Amazon Competitor Lookup

Compare competing Amazon products by sales, price, and growth. Call the Amazon Competitor Lookup API via REST or MCP from 21 credits per call.

CostRecent Avg. 32 · Range 16–32 credits / call

Try online

POST · https://api.nexscope.ai/ss/competitor-lookupMCP · nexscope_amazon_competitor_lookup

What this API does

Compare competing Amazon products by sales, price, and growth. The request accepts marketplace, keyword, asinList, sellerName, brand. Its documented result includes sourceType, message, nodeLabel, products, asin, title, price, primePrice.

Amazon Competitor Lookup API use cases

Compare competitor visibility

To compare competitor visibility, a marketplace analyst submits marketplace and keyword to Amazon Competitor Lookup. The returned sourceType, message, nodeLabel help identify websites competing for relevant search visibility.

Identify pages for further research

A marketplace analyst uses Amazon Competitor Lookup with marketplace and keyword to identify pages for further research. The returned sourceType, message, nodeLabel help shortlist pages or queries for a deeper comparison.

Prepare a website performance review

For this workflow, a marketplace analyst calls Amazon Competitor Lookup with marketplace and keyword to prepare a website performance review. The result helps assemble evidence for a website performance discussion.

Amazon Competitor Lookup API FAQ

What does the Amazon Competitor Lookup API return?

Compare competing Amazon products by sales, price, and growth. The documented output includes sourceType, message, nodeLabel, products, asin, title, price, primePrice. It corresponds to the supplied marketplace, keyword, asinList, sellerName, brand. Optional fields can be absent; a missing value should not be interpreted as a measured zero. Example values illustrate the response shape, rather than live account results.

How many credits does the Amazon Competitor Lookup API cost?

The current documented cost is Recent Avg. 32 · Range 16–32 credits / call. This is the same cost shown at the top of this page. If a range or estimate is displayed, the final charge depends on the request. Review your available credits and the pricing page before calling the API, and check API usage records for the actual charge.

How do I call the Amazon Competitor Lookup API from my app or an MCP client?

Send a POST request to https://api.nexscope.ai/ss/competitor-lookup with your API key as a Bearer token and the JSON inputs shown in API integration. In a compatible MCP client such as Claude or Cursor, connect Nexscope and call nexscope_amazon_competitor_lookup. Use the MCP arguments shown in the MCP guide, or switch Online test to MCP to review its request before adding it to your app.

View plans and credits Connect this API with MCP

Try this API

Endpoint

https://api.nexscope.ai/ss/competitor-lookup

MCP method

nexscope_amazon_competitor_lookup

Step 1 of 3 · Authenticate

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 .

Step 2 of 3 · Send a request

POSThttps://api.nexscope.ai/ss/competitor-lookup

Run an API

Send a JSON request body using the parameters described below.

Example request

Replace YOUR_API_KEY, then run this command in your terminal.

curl -X POST 'https://api.nexscope.ai/ss/competitor-lookup' \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "keyword": "wireless earbuds",
  "marketplace": "US",
  "matchType": 1,
  "size": 20
}'

Code example

{
  "keyword": "wireless earbuds",
  "marketplace": "US",
  "matchType": 1,
  "size": 20
}

Step 3 of 3 · Inspect the result

Check the response

Read code for the request status and data for the result. Open the parameter and response reference for the full field definitions.

HTTP status codes

Code	Description
200	Default HTTP response for both success and many business errors. Only outer JSON code 0 indicates success or asynchronous acceptance; inspect data for the result.
429	Execution admission rate limit; honor Retry-After when present.
503	Execution admission is temporarily unavailable; honor Retry-After when present.
Opt-in	X-Nexscope-Http-Status: semantic maps controller-handled business errors to HTTP status on run and task routes. Pre-authentication failures, such as a missing API key (code 11209), may still return HTTP 200 before this mapping. Always check the outer JSON code; malformed requests and infrastructure failures may also return non-200 HTTP responses.

