Amazon Related ASINs API

REST API and MCP service documentation generated from server-side API definitions. Responses use the shared code, msg, and data envelope.

API selector

Amazon Marketplace Intelligence

API overview

Find same-niche Amazon competitors by ASIN using conversion, click, sales, review, rating, price, and margin filters.

Try this API

Endpoint

https://api.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run

MCP method

nexscope_amazon_related_asins

Authentication

All run endpoints require a user API key. Send it as a bearer token in the Authorization header.

Authorization: Bearer nk-xxxxxxxxxxxxxxxxx

Missing or invalid API keys return an authentication error. Manage keys from .

POSThttps://api.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run

Run an API

Request parameters documented by ecommerce.amazon-related-asins.

Slug	`amazon-related-asins`
Headers	`Authorization: Bearer nk-...` `Content-Type: application/json`
Request body	API-specific JSON object.
Response body	Platform envelope: code, msg, data, ts, time, cost, traceId. Inspect data.status for asynchronous completion.

Status codes

Code	Description
200	HTTP request completed. Check JSON code; only 0 indicates business success or acceptance.
400	Request JSON or required API parameters are invalid.
401	API key is missing, invalid, or cannot be matched to a user.
5xx	API execution or upstream service failed.

Example request

curl -X POST https://api.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run \
  -H "Authorization: Bearer nk-xxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{   "page": 1,   "pageSize": 10,   "countryCode": "US",   "asin": "B072MQ5BRX" }'

All categories/ Amazon Marketplace Intelligence

POSThttps://api.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run

Run this API

Send a JSON request to execute this API and receive the documented response payload.

Open tester

Endpoint

Method	`POST`
Path	`https://api.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run`
Auth	`Bearer API key`
Content-Type	`application/json`

Request body

Name	Type	Required	Description
`asin`	`string`	required	Reference ASIN, used to query competitor listings that belong to the same niche as this ASIN, max length 1000 characters Example: B072MQ5BRX
`countryCode`	`string`	optional	Country code, options: US (United States), JP (Japan), DE (Germany)
`page`	`integer`	optional	Page number (starting from 1) Example: 1
`pageSize`	`integer`	optional	Items returned per page (10-100) Example: 10
`sortField`	`string`	optional	Sort field (see sort options below)
`sortType`	`string`	optional	Sort direction: desc (descending) or asc (ascending)
`priceMin`	`number`	optional	Minimum product price Example: 1
`priceMax`	`number`	optional	Maximum product price Example: 1
`fbaFeeMin`	`number`	optional	Minimum FBA fee Example: 1
`fbaFeeMax`	`number`	optional	Maximum FBA fee Example: 1
`grossProfitMarginMin`	`number`	optional	Minimum gross profit margin Example: 1
`grossProfitMarginMax`	`number`	optional	Maximum gross profit margin Example: 1
`totalReviewsMin`	`integer`	optional	Minimum review count Example: 1
`totalReviewsMax`	`integer`	optional	Maximum review count Example: 1
`customerRatingMin`	`number`	optional	Minimum rating, range 0.0-5.0 Example: 1
`customerRatingMax`	`number`	optional	Maximum rating, range 0.0-5.0 Example: 1
`clickCountT7Min`	`integer`	optional	Minimum weekly click count Example: 1
`clickCountT7Max`	`integer`	optional	Maximum weekly click count Example: 1
`clickCountGrowthT7Min`	`number`	optional	Minimum weekly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickCountGrowthT7Max`	`number`	optional	Maximum weekly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateMin`	`number`	optional	Minimum click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateMax`	`number`	optional	Maximum click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickCountT30Min`	`integer`	optional	Minimum monthly click count Example: 1
`clickCountT30Max`	`integer`	optional	Maximum monthly click count Example: 1
`clickCountGrowthT30Min`	`number`	optional	Minimum monthly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickCountGrowthT30Max`	`number`	optional	Maximum monthly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateCompositeMin`	`number`	optional	Minimum composite click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateCompositeMax`	`number`	optional	Maximum composite click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`salesVolumeT360Min`	`integer`	optional	Minimum annual sales volume Example: 1
`salesVolumeT360Max`	`integer`	optional	Maximum annual sales volume Example: 1
`launchDateMin`	`string`	optional	Earliest listing time, format yyyyMMdd000000 Example: 2026-01-01
`launchDateMax`	`string`	optional	Latest listing time, format yyyyMMdd000000 Example: 2026-01-01
`nicheCountMin`	`integer`	optional	Minimum number of niche markets Example: 1
`nicheCountMax`	`integer`	optional	Maximum number of niche markets Example: 1
`sellerCountry`	`string`	optional	Seller country code, comma-separated for multiple countries, e.g.: CN,US

