Amazon Niche Reviews By Keyword

Analyze Amazon niche reviews and consumer sentiment by keyword. Call the Amazon Niche Reviews By Keyword API via REST or MCP from 12 credits per call.

CostRecent 19 credits / call

Try online

POST · https://api.nexscope.ai/jm/getNicheReviewFromKeywordMCP · nexscope_amazon_niche_reviews_by_keyword

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Amazon Niche Intelligence JM

What this API does

Analyze Amazon niche reviews and consumer sentiment by keyword. The request accepts keyword, countryCode, page, pageSize, sortField. Its documented result includes dataSnapshotMonth, keyword, nicheId, nicheName, page, pageItemCount, pageSize, percentOfMentions.

Amazon Niche Reviews By Keyword API use cases

Identify customer objections

To identify customer objections, a marketplace analyst submits keyword and countryCode to Amazon Niche Reviews By Keyword. The returned dataSnapshotMonth, keyword, nicheId help identify recurring product complaints in the returned reviews.

Collect evidence for listing improvements

A marketplace analyst uses Amazon Niche Reviews By Keyword with keyword and countryCode to collect evidence for listing improvements. The returned dataSnapshotMonth, keyword, nicheId help choose listing claims that address observed customer questions.

Compare feedback on competing products

For this workflow, a marketplace analyst calls Amazon Niche Reviews By Keyword with keyword and countryCode to compare feedback on competing products. The result helps compare feedback themes across competing product listings.

Amazon Niche Reviews By Keyword API FAQ

What does the Amazon Niche Reviews By Keyword API return?

Analyze Amazon niche reviews and consumer sentiment by keyword. The documented output includes dataSnapshotMonth, keyword, nicheId, nicheName, page, pageItemCount, pageSize, percentOfMentions. It corresponds to the supplied keyword, countryCode, page, pageSize, sortField. 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 Niche Reviews By Keyword API cost?

The current documented cost is Recent 19 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 Niche Reviews By Keyword API from my app or an MCP client?

Send a POST request to https://api.nexscope.ai/jm/getNicheReviewFromKeyword 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_niche_reviews_by_keyword. 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/jm/getNicheReviewFromKeyword

MCP method

nexscope_amazon_niche_reviews_by_keyword

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/jm/getNicheReviewFromKeyword

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/jm/getNicheReviewFromKeyword' \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "countryCode": "US",
  "keyword": "yoga mat",
  "pageSize": 20,
  "sortField": "unitsSoldT7",
  "sortType": "desc"
}'

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 Niche Intelligence JM

POSThttps://api.nexscope.ai/jm/getNicheReviewFromKeyword

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/jm/getNicheReviewFromKeyword`
Auth	`Bearer API key`
Content-Type	`application/json`

