Optimize Amazon Inventory Turnover with SellerMagnet API
Efficient inventory management is crucial for success on Amazon. Overstocking ties up capital, while stockouts lead to lost sales and damage brand reputation. Achieving optimal inventory turnover requires data-driven decisions. The SellerMagnet API provides the comprehensive data you need to streamline your Amazon operations. This post explores how to leverage SellerMagnet API to optimize your inventory turnover and maximize profitability.
Understanding Inventory Turnover
Inventory turnover measures how many times a business sells and replenishes its inventory over a specific period. A high turnover rate indicates strong sales and efficient inventory management, while a low rate may signal overstocking or slow-moving products. Optimizing this metric can significantly impact your bottom line.
How SellerMagnet API Helps
SellerMagnet API offers a suite of tools to analyze product performance, track competitor strategies, and forecast demand, enabling you to make informed decisions about inventory levels. Here are some practical use cases:
1. Monitoring Product Performance
Use the Amazon Product Statistics endpoint to monitor sales rank, review counts, and other key metrics for your products. This helps identify top-performing items and potential slow-movers.
Endpoint: /amazon-product-statistics
Method: GET
Parameters:
asin(required): Product ASIN (e.g., "B08N5WRWNW")marketplaceId(required): Marketplace ID (e.g., "A1PA6795UKMFR9")api_key(required): Your API key
curl 'https://sellermagnet-api.com/amazon-product-statistics?asin=B08N5WRWNW&marketplaceId=A1PA6795UKMFR9&api_key=YOUR_API_KEY'Response Example:
{
"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
]
]
}
}
}
2. Forecasting Demand
Utilize the Amazon Product Search Estimated Sells endpoint to estimate monthly sales volume. By combining this data with historical sales data, you can predict future demand and adjust inventory levels accordingly.
Endpoint: /amazon-product-search-estimated-sells
Method: GET
Parameters:
asin(required): Product ASIN (e.g., "B08N5WRWNW")marketplaceId(required): Marketplace ID (e.g., "A1PA6795UKMFR9")api_key(required): Your API key
curl 'https://sellermagnet-api.com/amazon-product-search-estimated-sells?asin=B08N5WRWNW&marketplaceId=A1PA6795UKMFR9&api_key=YOUR_API_KEY'Response Example:
{
"success": true,
"data": {
"asin": "B08N5WRWNW",
"estimated_monthly_sales": 121
}
}
3. Competitive Analysis
The Amazon Product Offers endpoint lets you monitor competitor pricing, inventory levels, and fulfillment methods. This information helps you price your products competitively and optimize your inventory strategy.
Endpoint: /amazon-product-offers
Method: GET
Parameters:
asin(required): Product ASIN (e.g., "B08N5WRWNW")marketplaceId(required): Marketplace ID (e.g., "A1PA6795UKMFR9")api_key(required): Your API key
curl 'https://sellermagnet-api.com/amazon-product-offers?asin=B08N5WRWNW&marketplaceId=A1PA6795UKMFR9&api_key=YOUR_API_KEY'Response Example:
{
"success": true,
"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
},
{
"condition": "Used - Very Good",
"deliveryDate": "2025-07-07",
"fulfillmentType": "FBM",
"inventory": 10,
"positivePercentage": 78,
"priceWithoutShipping": 409.99,
"sellerId": "A17J18A7XABQI9",
"sellerName": "PRICE 2 SAVE",
"shippingPrice": 0,
"totalPrice": 409.99,
"totalReviews": 6892
},
{
"condition": "Used - Good",
"deliveryDate": "2025-06-26",
"fulfillmentType": "FBM",
"inventory": 1,
"positivePercentage": 87,
"priceWithoutShipping": 409.99,
"sellerId": "A1YU28SVL05CUG",
"sellerName": "premier liquidation",
"shippingPrice": 9.84,
"totalPrice": 419.83,
"totalReviews": 1177
},
{
"condition": "Used - Very Good",
"deliveryDate": "2025-06-30",
"fulfillmentType": "FBM",
"inventory": 1,
"positivePercentage": 40,
"priceWithoutShipping": 418.99,
"sellerId": "A2NBVGK6C0HCUA",
"sellerName": "Fix N Plug",
"shippingPrice": 3.99,
