How I Blocked 90% of Bot Requests on My Free TikTok Downloader Using Cloudflare Turnstile and PHP

I launched TikRapid — a free TikTok video downloader — and within the first few days the API was getting hammered. Not by real users. By bots. Most CAPTCHA systems make the user do something — click a checkbox, identify traffic lights, type distorted text. Turnstile runs a challenge in the backgroun