Dashblock - Turn any website into an API
API List - A collective list of APIs. Build something.
ScrapingBee - ScrapingBee is a Web Scraping API that handles proxies and Headless browser for you, so you can focus on extracting the data you want, and nothing else.
Abstract APIs - Simple, powerful APIs for everyday dev tasks
Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
Phantombuster - A marketplace of simple to use no-code APIs