Related keywords

The SerpstatKeywordProcedure.getRelatedKeywords method shows all search queries that are semantically related to the searched keyword. The data set is similar to the Keyword research / Related keywords report.

General request parameters and instructions for using Serpstat API

Search databases available

Request parameter
Parameter	Description	Type	Optional	Default value	Value Options
id	A request id: the response contains the same id. Enter any number (number) or text (string) value	int/string	no		1, test
method	API method name	string	no		SerpstatKeywordProcedure.getRelatedKeywords
params	The object with parameters {...}, it lists all the following parameters and arrays [...]	array	no
keyword	Keyword to search for	string	no		iphone
se	ID of the search base to be searched (there are both Google and Yandex databases available, for example: g_us or y_157).	string	no		g_us
filters	Filter conditions	array	yes		Connection strengh of related keywords: {"weight":{{weight_from}} {"weight":{{weight_to}} Misspelled keywords: {"right_spelling":true} {"right_spelling":false} Keyword Volume: {"region_queries_count": 1} {"region_queries_count_to": 2} {"region_queries_count_from": 3}
sort	Synonyms for "/"Order of sorting the results in the format: {{{field}}: {{order}}} field — field to sort by: * cost * concurrency * weight * region_queries_count * keyword order — sort direction (asc — ascending, desc — descending)	array	yes	['cost' => 'asc', 'region_queries_count' => 'desc']	cost: {{"asc"\|"desc"}}}
page	Page number in response	int	yes	1	"page": "5"
size	Number of results per page in response	int	yes	100	"size": "10" min: 1, max: 1000

Response parameters
Parameter	Description
id	Response id corresponds the request id
result	Contains the answer
data	Array with data
keyword	Related keyword
region_queries_count	Search volume in selected region
cost	Cost per click, $
concurrency	Keyword competition in the PPC (0-100%)
geo_names	List of toponyms in the array (if toponyms are present in the keywords)
types	List of special elements shown in SERP (for example, video, carousel or map)
right_spelling	Recommended correction of a misspelled keyword
weight	Connection strength of related keywords
difficulty	The assessment of the level of competition for a keyword to advance in organic search in the top-10 (from 0 to 100%)
summary_info	Object with data
page	Page number
total	Total number of related keywords found
left_lines	API credits remaining

Credits: the number of charged credits corresponds to the number of results obtained upon request. You can get no more than 60000 results per a query. Part of the API response, for which 1 credit is charged:

"data": {
            "6 plus portrait dimensions": {
                "keyword": "6 plus portrait dimensions",
                "region_queries_count": 1,
                "cost": 0,
                "concurrency": 0,
                "geo_names": [],
                "types": [
                    "also_asks",
                    "video",
                    "related_search",
                    "snip_breadcrumbs"
                ],
                "right_spelling": null,
                "weight": 1,
                "difficulty": null
            }

Example

Request data:

{
    "id": "1",
    "method": "SerpstatKeywordProcedure.getRelatedKeywords",
    "params": {
        "keyword": "iphone",
        "filters": {
            "weight": "1",
            "right_spelling": false,
            "region_queries_count_to": 2
        },
        "sort": {
            "keyword": "asc"
        },
        "se": "g_us",
        "page": "1",
        "size": "10"
    }
}

Response data:

{
    "id": "1",
    "result": {
        "data": {
            "6 plus portrait dimensions": {
                "keyword": "6 plus portrait dimensions",
                "region_queries_count": 1,
                "cost": 0,
                "concurrency": 0,
                "geo_names": [],
                "types": [
                    "also_asks",
                    "video",
                    "related_search",
                    "snip_breadcrumbs"
                ],
                "right_spelling": null,
                "weight": 1,
                "difficulty": null
            },
        "summary_info": {
            "page": 1,
            "total": 2230,
            "left_lines": 998671
        }
    }
}