SEOYEN

Paid API

Plans

Plan	Billed and limits	Price
Individual	5 projects/sites · 300 rank-tracker keywords · 500 monthly keyword-research queries · 1,500 monthly backlink queries · 10,000 site-audit pages/month · 10 monthly reports	On request
Pro	VAT included; page also shows a discounted annual-equivalent price of 3,039 TRY/month · 20 projects/sites · 800 rank-tracker keywords · 1,200 monthly keyword-research queries · 5,000 monthly backlink queries · 10,000 site-audit pages/month · 50 monthly reports	3,799 TRY a month
Enterprise	Unlimited projects · 10,000 rank-tracker keywords · 10,000 AI Overview tracking keywords · Unlimited site-audit pages · 10-seat team · 5 years of data history	On request

As seoyen.com lists them, read 21 Sept 2026. The maker's own page has the final word.