Keyword Difficulty

Keyword Difficulty Index (0-100) for one or more keywords.

GET https://api.aisa.one/apis/v1/semrush/keyword-difficulty

Keyword Difficulty

cURL

curl --request GET \
  --url https://api.aisa.one/apis/v1/semrush/keyword-difficulty \
  --header 'Authorization: Bearer <token>'

200

"Keyword;Keyword Difficulty Index\nseo tools;94"

Keyword Difficulty Index (0-100) for one or more keywords.

Billing is per returned data row, $0.45 per row (up to 20 rows). A broad seed returns more rows, so the input size decides the cost — start narrow.

⚠️ The response is semicolon-delimited text, not JSON — parse it as CSV-style rows.

Related: get_semrush-keyword-overview.

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Query Parameters

phrase · string · required

One or more keywords separated by ; (up to 20).

Example:

"seo tools;ahrefs"

database · string · default: us

Regional database / country code. Defaults to us.

Response

200 - text/plain

Semicolon-delimited rows. Header: Keyword;Keyword Difficulty Index.

The response is of type string.