Answer: Papaya is not keto, as it's too high in carbs.
Each serving of papaya (1 cup 1" pieces) contains 13.2 g of net carbs. Unfortunately, that's a bit too high to be appropriate for the keto diet.
Unfortunately, only a few fruits have a low enough carb count to fit the keto diet. If you're dying for some fruit, berries tend to be your best bet. Here are a few keto-friendly options:
Although it may not spring to mind when you think "fruit," avocados are the most keto-friendly fruit you can find. They're high in healthy fats and have a low carb profile, making them ideal for keto.