Amazon Competitor Lookup 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

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

Try this API

Endpoint

https://api.nexscope.ai/api/skill-api/v1/skills/amazon-competitor-lookup/run

MCP method

nexscope_amazon_competitor_lookup

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-competitor-lookup/run

Run an API

Request parameters documented by ecommerce.amazon-competitor-lookup.

Slug	`amazon-competitor-lookup`
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-competitor-lookup/run \
  -H "Authorization: Bearer nk-xxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{   "page": 1,   "asinList": "B072MQ5BRX",   "matchType": 1,   "size": 10,   "marketplace": "US",   "keyword": "phone case" }'

All categories/ Amazon Marketplace Intelligence

POSThttps://api.nexscope.ai/api/skill-api/v1/skills/amazon-competitor-lookup/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-competitor-lookup/run`
Auth	`Bearer API key`
Content-Type	`application/json`

Request body

Name	Type	Required	Description
`marketplace`	`string`	optional	Amazon site code, default US. Options: US, UK, DE, FR, JP, CA, IT, ES, MX, AU, TR, IN Example: US
`keyword`	`string`	optional	Search keyword. Translate to the corresponding country's language whenever possible, e.g. use English keywords for the US, German keywords for Germany, etc. Example: phone case
`asinList`	`string`	optional	ASINs, multiple ASINs comma-separated, max 40. Format: ^[A-Z0-9]+(,[A-Z0-9]+){0,39}$ Example: B072MQ5BRX
`sellerName`	`string`	optional	Seller name filter
`brand`	`string`	optional	Brand name filter
`nodeLabel`	`string`	optional	Amazon category name, supports multi-level category names, levels separated by colon :, e.g. Electronics:Headphones
`nodeIdPath`	`string`	optional	Amazon category ID path
`matchType`	`integer`	optional	Match type. 1 = phrase match (default), 2 = fuzzy match, 3 = exact match Example: 1
`showVariation`	`string`	optional	Whether to query variants. Y = yes, N = no (default)
`dataSnapshotMonth`	`string`	optional	Amazon product data snapshot month. Default nearly (queries last 30 days real-time data). Use yyyyMM format to query historical snapshots (e.g. 202412 for December 2024). Only supports existing historical snapshots, future dates are not supported. Recommended for seasonal analysis to query the same period last year's snapshot for comparison
`page`	`integer`	optional	Page number, starting from 1 (default 1) Example: 1
`size`	`integer`	optional	Results per page, returns 10-100 records (default 50) Example: 10
`order`	`object`	optional	Sort configuration (see below) Example: {}

Request example

{
  "page": 1,
  "asinList": "B072MQ5BRX",
  "matchType": 1,
  "size": 10,
  "marketplace": "US",
  "keyword": "phone case"
}