Request parameters

Name	Type	Required	Description
`keyword`	`string`	required	Keywords (required, please use the language of the corresponding site, such as English for the US site and German for the German site), the maximum length is 1000 characters
`countryCode`	`string`	optional	Country code, optional values: `US` (United States), `JP` (Japan), `DE` (Germany) Example: US
`page`	`integer`	optional	Page number (starting from 1) Example: 1
`pageSize`	`integer`	optional	Number of returns per page (10-100) Example: 50
`sortField`	`string`	optional	Sorting field, see sorting options below Example: unitsSoldT7
`sortType`	`string`	optional	Sorting method, optional values: `desc` (descending order), `asc` (ascending order) Example: desc
`productCountMin`	`integer`	optional	Product quantity (current) minimum
`productCountMax`	`integer`	optional	Product quantity (current) maximum
`brandCountMin`	`integer`	optional	Minimum number of brands
`brandCountMax`	`integer`	optional	Maximum number of brands
`avgPriceMin`	`number`	optional	Average price (current) minimum
`avgPriceMax`	`number`	optional	Average Price (Current) Maximum
`unitsSoldT7Min`	`integer`	optional	Sales volume (7 days statistics) minimum value
`unitsSoldT7Max`	`integer`	optional	Maximum sales volume (7-day statistics)
`searchVolumeT7Min`	`integer`	optional	Search volume (7 days statistics) minimum value
`searchVolumeT7Max`	`integer`	optional	Maximum search volume (7-day statistics)
`clickCountT7Min`	`integer`	optional	Click volume (7 days statistics) minimum value
`clickCountT7Max`	`integer`	optional	Maximum number of clicks (7-day statistics)
`clickConversionRateT7Min`	`number`	optional	Minimum click conversion rate (7-day statistics), the value range is 0-1, representing 0%-100%
`clickConversionRateT7Max`	`number`	optional	The maximum value of click conversion rate (7-day statistics), the value range is 0-1, representing 0%-100%
`top5BrandsClickShareMin`	`number`	optional	The minimum share of clicks in the market segment occupied by the top 5 brands. The value range is 0-1, representing 0%-100%.
`top5BrandsClickShareMax`	`number`	optional	The maximum share of clicks in the market segment occupied by the top 5 brands. The value range is 0-1, representing 0%-100%.
`top5ProductsClickShareMin`	`number`	optional	The (current) minimum click share of the top 5 products, the value range is 0-1, representing 0%-100%
`top5ProductsClickShareMax`	`number`	optional	The (current) maximum click share of the top 5 products, the value range is 0-1, representing 0%-100%
`sponsoredProductsPercentageMin`	`number`	optional	The minimum SP advertising proportion, the value range is 0-1, representing 0%-100%
`sponsoredProductsPercentageMax`	`number`	optional	The maximum proportion of SP advertising, the value range is 0-1, representing 0%-100%
`avgBrandAgeMin`	`number`	optional	Average brand age (current) minimum
`avgBrandAgeMax`	`number`	optional	Average Brand Age (Current) Max
`avgBrandAgeQoqMin`	`number`	optional	Average brand age (90 days statistics) minimum value
`avgBrandAgeQoqMax`	`number`	optional	Average brand age (90 days statistics) maximum value
`avgBrandAgeYoyMin`	`number`	optional	Average brand age (360 days statistics) minimum value
`avgBrandAgeYoyMax`	`number`	optional	Maximum average brand age (360 days statistics)
`avgSellingPartnerAgeMin`	`number`	optional	Minimum average sales partner age
`avgSellingPartnerAgeMax`	`number`	optional	Maximum average age of sales partners
`avgSellingPartnerAgeQoqMin`	`number`	optional	Average sales partner age (90 days statistics) minimum
`avgSellingPartnerAgeQoqMax`	`number`	optional	Maximum average age of sales partners (90-day statistics)
`avgSellingPartnerAgeYoyMin`	`number`	optional	Average sales partner age (360 days statistics) minimum value
`avgSellingPartnerAgeYoyMax`	`number`	optional	Maximum average age of sales partners (360 days statistics)
`launchRateT180Min`	`number`	optional	The minimum success rate of product release (180-day statistics), the value range is 0-1, representing 0%-100%
`launchRateT180Max`	`number`	optional	The maximum success rate of product release (180-day statistics), the value range is 0-1, representing 0%-100%
`newProductRateT180`	`number`	optional	The minimum value of the proportion of new products (180-day statistics), the value range is 0-1, representing 0%-100%
`returnRateT360Min`	`number`	optional	The minimum return rate (360 days statistics), the value range is 0-1, representing 0%-100%
`returnRateT360Max`	`number`	optional	The maximum return rate (360 days statistics), the value range is 0-1, representing 0%-100%
`cpcMediumMin`	`number`	optional	CPC (current) minimum
`cpcMediumMax`	`number`	optional	CPC (current) maximum

Code example

{
  "countryCode": "US",
  "keyword": "yoga mat",
  "pageSize": 20,
  "sortField": "unitsSoldT7",
  "sortType": "desc"
}

Response example

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

{
  "code": 0,
  "cost": "-1",
  "data": {},
  "msg": null,
  "time": "2026-01-01 00:00:00",
  "traceId": null,
  "ts": "0"
}

Response fields

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

Any of option 1

Name	Type	Required	Description
`data`	`object`	required	Data value used by this API operation.
`data.columns`	`any`	optional	Columns value used by this API operation.
`data.costTime`	`any`	optional	Cost time value used by this API operation.
`data.costToken`	`any`	optional	Cost token value used by this API operation.
`data.data`	`any`	optional	Data value used by this API operation.
`data.dataSnapshotMonth`	`any`	optional	Data snapshot month value used by this API operation.
`data.keyword`	`any`	optional	Keyword value used by this API operation.
`data.nicheId`	`any`	optional	Niche id value used by this API operation.
`data.nicheName`	`any`	optional	Niche name value used by this API operation.
`data.page`	`any`	optional	Page value used by this API operation.
`data.pageItemCount`	`any`	optional	Page item count value used by this API operation.
`data.pageSize`	`any`	optional	Page size value used by this API operation.
`data.percentOfMentions`	`any`	optional	Percent of mentions value used by this API operation.
`data.reviewExample`	`any`	optional	Review example value used by this API operation.
`data.reviewType`	`any`	optional	Review type value used by this API operation.
`data.sourceTool`	`any`	optional	Source tool value used by this API operation.
`data.sourceType`	`any`	optional	Source type value used by this API operation.
`data.title`	`any`	optional	Title value used by this API operation.
`data.topic`	`any`	optional	Topic value used by this API operation.
`data.total`	`any`	optional	Total value used by this API operation.
`data.totalPage`	`any`	optional	Total page value used by this API operation.
`data.type`	`any`	optional	Type value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.columns`	`array`	optional	Rendered columns Example: null

