Amazon Niche Reviews By Keyword API

REST API and MCP service documentation generated from server-side API definitions. Responses shown here are the direct payload returned by each API execution.

API selector

Keyword & Search Demand

API overview

Amazon niche market review analysis and consumer sentiment insights.

Try this API

Endpoint

https://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run

MCP method

nexscope_amazon_niche_reviews_by_keyword

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://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run

Run an API

Request parameters documented by ecommerce.amazon-niche-reviews-by-keyword.

Slug	`amazon-niche-reviews-by-keyword`
Headers	`Authorization: Bearer nk_...` `Content-Type: application/json`
Request body	API-specific JSON object.
Response body	Direct API response payload. No data/result wrapper is added.

Status codes

Code	Description
200	API executed successfully. Body is the direct response payload.
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-niche-reviews-by-keyword/run \
  -H "Authorization: Bearer nk_xxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{   "countryCode": "US",   "keyword": "phone case",   "pageSize": 10,   "page": 1 }'

All categories/ Keyword & Search Demand

POSThttps://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run

Run this API

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

Open tester

Endpoint

Method	`POST`
Path	`https://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run`
Auth	`Bearer API key`
Content-Type	`application/json`

Request body

Name	Type	Required	Description
`keyword`	`string`	required	Keyword (required, use the language of the corresponding site, e.g. English for the US site, German for the Germany site), max length 1000 characters Example: phone case
`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	Results per page (10-100) Example: 10
`sortField`	`string`	optional	Sort field, options: clickConversionRateT7 (7-day click conversion rate), demand (demand score), avgPrice (average product price), maximumPrice (highest product price), minimumPrice (lowest product price), productCount (product count), searchConversionRateT7 (7-day search conversion rate), searchVolumeT7 (7-day search volume), unitsSoldT7 (7-day sales volume), searchVolumeGrowthT7 (search growth rate), clickCountT90 (90-day click volume), clickCountT7 (weekly click volume), brandCount (brand count), top5BrandsClickShare (TOP5 brand share), newProductsLaunchedT180 (180-day new product success rate - launch count), successfulLaunchesT180 (180-day new product success rate - new product count), launchRateT180 (180-day new product success rate - launch rate), top5ProductsClickShare (top 5 product click share), returnRateT360 (return rate), clickConversionRateT90 (90-day click conversion rate), searchConversionRateT90 (90-day search conversion rate), searchVolumeT90 (90-day search volume), unitsSoldT90 (90-day sales volume), unitsSoldGrowthT90 (90-day sales growth rate), searchVolumeGrowthT90 (90-day search growth rate), acos, profitRate50 (profit rate for 50% natural orders)
`sortType`	`string`	optional	Sort direction, options: desc (descending), asc (ascending)
`productCountMin`	`integer`	optional	Minimum product count (current) Example: 1
`productCountMax`	`integer`	optional	Maximum product count (current) Example: 1
`brandCountMin`	`integer`	optional	Minimum brand count Example: 1
`brandCountMax`	`integer`	optional	Maximum brand count Example: 1
`avgPriceMin`	`number`	optional	Minimum average price (current) Example: 1
`avgPriceMax`	`number`	optional	Maximum average price (current) Example: 1
`unitsSoldT7Min`	`integer`	optional	Minimum sales volume (7-day stats) Example: 1
`unitsSoldT7Max`	`integer`	optional	Maximum sales volume (7-day stats) Example: 1
`searchVolumeT7Min`	`integer`	optional	Minimum search volume (7-day stats) Example: 1
`searchVolumeT7Max`	`integer`	optional	Maximum search volume (7-day stats) Example: 1
`clickCountT7Min`	`integer`	optional	Minimum click volume (7-day stats) Example: 1
`clickCountT7Max`	`integer`	optional	Maximum click volume (7-day stats) Example: 1
`clickConversionRateT7Min`	`number`	optional	Minimum click conversion rate (7-day stats) Example: 1
`clickConversionRateT7Max`	`number`	optional	Maximum click conversion rate (7-day stats) Example: 1
`top5BrandsClickShareMin`	`number`	optional	Minimum top 5 brands' click share in the niche market Example: 1
`top5BrandsClickShareMax`	`number`	optional	Maximum top 5 brands' click share in the niche market Example: 1
`top5ProductsClickShareMin`	`number`	optional	Minimum top 5 products click share (current) Example: 1
`top5ProductsClickShareMax`	`number`	optional	Maximum top 5 products click share (current) Example: 1
`sponsoredProductsPercentageMin`	`number`	optional	Minimum SP ad share Example: 1
`sponsoredProductsPercentageMax`	`number`	optional	Maximum SP ad share Example: 1
`avgBrandAgeMin`	`number`	optional	Minimum average brand age (current) Example: 1
`avgBrandAgeMax`	`number`	optional	Maximum average brand age (current) Example: 1
`avgBrandAgeQoqMin`	`number`	optional	Minimum average brand age (90-day stats) Example: 1
`avgBrandAgeQoqMax`	`number`	optional	Maximum average brand age (90-day stats) Example: 1
`avgBrandAgeYoyMin`	`number`	optional	Minimum average brand age (360-day stats) Example: 1
`avgBrandAgeYoyMax`	`number`	optional	Maximum average brand age (360-day stats) Example: 1
`avgSellingPartnerAgeMin`	`number`	optional	Minimum average selling partner age Example: 1
`avgSellingPartnerAgeMax`	`number`	optional	Maximum average selling partner age Example: 1
`avgSellingPartnerAgeQoqMin`	`number`	optional	Minimum average selling partner age (90-day stats) Example: 1
`avgSellingPartnerAgeQoqMax`	`number`	optional	Maximum average selling partner age (90-day stats) Example: 1
`avgSellingPartnerAgeYoyMin`	`number`	optional	Minimum average selling partner age (360-day stats) Example: 1
`avgSellingPartnerAgeYoyMax`	`number`	optional	Maximum average selling partner age (360-day stats) Example: 1
`launchRateT180Min`	`number`	optional	Minimum product launch success rate (180-day stats) Example: 1
`launchRateT180Max`	`number`	optional	Maximum product launch success rate (180-day stats) Example: 1
`newProductRateT180`	`number`	optional	Minimum new product share (180-day stats) Example: 1
`returnRateT360Min`	`number`	optional	Minimum return rate (360-day stats) Example: 1
`returnRateT360Max`	`number`	optional	Maximum return rate (360-day stats) Example: 1
`cpcMediumMin`	`number`	optional	Minimum CPC (current) Example: 1
`cpcMediumMax`	`number`	optional	Maximum CPC (current) Example: 1