Request example

{
  "page": 1,
  "pageSize": 10,
  "countryCode": "US",
  "asin": "B072MQ5BRX"
}

Response body

Name	Type	Required	Description
`data`	`any`	required	Data value used by this API operation.
`code`	`integer`	required	0 means accepted or successful; nonzero is a platform error.
`msg`	`string \| null`	required	Msg value used by this API operation.
`ts`	`string`	required	Epoch milliseconds.
`time`	`string`	required	Server local time: yyyy-MM-dd HH:mm:ss.
`cost`	`string`	required	Elapsed milliseconds, never credits; -1 outside web requests.
`traceId`	`string \| null`	required	Trace id value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data`	`object`	required	Data value used by this API operation.
`data.total`	`integer`	optional	Total record count Example: 1
`data.pages`	`integer`	optional	Total page count Example: 1
`data.page`	`integer`	optional	Current page Example: 1
`data.pageSize`	`integer`	optional	Page size, min 10, max 100 Example: 10
`data.data`	`array`	optional	ASIN product list (see product object fields below) Example: []
`data.columns`	`array`	optional	Rendered columns Example: []
`data.type`	`string`	optional	Render style Example: null
`data.costToken`	`integer`	optional	Token consumption Example: 1
`data.data[].asin`	`string`	optional	Amazon product ASIN Example: B072MQ5BRX
`data.data[].parentAsin`	`string`	optional	Amazon product parent ASIN Example: B072MQ5BRX
`data.data[].title`	`string`	optional	Product title Example: null
`data.data[].brand`	`string`	optional	Brand Example: null
`data.data[].price`	`number`	optional	Price Example: 1
`data.data[].currentPrice`	`number`	optional	Current price Example: 1
`data.data[].currency`	`string`	optional	Currency Example: null
`data.data[].customerRating`	`number`	optional	Rating Example: 1
`data.data[].totalReviews`	`integer`	optional	Review count Example: 1
`data.data[].launchDate`	`string`	optional	Listing time Example: 2026-01-01
`data.data[].link`	`string`	optional	ASIN link Example: null
`data.data[].imagesUrl`	`string`	optional	Product main image Example: https://example.com/image.jpg
`data.data[].sellerName`	`string`	optional	Seller name Example: null
`data.data[].sellerId`	`string`	optional	Seller ID Example: example-id
`data.data[].fbaFee`	`number`	optional	FBA fee Example: 1
`data.data[].shippingFee`	`number`	optional	FBA shipping fee Example: 1
`data.data[].gpm`	`number`	optional	Gross profit margin Example: 1
`data.data[].clickConversionRate`	`number`	optional	Click conversion rate (original 7-day click conversion rate) Example: 1
`data.data[].clickConversionRateComposite`	`number`	optional	Composite click conversion rate Example: 1
`data.data[].clickConversionRateType`	`string`	optional	Conversion rate calculation type Example: null
`data.data[].clickConversionRateCompositeType`	`string`	optional	Composite conversion rate calculation type Example: null
`data.data[].clickCountT7`	`integer`	optional	7-day click count Example: 1
`data.data[].clickCountT30`	`integer`	optional	30-day click count Example: 1
`data.data[].clickCountT90`	`integer`	optional	90-day click count Example: 1
`data.data[].clickCountGrowthT7`	`number`	optional	Weekly click growth rate Example: 1
`data.data[].clickCountGrowthT30`	`number`	optional	Monthly click growth rate Example: 1
`data.data[].purchasedClicksT360`	`integer`	optional	360-day purchase clicks Example: 1
`data.data[].salesVolumeT360`	`integer`	optional	Annual sales volume Example: 1
`data.data[].nicheCount`	`integer`	optional	Number of niche markets the product belongs to Example: 1
`data.data[].sameNicheTitle`	`string`	optional	Same niche title Example: null
`data.data[].involvedNum`	`integer`	optional	Number of involved keywords Example: 1
`data.data[].involvedFrequency`	`integer`	optional	Frequency of involved keywords Example: 1
`data.data[].categoryNames`	`array`	optional	Category information Example: []
`data.data[].hasMetric`	`boolean`	optional	Whether the product has metrics Example: false
`data.data[].searchValueType`	`string`	optional	Search type: exact (exact match), sameNiche (same niche as reference ASIN), category (category) Example: null
`data.data[].niches`	`array`	optional	Top 3 niche markets, containing: nicheId, nicheTitle, demand (market score), image, marketplaceId Example: []
`data.data[].bestSellersRanking`	`array`	optional	Best seller rankings, containing: rank (ranking), category (category name) Example: []
`data.data[].trends`	`array`	optional	90-day trend data, containing: day (date), clickCountT7 (weekly click count), reviewCount (review count), reviewRating (review rating), bestSellerRanking (BSR ranking), averagePriceT7 (weekly average price), totalOfferDepthT7 (7-day new offers) Example: []
`data.data[].lastUpdateTime`	`string`	optional	Last update time Example: 2026-01-01
`data.title`	`string`	optional	Provider-specific response title. Example: null
`data.sourceType`	`string`	optional	Provider-specific source platform type. Example: null
`data.sourceTool`	`string`	optional	Provider-specific source tool name. Example: null
`data.costTime`	`integer`	optional	Execution time reported by the upstream provider. Example: null
`data.pageItemCount`	`integer`	optional	Item count on the current page returned by the upstream provider. Example: null
`data.totalPage`	`integer`	optional	Total page count returned by the upstream provider. Example: null
`data.dataSnapshotMonth`	`string`	optional	Data snapshot month returned by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data`	`null`	required	Data value used by this API operation.

