Classify keyword search intent

{
  "operationId": "search_intent",
  "method": "post",
  "path": "/search-intent",
  "summary": "Classify keyword search intent",
  "description": "Classifies each keyword's search intent (informational, navigational, commercial, transactional) with a probability score. Use it to split a keyword list into content types: informational keywords get articles, transactional ones get landing pages.",
  "parameters": [],
  "requestBody": {
    "required": true,
    "content": {
      "application/json": {
        "schema": {
          "type": "object",
          "required": [
            "keywords"
          ],
          "properties": {
            "keywords": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "maxItems": 1000,
              "description": "Keywords to classify (1-1000). Cost scales with the number of keywords."
            },
            "language_code": {
              "type": "string",
              "description": "Two-letter language code. Default 'en'.",
              "default": "en"
            }
          }
        },
        "example": {
          "keywords": [
            "what is a crm",
            "buy crm software",
            "salesforce login"
          ]
        }
      }
    }
  },
  "responses": [
    {
      "statusCode": "200",
      "description": "Per-keyword intent labels and probabilities in `result[0].items`.",
      "content": {
        "application/json": {
          "schema": {
            "type": "object"
          }
        }
      }
    },
    {
      "statusCode": "400",
      "description": "Bad request or upstream task error."
    },
    {
      "statusCode": "401",
      "description": "Unauthorized."
    },
    {
      "statusCode": "429",
      "description": "Too many requests."
    },
    {
      "statusCode": "5XX",
      "description": "Upstream error."
    }
  ]
}