Use GET query params for normal calls. Docs below only show the simple routes.
Search all providers:
/api/images/search?query=golden%20retriever%20puppy&provider=all&page=1&limit=20&minWidth=1600&minHeight=1200
Search one provider:
/api/images/search/yandex?query=golden%20retriever%20puppy&page=2&limit=20