In a large mixing bowl, combine pumpkin puree, honey, peanut butter, and vanilla extract. Stir until smooth and well blended.
Add oats, flaxseed, pumpkin pie spice, and salt to the wet ingredients. Mix until everything is evenly distributed.
Fold in the mini chocolate chips.
Cover the bowl and refrigerate for at least 30 minutes to make the mixture easier to handle.
Once chilled, use a tablespoon or small cookie scoop to portion out the mixture. Roll each portion between your palms to form a ball.
Store energy bites in an airtight container in the refrigerator for up to 1 week, or freeze for up to 3 months.