Google Related Searches API
Google searches that may be related to other search terms are presented with related search boxes or a related searches section, typically at the bottom of the search page.
SerpApi Related Searches JSON
{
...
"related_search_boxes": [
{
"position": "Integer - Index of related search",
"query": "String - Query of the related search",
"results": [
{
"title": "String - Title of the result",
"link": "String - Google link to the page of the result",
"thumbnail": "String - Google thumbnail of the result"
},
...
"related_searches": [
{
"query": "String - Query of the related search",
"link": "String - Link to the Google search"
},
...
}
Related Searches for "top keyword"
Related Search Box for "top keyword"

{
...
"related_search_boxes": [
{
"position": 1,
"query": "top keyword",
"results": [
{
"title": "Google Trends",
"link": "https://www.google.com/search?hl=en&gl=us&q=Google+Trends&stick=H4sIAAAAAAAAAOOQUeLUz9U3SDEqsCww4i7JL1DITq0szy9KieJB4hSfYkQoO8XIq5-ub2iYZpJRbmpmYXaKkQskZ2SeXGVpdIqRA8QxtjAv-sWIbN4iVl73_Pz0nFSFkKLUvJRiAL25BXB6AAAA&sa=X&ved=2ahUKEwj_-rKI9q_iAhUKBKYKHcFHAkAQxA0wKHoECA0QBA",
"thumbnail": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRD7IFLT27ABq_FZsb-Mlu5KO-Sv6mo1QcU7iHH8N-lmfmIpdMY4nSCwQ"
},
...
}