Request example

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

Response body

Returns the documented upstream API response directly without an additional wrapper.

Name	Type	Required	Description
`total`	`integer`	optional	Total count Example: 1
`data`	`array`	optional	Niche market review list (see data item fields below for details) Example: []
`columns`	`array`	optional	Render columns Example: []
`costToken`	`integer`	optional	Tokens consumed Example: 1
`type`	`string`	optional	Render style
`title`	`string`	optional	Title
`data[].nicheId`	`string`	optional	Niche market ID Example: example-id
`data[].nicheName`	`string`	optional	Niche market name
`data[].keyword`	`string`	optional	Keyword Example: phone case
`data[].reviewType`	`string`	optional	Review type (values: [Positive Reviews], [Negative Reviews])
`data[].topic`	`string`	optional	Review topic
`data[].percentOfMentions`	`number`	optional	Share (range 0-1, representing 0%-100%) Example: 1
`data[].reviewExample`	`string`	optional	Review example
`errcode`	`integer`	optional	Upstream status code returned by the provider.
`errmsg`	`string`	optional	Upstream status message returned by the provider.
`code`	`string`	optional	Provider-specific status code.
`msg`	`string`	optional	Provider-specific status message.
`message`	`string`	optional	Provider-specific message.
`sourceType`	`string`	optional	Provider-specific source platform type.
`sourceTool`	`string`	optional	Provider-specific source tool name.
`costTime`	`integer`	optional	Execution time reported by the upstream provider.
`page`	`integer`	optional	Current page returned by the upstream provider.
`pageSize`	`integer`	optional	Page size returned by the upstream provider.
`pageItemCount`	`integer`	optional	Item count on the current page returned by the upstream provider.
`totalPage`	`integer`	optional	Total page count returned by the upstream provider.
`dataSnapshotMonth`	`string`	optional	Data snapshot month returned by the upstream provider.

Response example

Direct response payload. No extra wrapper is added.

{
  "total": 1,
  "data": [
    {
      "nicheId": "example-id",
      "keyword": "phone case",
      "percentOfMentions": 1
    }
  ],
  "columns": [],
  "costToken": 1
}

Responses

Code	Description
200	API executed successfully. Body is the direct response payload.
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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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_niche_reviews_by_keyword",
    "arguments": {
      "countryCode": "US",
      "keyword": "phone case",
      "pageSize": 10,
      "page": 1
    }
  }
}

Online test

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

Try it

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

Endpoint

https://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run

MCP method

nexscope_amazon_niche_reviews_by_keyword

API key*JSON payload*

cURL

curl -X POST \
  https://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "countryCode": "US", "keyword": "phone case", "pageSize": 10, "page": 1 }'

Response

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