPDKIKX0DER", "api_key": "YOUR_API_KEY" } ) data = response.json() # Access seller feedback ratings feedback = data["data"]["marketplace"]["ATVPDKIKX0DER"] print(f"Lifetime Rating: {feedback['sellerFeedback']['lifetime']['rating']}") print(f"Total Reviews: {feedback['sellerFeedback']['lifetime']['reviewsCount']}") # Iterate recent reviews for review in feedback["last5Reviews"]: print(f"{review['starRating']} - {review['reviewText']}")
Endpoint Parameters & Response
Complete reference for the Amazon Seller Review API endpoint. All requests are authenticated via your API key.
GET https://sellermagnet-api.com/api/amazon-seller-review
| Parameter | Type | Required | Description |
|---|---|---|---|
sellerId |
string | Required | The unique Amazon Seller ID (e.g., A1CWSGXIR635I6). This is the alphanumeric identifier found on the seller's Amazon storefront page. |
marketplaceId |
string | Required | The Amazon marketplace identifier (e.g., ATVPDKIKX0DER for US). Determines which regional marketplace to query for seller feedback. |
api_key |
string | Required | Your unique SellerMagnet API key for authentication. Obtain yours by registering for a free account. |
{
"data": {
"marketplace": {
"ATVPDKIKX0DER": {
"last5Reviews": [
{
"dateRated": "By gary kraus on June 5, 2025.",
"reviewText": "great",
"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
}
Three Steps to Seller Insights
Get from zero to production-ready seller review data in under five minutes.
Create Your Free Account
Sign up and receive 500 free API credits instantly. No credit card required — start building immediately with full API access.
Send Your First Request
Make a GET request with the seller ID, marketplace ID, and your API key. Receive structured JSON with seller feedback data in under 2 seconds.
Scale with Confidence
Integrate into your platform, analytics pipeline, or monitoring system. Our infrastructure scales with your needs — from prototype to enterprise.
Built for Every Seller Intelligence Use Case
From marketplace operators to brand protection teams, our API powers diverse seller analytics workflows.
Marketplace Analysts
Track seller feedback trends over time to identify declining service quality, counterfeit risks, or emerging top sellers. Build alerting systems powered by real-time data.
Due Diligence Teams
Evaluate third-party sellers before partnering or purchasing. Automate seller vetting with comprehensive review history and reputation scoring at enterprise scale.
Competitive Intelligence
Compare seller ratings across competitors and marketplace segments. Identify top-performing sellers and understand what drives positive customer feedback at scale.
Ecommerce Platforms
Integrate seller reputation data directly into your marketplace, dropshipping tool, or seller analytics dashboard. Enrich your platform with trusted feedback signals.
23 Amazon Marketplaces Supported
US
UK
DE
FR
IT
ES
NL
BE
SE
PL
IE
TR
JP
IN
SG
AU
CA
MX
BR
AE
SA
EG
ZAFrequently Asked Questions
Everything you need to know about the Amazon Seller Review API.
The API returns comprehensive seller feedback data including: the last 5 recent reviews (with reviewer info, star rating, review text, and date), and aggregated seller feedback ratings across four time periods — 30 days, 90 days, 365 days, and lifetime. Each period includes the average rating and total review count.
The Amazon Seller ID is an alphanumeric string (e.g., A1CWSGXIR635I6) found on the seller's storefront URL on Amazon. You can also extract it from product listing pages under the "Sold by" section. Alternatively, use our Amazon Product Search API to programmatically retrieve the seller ID from any product listing.
The Amazon Seller Review API delivers responses in under 2 seconds on average. Our globally distributed infrastructure ensures consistently fast performance regardless of which Amazon marketplace you are querying. We maintain a 99.9% uptime SLA for enterprise reliability.
Absolutely. The Seller Review API is ideal for competitive analysis, seller benchmarking, and marketplace intelligence. Track competitor seller ratings over time, compare feedback trends across sellers, and identify top-performing sellers in any product category. Many of our clients use this data to power competitive intelligence dashboards and automated monitoring systems.
Yes. Our infrastructure is designed for enterprise-scale workloads. Whether you need to monitor hundreds or thousands of sellers, the API provides consistent performance with high rate limits on premium plans. We also offer dedicated infrastructure and custom SLAs for high-volume enterprise clients. Contact our sales team for custom enterprise plans.
We support all 23 Amazon marketplaces globally, including the United States, United Kingdom, Germany, France, Italy, Spain, Japan, Canada, Australia, India, and many more. See our documentation for the complete list of marketplace IDs.
Every new account receives 500 free API credits upon registration with no credit card required. This lets you test all endpoints with real Amazon data before committing to a paid plan.
Start Extracting Amazon Seller Reviews
Join thousands of businesses using SellerMagnet API to power their Amazon seller analytics. Get 500 free API credits — no credit card required.
500 free API credits • No credit card required • Cancel anytime