ThumbAPI is a thumbnail generation API built for automation workflows. Turn any title into a production-ready thumbnail with a single REST call. No design tools, no manual work. Plug it directly into your n8n, Make.com, or Zapier workflow and generate thumbnails at scale automatically. Platforms supported: YouTube Instagram X/Twitter LinkedIn Blog posts Thumbnail styles: Faceless — text and graphics only Personalized — with your photo Branded — with your logo Built for automation workflows, content creators, faceless YouTube channels, marketing teams, and developers who publish at scale. One API key. One endpoint. Avg response time 21.3 sec.