Q.Getting blemishes on my peppers
Please can you tell me what these blemishes are and what is causing it ?

Certified GKH Gardening Expert
That damage can be done by a few things, including: miners, loopers, caterpillars, slugs and more! A general insecticide will usually work, and you can likely craft them with things that you already likely have around the house.
This article will help: https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/prevent-caterpillars.htm
https://www.gardeningknowhow.com/edible/vegetables/pepper/common-pepper-plant-problems.htm
https://www.gardeningknowhow.com/edible/vegetables/pepper/worms-on-peppers.htm