Amazon Keyword Expansion 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

Jungle Scout keyword expansion tool that expands a seed keyword into a list of related keywords with search volume, trends, PPC bids, ranking difficulty, and other metrics, covering 10 Amazon marketplaces including US, UK, DE, JP, etc.

Try this API

Endpoint

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

MCP method

nexscope_amazon_keyword_expansion

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-keyword-expansion/run

Run an API

Request parameters documented by ecommerce.amazon-keyword-expansion.

Slug	`amazon-keyword-expansion`
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-keyword-expansion/run \
  -H "Authorization: Bearer nk_xxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{   "searchTerms": "phone case",   "needCount": 10,   "marketplace": "us" }'

All categories/ Keyword & Search Demand

POSThttps://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-keyword-expansion/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-keyword-expansion/run`
Auth	`Bearer API key`
Content-Type	`application/json`

Request body

Name	Type	Required	Description
`marketplace`	`string`	required	Target marketplace code. Options: us, uk, de, in, ca, fr, it, es, mx, jp. Default us Example: us
`searchTerms`	`string`	required	Seed keyword (single keyword string) Example: phone case
`needCount`	`integer`	optional	Total number of results returned Example: 10
`sort`	`string`	optional	Sort field, default -monthly_search_volume_exact (exact search volume descending)
`minMonthlySearchVolumeExact`	`integer`	optional	Minimum exact search volume Example: 1
`maxMonthlySearchVolumeExact`	`integer`	optional	Maximum exact search volume Example: 1
`minMonthlySearchVolumeBroad`	`integer`	optional	Minimum broad search volume Example: 1
`maxMonthlySearchVolumeBroad`	`integer`	optional	Maximum broad search volume Example: 1
`minWordCount`	`integer`	optional	Minimum word count for keywords (for filtering long-tail keywords) Example: 1
`maxWordCount`	`integer`	optional	Maximum word count for keywords Example: 1
`minOrganicProductCount`	`integer`	optional	Minimum organic product count Example: 1
`maxOrganicProductCount`	`integer`	optional	Maximum organic product count Example: 1

Request example

{
  "searchTerms": "phone case",
  "needCount": 10,
  "marketplace": "us"
}

Response body

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

Name	Type	Required	Description
`costToken`	`integer`	optional	Tokens consumed Example: 1
`keywordInfoList`	`array`	optional	Keyword information list Example: []
`keywordInfoList[].name`	`string`	optional	Keyword name
`keywordInfoList[].country`	`string`	optional	Marketplace code
`keywordInfoList[].monthlySearchVolumeExact`	`integer`	optional	Monthly average exact match search volume Example: 1
`keywordInfoList[].monthlySearchVolumeBroad`	`integer`	optional	Monthly average broad match search volume Example: 1
`keywordInfoList[].monthlyTrend`	`number`	optional	Monthly search volume change percentage Example: 1
`keywordInfoList[].quarterlyTrend`	`number`	optional	Quarterly search volume change percentage Example: 1
`keywordInfoList[].dominantCategory`	`string`	optional	Category with the highest share in search results
`keywordInfoList[].relevancyScore`	`integer`	optional	Relevance score to the seed keyword Example: 1
`keywordInfoList[].easeOfRankingScore`	`integer`	optional	Ease of ranking score (higher means easier to rank) Example: 1
`keywordInfoList[].organicProductCount`	`integer`	optional	Number of organic ranking products Example: 1
`keywordInfoList[].sponsoredProductCount`	`integer`	optional	Number of sponsored products Example: 1
`keywordInfoList[].ppcBidExact`	`number`	optional	Exact match PPC suggested bid (USD) Example: 1
`keywordInfoList[].ppcBidBroad`	`number`	optional	Broad match PPC suggested bid (USD) Example: 1
`keywordInfoList[].spBrandAdBid`	`number`	optional	Sponsored Brand ad suggested bid (USD) Example: 1
`keywordInfoList[].recommendedPromotions`	`integer`	optional	Number of recommended promotion giveaways Example: 1
`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.
`type`	`string`	optional	Provider-specific render or payload type.
`title`	`string`	optional	Provider-specific response title.
`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.

{
  "costToken": 1,
  "keywordInfoList": [
    {
      "monthlySearchVolumeExact": 1,
      "monthlySearchVolumeBroad": 1,
      "monthlyTrend": 1,
      "quarterlyTrend": 1,
      "relevancyScore": 1,
      "easeOfRankingScore": 1,
      "organicProductCount": 1,
      "sponsoredProductCount": 1,
      "ppcBidExact": 1,
      "ppcBidBroad": 1,
      "spBrandAdBid": 1,
      "recommendedPromotions": 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_keyword_expansion",
    "arguments": {
      "searchTerms": "phone case",
      "needCount": 10,
      "marketplace": "us"
    }
  }
}

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-keyword-expansion/run

MCP method

nexscope_amazon_keyword_expansion

API key*JSON payload*

cURL

curl -X POST \
  https://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-keyword-expansion/run \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "searchTerms": "phone case", "needCount": 10, "marketplace": "us" }'

Response

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