Heat oven to 350℉/177℃.
Line muffin pans with paper liners. Set aside.
In a large bowl, whisk flour, sugar, spice, espresso powder, baking powder, baking soda, and salt together. Set aside.
In a medium bowl, whisk pumpkin, milk, eggs, oil, and vanilla together.
Pour wet ingredients over dry ingredients.
Mix until dry ingredients are incorporated.
Use a 3 Tablespoon scoop to portion batter into prepared pans.
Bake for 20-25 minutes, or until cupcakes test done.