Unif API Docs
seoKeywords

Score keyword difficulty

Return the keyword difficulty (0-100 chance of ranking in the top-10 organic results) for up to 1,000 keywords in one request, for prioritizing achievable SEO targets.

Pricing — $$ · min $0.05

Minimum 50 credits ($0.05) per call. Records returned above the minimum bill 1 credit ($0.001) each.

POST
/seo/keywords/difficulty

Authorization

bearerAuth
AuthorizationBearer <token>

UnifAPI API key. Provider credentials are managed by UnifAPI.

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X POST "https://example.com/seo/keywords/difficulty" \  -H "Content-Type: application/json" \  -d '{    "keywords": [      "string"    ]  }'
{
  "request_id": "string",
  "data": {
    "keywords": [
      "string"
    ],
    "location": "string",
    "language": "string",
    "results": [
      {
        "keyword": "string",
        "keyword_difficulty": 0
      }
    ]
  },
  "billing": {
    "credits_charged": 0,
    "records_charged": 0,
    "balance_remaining": 0,
    "truncated_due_to_balance": true
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}

Collect autocomplete keyword suggestions POST

Run one live autocomplete lookup for a seed query and receive the suggested searches the engine offers, with relevance scores — useful for SEO keyword discovery and content-gap research.

Find keywords a domain ranks for POST

Return the keywords a target domain is relevant for, each with search volume, CPC, competition, keyword difficulty, and search intent, for competitor and own-site keyword research.