View parameters & response Try online

All categories/ Amazon Intelligence SS

POSThttps://api.nexscope.ai/ss/competitor-lookup

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/ss/competitor-lookup`
Auth	`Bearer API key`
Content-Type	`application/json`

Request parameters

Name	Type	Required	Description
`marketplace`	`string`	optional	Amazon site codes: `US`, `UK`, `DE`, `FR`, `JP`, `CA`, `IT`, `ES`, `MX`, `AU`, `TR`, `IN` Example: US
`keyword`	`string`	optional	Search keywords, it is recommended to use the target site language
`asinList`	`string`	optional	ASIN, multiple ASINs separated by English commas, up to 40; format: `^[A-Z0-9]+(,[A-Z0-9]+){0,39}$`
`sellerName`	`string`	optional	Seller name filter
`brand`	`string`	optional	Brand name filter
`nodeLabel`	`string`	optional	Amazon category name, supports multi-level category names, and the levels are separated by English colon `:`
`nodeIdPath`	`string`	optional	Amazon Category ID Path
`matchType`	`integer`	optional	Matching method: `1` phrase matching, `2` fuzzy matching, `3` precise matching Example: 1
`showVariation`	`string`	optional	Whether to query the variant: `Y` yes, `N` no Example: N
`dataSnapshotMonth`	`string`	optional	`nearly` represents the last 30 days of real-time data; historical snapshots can also be queried in the `yyyyMM` format, such as `202412` Example: nearly
`page`	`integer`	optional	Page number, starting from 1 Example: 1
`size`	`integer`	optional	Number of items per page, return 10–100 pieces of data Example: 50
`order`	`object`	optional	Sorting configuration, fields are shown in the table below
`field`	`string`	required	Sorting fields: `total_units`, `total_amount`, `bsr_rank`, `price`, `rating`, `reviews`, `profit`, `reviews_rate`, `available_date`, `questions`, `total_units_growth`, `total_amount_growth`, `reviews_increasement`, `bsr_rank_cv`, `bsr_rank_cr`, `amz_unit` Example: total_units
`desc`	`string`	required	Sorting direction: `true` descending order, `false` ascending order Example: true

Response example

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

No response example is published for this API. Refer to the response fields below.

Response fields

Response field reference (64 fields)