Any of option 2

Name	Type	Required	Description
`data.columns`	`null`	optional	Columns value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.costTime`	`integer`	optional	Execution time reported by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data.costTime`	`null`	optional	Cost time value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.costToken`	`integer`	optional	Consume token Example: null

Any of option 2

Name	Type	Required	Description
`data.costToken`	`null`	optional	Cost token value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.data`	`array`	optional	List of market segment comments (see data item fields below for details) Example: null

Any of option 2

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

Any of option 1

Name	Type	Required	Description
`data.dataSnapshotMonth`	`string`	optional	Data snapshot month returned by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data.dataSnapshotMonth`	`null`	optional	Data snapshot month value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.keyword`	`string`	optional	keywords Example: null

Any of option 2

Name	Type	Required	Description
`data.keyword`	`null`	optional	Keyword value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.nicheId`	`string`	optional	Segment ID Example: null

Any of option 2

Name	Type	Required	Description
`data.nicheId`	`null`	optional	Niche id value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.nicheName`	`string`	optional	Market segment name Example: null

Any of option 2

Name	Type	Required	Description
`data.nicheName`	`null`	optional	Niche name value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.page`	`integer`	optional	Current page returned by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data.page`	`null`	optional	Page value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.pageItemCount`	`integer`	optional	Item count on the current page returned by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data.pageItemCount`	`null`	optional	Page item count value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.pageSize`	`integer`	optional	Page size returned by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data.pageSize`	`null`	optional	Page size value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.percentOfMentions`	`number`	optional	Proportion (the value range is 0-1, representing 0%-100%) Example: null

Any of option 2

Name	Type	Required	Description
`data.percentOfMentions`	`null`	optional	Percent of mentions value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.reviewExample`	`string`	optional	Comment sample Example: null

Any of option 2

Name	Type	Required	Description
`data.reviewExample`	`null`	optional	Review example value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.reviewType`	`string`	optional	Comment type (value range is [positive comment], [negative comment]) Example: null

Any of option 2

Name	Type	Required	Description
`data.reviewType`	`null`	optional	Review type value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.sourceTool`	`string`	optional	Provider-specific source tool name. Example: null

Any of option 2

Name	Type	Required	Description
`data.sourceTool`	`null`	optional	Source tool value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.sourceType`	`string`	optional	Provider-specific source platform type. Example: null

Any of option 2

Name	Type	Required	Description
`data.sourceType`	`null`	optional	Source type value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.title`	`string`	optional	Title Example: null

Any of option 2

Name	Type	Required	Description
`data.title`	`null`	optional	Title value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.topic`	`string`	optional	Comment topic Example: null

Any of option 2

Name	Type	Required	Description
`data.topic`	`null`	optional	Topic value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.total`	`integer`	optional	total Example: null

Any of option 2

Name	Type	Required	Description
`data.total`	`null`	optional	Total value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.totalPage`	`integer`	optional	Total page count returned by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data.totalPage`	`null`	optional	Total page value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data.type`	`string`	optional	Rendering style Example: null

Any of option 2

Name	Type	Required	Description
`data.type`	`null`	optional	Type value used by this API operation.

Any of option 2

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

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_niche_reviews_by_keyword",
    "arguments": {
      "countryCode": "US",
      "keyword": "phone case",
      "page": 1,
      "pageSize": 10
    }
  }
}

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.

12 credits / callAPI usage records

Try it

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

Endpoint

/jm/getNicheReviewFromKeyword

MCP method

nexscope_amazon_niche_reviews_by_keyword

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/jm/getNicheReviewFromKeyword \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "countryCode": "US", "keyword": "yoga mat", "pageSize": 20, "sortField": "unitsSoldT7", "sortType": "desc" }'

Response

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

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