Every keyword tool sells you "keyword suggestions". Most of them get a big share of those suggestions from the same place: Google autocomplete, which is a keyless public endpoint anyone can call. If what you need is the long tail queries themselves rather than volume estimates, you can skip the subscription. The endpoint GET https://suggestqueries.google.com/complete/search?client=firefox&q=project+management&hl=en&gl=us With client=firefox you get ...