No pain elsewhere, slightly when I swallow, I have white bumps in my mouth on my tonsils, what is it?

Infected? If tonsils affected or infected call your primary care physician for examination, diagnosis, and treatment.
See your doctor. A sore throat is pain and irritation of the throat that often precipitates when you swallow. The most common cause of a sore throat is a viral infection that resolves on its own with at-home care. Drink water and get a good rest. You can use otc cold medication. If your pain is not improving after 7 days, see your pcp for evaluation and treatment.