Monday Morning Automation– a YouTube show designed to teach test automation from the VERY beginning. 5-minute episodes are released every Monday morning. Check out the trailer:
API/UI Testing Website- this simple web application includes a back-end API so you can practice automating both API and UI tests. You can find the API documentation here.
API REST Request Quick Reference Guide– this colorful reference describes HTTP verbs, path and query parameters, headers, response codes, and JSON formatting! Simply fill in the email signup form to receive the guide.