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 matching result count Example: 1
`data.sourceType`	`string`	optional	Source type (e.g. amazon) Example: null
`data.type`	`string`	optional	Render style Example: null
`data.products[].nodeLabel`	`string`	optional	Category name echo Example: null
`data.columns`	`array`	optional	Render column definitions Example: []
`data.products`	`array`	optional	Competitor list (see below) Example: []
`data.costToken`	`integer`	optional	Tokens consumed Example: 1
`data.products[].asin`	`string`	optional	Product ASIN Example: B072MQ5BRX
`data.products[].title`	`string`	optional	Product title Example: null
`data.products[].price`	`number`	optional	Current price Example: 1
`data.products[].primePrice`	`number`	optional	Prime price Example: 1
`data.products[].averagePrice`	`number`	optional	Average price Example: 1
`data.products[].currency`	`string`	optional	Currency Example: null
`data.products[].monthlySalesUnits`	`integer`	optional	Monthly sales volume (units) Example: 1
`data.products[].monthlySalesRevenue`	`number`	optional	Monthly sales revenue Example: 1
`data.products[].monthlySalesUnitsGrowthRate`	`number`	optional	Monthly sales volume growth rate Example: 1
`data.products[].bsr`	`integer`	optional	BSR rank Example: 1
`data.products[].bsrGrowthRate`	`number`	optional	BSR growth rate Example: 1
`data.products[].bsrGrowthCount`	`integer`	optional	BSR growth count Example: 1
`data.products[].rating`	`number`	optional	Rating Example: 1
`data.products[].ratings`	`integer`	optional	Review count Example: 1
`data.products[].ratingsGrowth`	`integer`	optional	Monthly new review count Example: 1
`data.products[].ratingsRate`	`number`	optional	Review rate Example: 1
`data.products[].brand`	`string`	optional	Brand Example: null
`data.products[].brandUrl`	`string`	optional	Brand URL Example: https://example.com/image.jpg
`data.products[].sellerName`	`string`	optional	BuyBox seller name Example: null
`data.products[].sellerId`	`string`	optional	BuyBox seller ID Example: example-id
`data.products[].sellerNation`	`string`	optional	BuyBox seller nationality Example: null
`data.products[].sellerNum`	`integer`	optional	Number of sellers Example: 1
`data.products[].fulfillment`	`string`	optional	Fulfillment method: AMZ, FBA, FBM Example: null
`data.products[].availableDate`	`string`	optional	Listing time (date format) Example: 2026-01-01
`data.products[].availableDateString`	`string`	optional	Listing date (string format) Example: 2026-01-01
`data.products[].profit`	`number`	optional	Gross margin Example: 1
`data.products[].fba`	`number`	optional	FBA shipping fee Example: 1
`data.products[].deliveryPrice`	`number`	optional	Seller shipping fee Example: 1
`data.products[].imageUrl`	`string`	optional	Product image URL Example: https://example.com/image.jpg
`data.products[].parent`	`string`	optional	Parent ASIN Example: null
`data.products[].variationNum`	`integer`	optional	Number of variations Example: 1
`data.products[].variant30DayUnits`	`integer`	optional	Variant monthly sales (units) Example: 1
`data.products[].variant30DayRevenue`	`number`	optional	Variant monthly sales revenue Example: 1
`data.products[].variant30DayUpdatedAt`	`string`	optional	Variant data update time (timestamp) Example: 2026-01-01
`data.products[].amzUnitDateString`	`string`	optional	Variant sales update date Example: 2026-01-01
`data.products[].listingQualityScore`	`number`	optional	Listing quality score Example: 1
`data.products[].nodeLabelPath`	`string`	optional	Category path Example: null
`data.products[].nodeIdPath`	`string`	optional	Node ID path Example: null
`data.products[].nodeId`	`integer`	optional	Node ID Example: 1
`data.products[].dimension`	`string`	optional	Product dimensions Example: null
`data.products[].dimensionsType`	`string`	optional	Dimension type Example: null
`data.products[].weight`	`string`	optional	Product weight Example: null
`data.products[].packageDimensions`	`string`	optional	Package dimensions Example: null
`data.products[].packageDimensionType`	`string`	optional	Package dimension type Example: null
`data.products[].packageWeight`	`string`	optional	Package weight Example: null
`data.products[].sku`	`string`	optional	SKU Example: null
`data.products[].keyword`	`string`	optional	Matching keyword (if searched by keyword, displays the corresponding keyword) Example: phone case
`data.products[].dataSnapshotMonth`	`string`	optional	Data query month Example: null
`data.products[].sourceTool`	`string`	optional	Source tool Example: null
`data.products[].sourceType`	`string`	optional	Source type Example: null
`data.products[].badgeBestSeller`	`string`	optional	Best Seller badge (Y/N) Example: null
`data.products[].badgeAmazonChoice`	`string`	optional	Amazon's Choice badge (Y/N) Example: null
`data.products[].badgeNewRelease`	`string`	optional	New Release badge (Y/N) Example: null
`data.products[].badgeEbc`	`string`	optional	A+ page (Y/N) Example: null
`data.products[].badgeVideo`	`string`	optional	Video introduction (Y/N) Example: null
`data.products[].badge`	`object`	optional	Badge detail object, containing: bestSeller, amazonChoice, newRelease, ebc, video (all Y/N strings) Example: {}
`data.products[].subcategories`	`array`	optional	Subcategory rankings, each entry containing code (category code), rank (rank), label (name) Example: []
`data.title`	`string`	optional	Provider-specific response title. 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.page`	`integer`	optional	Current page returned by the upstream provider. Example: null
`data.pageSize`	`integer`	optional	Page size returned 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,
    "columns": [],
    "products": [
      {
        "asin": "B072MQ5BRX",
        "price": 1,
        "primePrice": 1,
        "averagePrice": 1,
        "monthlySalesUnits": 1,
        "monthlySalesRevenue": 1,
        "monthlySalesUnitsGrowthRate": 1,
        "bsr": 1,
        "bsrGrowthRate": 1,
        "bsrGrowthCount": 1,
        "rating": 1,
        "ratings": 1,
        "ratingsGrowth": 1,
        "ratingsRate": 1,
        "brandUrl": "https://example.com/image.jpg",
        "sellerId": "example-id",
        "sellerNum": 1,
        "availableDate": "2026-01-01",
        "availableDateString": "2026-01-01",
        "profit": 1,
        "fba": 1,
        "deliveryPrice": 1,
        "imageUrl": "https://example.com/image.jpg",
        "variationNum": 1,
        "variant30DayUnits": 1,
        "variant30DayRevenue": 1,
        "variant30DayUpdatedAt": "2026-01-01",
        "amzUnitDateString": "2026-01-01",
        "listingQualityScore": 1,
        "nodeId": 1,
        "keyword": "phone case",
        "badge": {},
        "subcategories": []
      }
    ],
    "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.

Related APIs

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Analyze an Amazon ASIN’s traffic source mix and compare current, previous, newly entered, and exited keyword periods.

Amazon Broad Product Search API

Search and filter Amazon products by price, sales, BSR, margin, ratings, fulfillment, badges, and seller origin across multiple marketplaces.

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 Market Product Detail API

Query Amazon product details and historical trends by ASIN across 14 marketplaces. Review request parameters and response fields.

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_competitor_lookup",
    "arguments": {
      "page": 1,
      "asinList": "B072MQ5BRX",
      "matchType": 1,
      "size": 10,
      "marketplace": "US",
      "keyword": "phone case"
    }
  }
}

Online test

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

21 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-competitor-lookup/run

MCP method

nexscope_amazon_competitor_lookup

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/api/skill-api/v1/skills/amazon-competitor-lookup/run \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "page": 1, "asinList": "B072MQ5BRX", "matchType": 1, "size": 10, "marketplace": "US", "keyword": "phone case" }'

Response

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