Name	Type	Required	Description
`total`	`integer`	optional	Total number of matching results
`sourceType`	`string`	optional	Source type, such as `amazon`
`message`	`string`	optional	Execution message or error description
`type`	`string`	optional	rendering style
`nodeLabel`	`string`	optional	Category name echo
`columns`	`array`	optional	Rendered column definitions
`products`	`array`	optional	Competing product list
`costToken`	`integer`	optional	Consume token
`asin`	`string`	optional	Product ASIN
`title`	`string`	optional	Product title
`price`	`number`	optional	current price
`primePrice`	`number`	optional	Prime price
`averagePrice`	`number`	optional	average price
`currency`	`string`	optional	Currency
`monthlySalesUnits`	`integer`	optional	Monthly sales volume (number of pieces)
`monthlySalesRevenue`	`number`	optional	monthly sales
`monthlySalesUnitsGrowthRate`	`number`	optional	monthly sales growth rate
`bsr`	`integer`	optional	BSR Ranking
`bsrGrowthRate`	`number`	optional	BSR growth rate
`bsrGrowthCount`	`integer`	optional	BSR growth number
`rating`	`number`	optional	Rating
`ratings`	`integer`	optional	Rating number
`ratingsGrowth`	`integer`	optional	Number of new ratings per month
`ratingsRate`	`number`	optional	Review rate
`brand`	`string`	optional	brand
`brandUrl`	`string`	optional	Brand URL
`sellerName`	`string`	optional	BuyBox seller name
`sellerId`	`string`	optional	BuyBox seller ID
`sellerNation`	`string`	optional	BuyBox seller nationality
`sellerNum`	`integer`	optional	Number of sellers
`fulfillment`	`string`	optional	Delivery method: `AMZ`, `FBA`, `FBM`
`availableDate`	`string`	optional	Release time (date format)
`availableDateString`	`string`	optional	Release date (string format)
`profit`	`number`	optional	Gross profit margin
`fba`	`number`	optional	FBA shipping
`deliveryPrice`	`number`	optional	Seller shipping fee
`imageUrl`	`string`	optional	Product image URL
`parent`	`string`	optional	Parent ASIN
`variationNum`	`integer`	optional	number of variants
`variant30DayUnits`	`integer`	optional	Monthly sales volume of daughter bodies (number of pieces)
`variant30DayRevenue`	`number`	optional	Subsidiary monthly sales
`variant30DayUpdatedAt`	`string`	optional	Child data update time (timestamp)
`amzUnitDateString`	`string`	optional	Sub-body sales update date
`listingQualityScore`	`number`	optional	Listing quality score
`nodeLabelPath`	`string`	optional	Category path
`nodeIdPath`	`string`	optional	Node ID path
`nodeId`	`integer`	optional	Node ID
`dimension`	`string`	optional	Product size
`dimensionsType`	`string`	optional	size type
`weight`	`string`	optional	Product weight
`packageDimensions`	`string`	optional	Packing size
`packageDimensionType`	`string`	optional	Packaging size type
`packageWeight`	`string`	optional	Packing weight
`sku`	`string`	optional	SKU
`keyword`	`string`	optional	matching keywords
`dataSnapshotMonth`	`string`	optional	Data query month
`sourceType`	`string`	optional	Source type
`badgeBestSeller`	`string`	optional	Best Seller logo (Y/N)
`badgeAmazonChoice`	`string`	optional	Amazon's Choice logo (Y/N)
`badgeNewRelease`	`string`	optional	New Release logo (Y/N)
`badgeEbc`	`string`	optional	A+ page identification (Y/N)
`badgeVideo`	`string`	optional	Video introduction logo (Y/N)
`badge`	`object`	optional	Identity details object, including `bestSeller`, `amazonChoice`, `newRelease`, `ebc`, `video` (all Y/N strings)
`subcategories`	`array`	optional	Subcategory rankings, each including `code`, `rank`, `label`

Responses

Code	Description
200	Default HTTP response for both success and many business errors. Only outer JSON code 0 indicates success or asynchronous acceptance; inspect data for the result.
429	Execution admission rate limit; honor Retry-After when present.
503	Execution admission is temporarily unavailable; honor Retry-After when present.
Opt-in	X-Nexscope-Http-Status: semantic maps controller-handled business errors to HTTP status on run and task routes. Pre-authentication failures, such as a missing API key (code 11209), may still return HTTP 200 before this mapping. Always check the outer JSON code; malformed requests and infrastructure failures may also return non-200 HTTP responses.

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.

Step 1 of 2 · Connect your MCP client

MCP

V2 recommended

Connect remote agents through the standard MCP 2025-11-25 Streamable HTTP endpoint. Use OAuth 2.1 Authorization Code with PKCE, or an API key for compatibility.

POST https://api.nexscope.ai/mcp
MCP-Protocol-Version: 2025-11-25
Content-Type: application/json

Authentication

OAuth clients request the mcp:tools scope. The endpoint's 401 response advertises protected-resource metadata for authorization discovery.

Step 2 of 2 · Call the tool

Call a tool

{
  "jsonrpc": "2.0",
  "id": "tool-call-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_amazon_competitor_lookup",
    "arguments": {
      "asinList": "B072MQ5BRX",
      "keyword": "phone case",
      "marketplace": "US",
      "matchType": 1,
      "page": 1,
      "size": 50
    }
  }
}

Legacy MCP v1

Existing API-key clients can continue using the compatibility endpoint. New integrations should use MCP v2.

GET / POST /mcp/legacy

Online test

Execute the current API with your API key and JSON payload. Online tests use this site's configured API environment; the Endpoint and copyable examples use the public integration address.

21 credits / callAPI usage records

Try it

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

Endpoint

/ss/competitor-lookup

MCP method

nexscope_amazon_competitor_lookup

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/ss/competitor-lookup \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "keyword": "wireless earbuds", "marketplace": "US", "matchType": 1, "size": 20 }'

Response

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

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