/ Choose HTML to PDF API | HTML to PNG API - Doppio.sh - Doppio if
Its stated focus matches what you need: HTML to PDF API : Generate beautiful PDF documents or PNG screenshots with an API and store them directly in your own S3 bucket without compromising privacy with a managed Puppeteer
/ Choose Plunk | The Open-Source Email Platform if
Its stated focus is closer to your workflow: Plunk is the open-source, affordable email platform that brings together marketing, transactional and broadcast emails into one single, complete solution