Yandex Spell Check API
SerpApi extracts "Did you mean?" suggestions. As well than other spelling and grammar corrections.
API Examples
JSON structure overview
{
...
"search_information": [
{
...
"spelling_fix": "String - Spelling fix for 'Including results for'",
"type": "String - Typo for 'Fixed typo in'",
"showing_results_for": "String - Directly fixed search",
...
},
...
}
Russian Results for: potatoe

{
...
"search_information":
{
"organic_results_state": "Including results for spelling fix",
"total_results": "Нашлось 68 тыс. результатов",
"query_displayed": "potatoe",
"impressions_per_month": "68 показов в месяц",
"spelling_fix": "potatoes",
"showing_results_for": "potatoes"
},
...
}