Amazon Keyword Research API

Discover Amazon keywords, search demand, and competition data for product and listing research.
Sep 13, 2026

Build keyword research workflows for Amazon

The Amazon Keyword Research API provides structured keyword data for evaluating demand, competition, relevance, and listing opportunities across supported marketplaces.

Endpoint and authentication

  • Method: POST
  • Canonical endpoint: https://ecommercedataapi.com/v1/amazon/keyword-research
  • MCP Code: keyword_research
curl --request POST \
  --url https://ecommercedataapi.com/v1/amazon/keyword-research \
  --header "Content-Type: application/json" \
  --header "X-API-Key: ${ECOMMERCE_DATA_API_KEY}" \
  --data '{"marketplace":"US","keyword":"wireless charger","page":1,"size":20}'

Use keyword, marketplace, and pagination fields supported by the current API schema. Keep the key on a server you control.

Start with a product or seed term, group related queries, and validate demand against the target marketplace before changing a listing or campaign.

Limits

Keyword metrics are estimates and can change over time. Validate important decisions with fresh data and handle rate limits according to the errors guide.