https://dataforseo.com/ https://dataforseo.com/ This is probably the most economical option. Semrush and Ahrefs have APIs that may be of interest, but they hav

https://dataforseo.com/ https://dataforseo.com/ This is probably the most economical option. Semrush and Ahrefs have APIs that may be of interest, but they have a monthly subscription vs just purchasing credits.