Amazon Research JS: keywords/share of voice API

Use Amazon Research JS: keywords/share of voice API through Nexscope with documented parameters, structured results and API key authentication.

CostRecent Avg. 128 · Range 67–133 credits / call

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POST · https://api.nexscope.ai/js/keywords/share-of-voiceMCP · nexscope_data_js_keywords_share_of_voice

Amazon Research JS

What this API does

Use Amazon Research JS: keywords/share of voice API through Nexscope with documented parameters, structured results and API key authentication. The request accepts marketplace, keyword. Its documented result includes shareOfVoice, id, estimated30DaySearchVolume, exactSuggestedBidMedian, productCount, updatedAt, topAsinsModelStartDate, topAsinsModelEndDate.

Amazon Research JS: keywords/share of voice API API use cases

Check keyword visibility

To check keyword visibility, a marketplace analyst submits marketplace and keyword to Amazon Research JS: keywords/share of voice API. The returned shareOfVoice, id, estimated30DaySearchVolume help see which products appear for a target keyword.

Compare search placement evidence

A marketplace analyst uses Amazon Research JS: keywords/share of voice API with marketplace and keyword to compare search placement evidence. The returned shareOfVoice, id, estimated30DaySearchVolume help compare visibility evidence for the same search scope.

Prioritize keywords for a listing

For this workflow, a marketplace analyst calls Amazon Research JS: keywords/share of voice API with marketplace and keyword to prioritize keywords for a listing. The result helps choose keywords needing further listing or advertising research.

Amazon Research JS: keywords/share of voice API API FAQ

What does the Amazon Research JS: keywords/share of voice API API return?

Use Amazon Research JS: keywords/share of voice API through Nexscope with documented parameters, structured results and API key authentication. The documented output includes shareOfVoice, id, estimated30DaySearchVolume, exactSuggestedBidMedian, productCount, updatedAt, topAsinsModelStartDate, topAsinsModelEndDate. It corresponds to the supplied marketplace, keyword. 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 Research JS: keywords/share of voice API API cost?

The current documented cost is Recent Avg. 128 · Range 67–133 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 Research JS: keywords/share of voice API API from my app or an MCP client?

Send a POST request to https://api.nexscope.ai/js/keywords/share-of-voice 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_data_js_keywords_share_of_voice. The same documented request parameters apply; use Online test to review a request before adding it to your app.

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Endpoint

https://api.nexscope.ai/js/keywords/share-of-voice

MCP method

nexscope_data_js_keywords_share_of_voice

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/js/keywords/share-of-voice

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/js/keywords/share-of-voice' \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "keyword": "portable charger",
  "marketplace": "us"
}'

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	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.

View parameters & response Try online

All categories/ Amazon Research JS

POSThttps://api.nexscope.ai/js/keywords/share-of-voice

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/js/keywords/share-of-voice`
Auth	`Bearer API key`
Content-Type	`application/json`

Request parameters

Name	Type	Required	Description
`marketplace`	`string`	required	Target market code. Optional values: `us`, `uk`, `de`, `in`, `ca`, `fr`, `it`, `es`, `mx`, `jp` Example: us
`keyword`	`string`	required	Keywords to be searched

Code example

{
  "keyword": "portable charger",
  "marketplace": "us"
}

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

Response field reference (34 fields)

Name	Type	Required	Description
`costToken`	`integer`	optional	Number of tokens consumed
`shareOfVoice`	`object`	optional	Share of Voice data subject
`id`	`string`	optional	Resource ID
`type`	`string`	optional	Fixed value `share_of_voice`
`estimated30DaySearchVolume`	`integer`	optional	Exact match search volume over the past 30 days
`exactSuggestedBidMedian`	`number`	optional	Median PPC bid (USD)
`productCount`	`integer`	optional	Total number of items in the first 3 pages of search results
`updatedAt`	`string`	optional	Data update time
`topAsinsModelStartDate`	`string`	optional	TOP ASIN click/conversion data window start date
`topAsinsModelEndDate`	`string`	optional	TOP ASIN click/conversion data window end date
`brands`	`array`	optional	Brand SOV detailed list
`topAsins`	`array`	optional	TOP 3 ASIN click conversion list
`brand`	`string`	optional	brand name
`organicProducts`	`integer`	optional	Number of items in organic search results
`sponsoredProducts`	`integer`	optional	The number of products in the ad slot
`combinedProducts`	`integer`	optional	Comprehensive product quantity
`organicBasicSov`	`number`	optional	Natural search basics SOV (0–1)
`organicWeightedSov`	`number`	optional	Natural search weighted SOV (0–1)
`sponsoredBasicSov`	`number`	optional	Ad search basics SOV (0–1)
`sponsoredWeightedSov`	`number`	optional	Ad Search Weighted SOV (0–1)
`combinedBasicSov`	`number`	optional	Comprehensive Basic SOV (0–1)
`combinedWeightedSov`	`number`	optional	Comprehensive weighted SOV (0–1)
`organicAveragePosition`	`number`	optional	Average organic search ranking position
`sponsoredAveragePosition`	`number`	optional	Ad search average position
`combinedAveragePosition`	`number`	optional	Overall average ranking position
`organicAveragePrice`	`number`	optional	Average price of natural search items
`sponsoredAveragePrice`	`number`	optional	Average price of advertised search products
`combinedAveragePrice`	`number`	optional	Comprehensive product average price
`asin`	`string`	optional	ASIN number
`name`	`string`	optional	Product name
`brand`	`string`	optional	brand name
`clicks`	`integer`	optional	Clicks (30-day window)
`conversions`	`integer`	optional	Conversions (30-day window)
`conversionRate`	`number`	optional	Conversion rate (0-1)

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.

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_data_js_keywords_share_of_voice",
    "arguments": {
      "keyword": "portable charger",
      "marketplace": "us"
    }
  }
}

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.

88 credits / callAPI usage records

Try it

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

Endpoint

/js/keywords/share-of-voice

MCP method

nexscope_data_js_keywords_share_of_voice

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/js/keywords/share-of-voice \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "keyword": "portable charger", "marketplace": "us" }'

Response

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

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Amazon Research JS: keywords/historical search volume API

Use Amazon Research JS: keywords/historical search volume API through Nexscope with documented parameters, structured results and API key authentication.

Amazon Research JS: product database/query API

Use Amazon Research JS: product database/query API through Nexscope with documented parameters, structured results and API key authentication.

What this API does

Amazon Research JS: keywords/share of voice API API use cases

Check keyword visibility

Compare search placement evidence

Prioritize keywords for a listing

Amazon Research JS: keywords/share of voice API API FAQ

What does the Amazon Research JS: keywords/share of voice API API return?

How many credits does the Amazon Research JS: keywords/share of voice API API cost?

How do I call the Amazon Research JS: keywords/share of voice API API from my app or an MCP client?

Authentication

Run an API

Example request

Check the response

HTTP status codes

Run this API

Endpoint

Request parameters

Code example

Response example

Response fields

Responses

Data source, freshness, and limitations

MCP

Call a tool

Legacy MCP v1

Online test

Try it

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