Authentication required. Set the Authorizationheader to your SEOmonitor API token (raw JWT — noBearerprefix). See the Authentication Guide for setup.
Authorization: ********************curl --location --globoff 'https://apigw.seomonitor.com/v3/research/v3.0/related-keywords?campaign_id={{campaign_id}}&keyword={{keyword}}&limit={{limit}}&offset={{offset}}&order_by={{order_by}}&order_direction={{order_direction}}&search={{search}}' \
--header 'Authorization: <api-key>'{
"keyword": "seo monitor api",
"connection_strength": 1,
"search_data": {
"search_volume": 70,
"year_over_year": -1.71,
"monthly_searches": [
{
"month": "May",
"year": 2026,
"search_volume": 20
},
{
"month": "April",
"year": 2026,
"search_volume": 50
}
]
},
"ranking_data": {
"updated_on": "2026-07-01",
"rank": 1,
"trend": 0,
"landing_page": "https://www.seomonitor.com/apis-integrations/"
},
"serp_data": {
"percentage_clicks": 1,
"serp_features": []
},
"tracked_keyword_id": ""
}