To apply as an online English teacher in the Philippines, start by researching reputable platforms like VIPKid, iTalki, or Cambly. You'll typically need a good internet connection, a computer or laptop, and a degree, though some platforms may not require formal qualifications. Prepare a short introduction video and your resume to showcase your skills. After applying, you'll likely go through an interview and demo lesson process. For detailed requirements, it's best to check the specific site's application guidelines.