Response example

Platform response envelope. code 0 indicates success or acceptance; data contains the business result.

{
  "data": {
    "total": 1,
    "pages": 1,
    "page": 1,
    "pageSize": 10,
    "data": [
      {
        "asin": "B072MQ5BRX",
        "parentAsin": "B072MQ5BRX",
        "price": 1,
        "currentPrice": 1,
        "customerRating": 1,
        "totalReviews": 1,
        "launchDate": "2026-01-01",
        "imagesUrl": "https://example.com/image.jpg",
        "sellerId": "example-id",
        "fbaFee": 1,
        "shippingFee": 1,
        "gpm": 1,
        "clickConversionRate": 1,
        "clickConversionRateComposite": 1,
        "clickCountT7": 1,
        "clickCountT30": 1,
        "clickCountT90": 1,
        "clickCountGrowthT7": 1,
        "clickCountGrowthT30": 1,
        "purchasedClicksT360": 1,
        "salesVolumeT360": 1,
        "nicheCount": 1,
        "involvedNum": 1,
        "involvedFrequency": 1,
        "categoryNames": [],
        "hasMetric": false,
        "niches": [],
        "bestSellersRanking": [],
        "trends": [],
        "lastUpdateTime": "2026-01-01"
      }
    ],
    "columns": [],
    "costToken": 1
  },
  "code": 0,
  "msg": null,
  "ts": "0",
  "time": "2026-01-01 00:00:00",
  "cost": "-1",
  "traceId": null
}

Responses

Code	Description
200	HTTP request completed. Check JSON code; only 0 indicates business success or acceptance.
400	Request JSON or required API parameters are invalid.
401	API key is missing, invalid, or cannot be matched to a user.
5xx	API execution or upstream service failed.

Data source, freshness, and limitations

Source, freshness, coverage, rate limits, and estimation notes are not specified in this API definition unless they appear in the request or response field documentation above. Do not assume official marketplace data or real-time freshness when it is not explicitly documented.

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Amazon Category Lookup API

Browse Amazon category nodes by marketplace and parent identifier, or search category metadata by label for research and listing workflows.

Amazon Competitor Lookup API

Analyze Amazon competitors across 12 marketplaces using sales, BSR, pricing, ratings, and growth metrics. View request parameters, response fields, and MCP usage.

MCP

Use the MCP endpoint when an agent needs to discover and call API tools with JSON-RPC.

GET /api/skill-api/v1/mcp

POST /api/skill-api/v1/mcp
Authorization: Bearer nk-xxxxxxxxxxxxxxxxx
Content-Type: application/json

Call a tool

{
  "jsonrpc": "2.0",
  "id": "tool-call-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_amazon_related_asins",
    "arguments": {
      "page": 1,
      "pageSize": 10,
      "countryCode": "US",
      "asin": "B072MQ5BRX"
    }
  }
}

Online test

Execute the current API with your API key and JSON payload.

12 credits / callAPI usage records

Try it

Send a real request with the same contract shown in the reference.

Endpoint

https://api.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run

MCP method

nexscope_amazon_related_asins

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "page": 1, "pageSize": 10, "countryCode": "US", "asin": "B072MQ5BRX" }'

Response

No response yet. Run the request to see the response here.