Want to learn API testing? Or maybe refresh the basics? Noemi Ferrera published a great tutorial about API Testing, showing around from manual and automation point of view. Concise and insightful!
Do you write contract tests for your API? If not, you have no excuses not to check out this short but handy article on how to use Pact with GraphQL by Rafaela Azevedo.
One more on API testing! If you're using Postman and want to tune your test reports to another level, in this clear guide you'll find out how to use a custom reporter called htmlextra to generate nice-looking HTML reports.
Page Object is still the most popular pattern for mapping and encapsulating selectors for UI tests and here Angie Jones shows with examples how to implement one in a neat way.