January 12, 2024
TLDR:
https://www.microsoft.com/en-us/bing/apis/pricing 1000 searches / month
https://brave.com/search/api/ 2000 searches / month
https://serpapi.com 100 searches / month
https://outscraper.com/pricing/ 25 searches / month
https://zenserp.com/pricing-plans/ 50 searches / month
https://serpstack.com/pricing 100 searches / month
https://stract.com free (but results are of less quality)