# Amazon Keyword Research — Related, Result Count & Reverse ASIN

An ecommerce tool your agent can run on one prepaid apifare key. Page: https://apifare.com/tools/memo23/amazon-keyword-research

## What you need

An apifare key with credits (sign up: POST https://apifare.com/v1/signup {"email": "..."}; new accounts get 500 free credits). No other account or key.

## Inputs

- `mode` (string, required): Mode (e.g. "related_keywords")
- `keywords` (array): Keywords / seeds
- `asin` (string): ASIN
- `asins` (array): ASINs
- `marketplaces` (array): Marketplaces (e.g. ["US"])
- `maxKeywords` (integer): Max keywords per seed / ASIN (e.g. 50)

The most relevant fields; the search result's input_schema lists all of them.

## Price

5 credits reserved per run, settled to the run's true cost, never more than 20 credits (1 credit = $0.01). Failed runs are refunded. Exact numbers: https://apifare.com/capabilities

## Run it

1. Find it: MCP search_apis, or GET https://apifare.com/v1/search?q=Amazon%20Keyword%20Research%20%E2%80%94%20Related%2C%20Result%20Count%20%26%20Reverse%20ASIN with Authorization: Bearer <token>. Take the result named "Amazon Keyword Research — Related, Result Count & Reverse ASIN"; it carries a proxy_route.
2. Run it: MCP proxy_call with that proxy_route and the input JSON (apifare-mcp over stdio), or POST the proxy_route over HTTP with the input JSON as the body and the same Authorization header.
3. On HTTP 402, relay the body's human_readable field to your human verbatim, wait, then retry the same call. Every other error and its fix: https://apifare.com/errors.md