"totalPrice": 422.98,
"totalReviews": 30
},
{
"condition": "Used - Good",
"deliveryDate": "2025-06-30",
"fulfillmentType": "FBM",
"inventory": 1,
"positivePercentage": 94,
"priceWithoutShipping": 423.99,
"sellerId": "AZZMAGMBAQU46",
"sellerName": "VG1shop (Serial # Recorded)",
"shippingPrice": 3.99,
"totalPrice": 427.98,
"totalReviews": 163
},
{
"condition": "Used - Acceptable",
"deliveryDate": "2025-06-28",
"fulfillmentType": "FBM",
"inventory": 1,
"positivePercentage": 0,
"priceWithoutShipping": 433.85,
"sellerId": "Amazon",
"sellerName": "Amazon Resale",
"shippingPrice": 0,
"totalPrice": 433.85,
"totalReviews": 0
},
{
"condition": "Used - Very Good",
"deliveryDate": "2025-07-01",
"fulfillmentType": "FBM",
"inventory": 1,
"positivePercentage": 73,
"priceWithoutShipping": 419.99,
"sellerId": "AO9EU0V84CET9",
"sellerName": "StarEdge Electronics",
"shippingPrice": 15.75,
"totalPrice": 435.74,
"totalReviews": 154
},
{
"condition": "Used - Very Good",
"deliveryDate": "2025-06-27",
"fulfillmentType": "FBM",
"inventory": 2,
"positivePercentage": 74,
"priceWithoutShipping": 441.49,
"sellerId": "A2E7NH3SLWCOH4",
"sellerName": "Tech for Less",
"shippingPrice": 0,
"totalPrice": 441.49,
"totalReviews": 56746
},
{
"condition": "Used - Very Good",
"deliveryDate": "2025-06-27",
"fulfillmentType": "FBM",
"inventory": 1,
"positivePercentage": 84,
"priceWithoutShipping": 443.7,
"sellerId": "A3JEKQLX9Y2C9L",
"sellerName": "SaveCentral",
"shippingPrice": 0,
"totalPrice": 443.7,
"totalReviews": 7483
},
{
"condition": "Used - Like New",
"deliveryDate": "2025-06-27",
"fulfillmentType": "FBM",
"inventory": 2,
"positivePercentage": 80,
"priceWithoutShipping": 439.99,
"sellerId": "A1KOYPV53GXGUI",
"sellerName": "JRS GAMES",
"shippingPrice": 3.99,
"totalPrice": 443.98,
"totalReviews": 81
},
{
"condition": "Used - Very Good",
"deliveryDate": "2025-06-28",
"fulfillmentType": "FBA",
"inventory": 8,
"positivePercentage": 82,
"priceWithoutShipping": 444.99,
"sellerId": "A3853PJW50SJG8",
"sellerName": "Wardyga Management Services LLC",
"shippingPrice": 0,
"totalPrice": 444.99,
"totalReviews": 60
}
],
"productLink": "https://www.amazon.com/dp/B0CL61F39H",
"productMainImage": "https://m.media-amazon.com/images/I/31kTNmpm6vL.jpg",
"productTitle": "PlayStation
5 console (slim)"
}
}
4. Identifying Slow-Moving Inventory
Products with consistently low sales ranks and stagnant review counts are likely slow-moving. Use the Amazon Product Lookup to gather comprehensive product details and identify potential issues.
Endpoint: /amazon-product-lookup
Method: GET
Parameters:
asin(required): Product ASIN (e.g., "B08N5WRWNW")marketplaceId(required): Marketplace ID (e.g., "A1PA6795UKMFR9")api_key(required): Your API key
curl 'https://sellermagnet-api.com/amazon-product-lookup?asin=B08N5WRWNW&marketplaceId=A1PA6795UKMFR9&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)"
}
},
{
"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
}
Additional Strategies for Inventory Optimization
- Pricing Strategies: Dynamically adjust prices based on demand and competitor pricing using real-time data from SellerMagnet API.
- Bundle and Promotion Opportunities: Identify opportunities to bundle slow-moving items with popular products to clear inventory.
- Automated Alerts: Set up alerts for key inventory metrics to proactively manage stock levels. Consider leveraging a DataPipeline to automate repetitive tasks.
Conclusion
Optimizing inventory turnover is critical for Amazon businesses seeking to maximize profitability and maintain a competitive edge. The SellerMagnet API provides the data and tools necessary to make informed decisions about inventory levels, pricing, and promotions. By leveraging these powerful endpoints, you can streamline your operations, reduce costs, and improve your bottom line. Start optimizing your Amazon inventory turnover today with SellerMagnet API. To see other use cases, view Code Examples.