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POST
/
seo
/
keyword-difficulty
Keyword difficulty
curl --request POST \
  --url https://api.smartlyq.com/v1/seo/keyword-difficulty \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "keywords": [
    "<string>"
  ],
  "location": "United States",
  "language": "en"
}
'
{
  "success": true,
  "data": {
    "difficulty": {
      "seo tools": 67,
      "keyword research": 54
    }
  },
  "meta": {
    "request_id": "req_1a2b3c4d",
    "timestamp": "2026-07-01T12:00:00Z"
  }
}

Authorizations

Authorization
string
header
required

API key from Developer dashboard (Bearer token).

Body

application/json
keywords
string[]
required

Keywords to score.

Minimum array length: 1
location
string
default:United States

Market location name.

language
string
default:en

Language code.

Response

Difficulty score per keyword

success
enum<boolean>
Available options:
true
data
object
meta
object