Preheat your oven to 350°F (175°C). Grease and flour a 9x13-inch baking pan.
In a large mixing bowl, combine the flour, sugar, cocoa powder, baking powder, baking soda, and salt. Whisk until well blended.
In another bowl, mix together the cooled coffee, vegetable oil, eggs, and vanilla extract until smooth.
Gradually add the wet ingredients to the dry ingredients, stirring until just combined. Do not overmix.
Fold in the caramel sauce and chocolate chips, ensuring they are evenly distributed throughout the batter.
Pour the batter into the prepared baking pan and spread it evenly.
Bake for 30-35 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs (not wet batter).
Allow the cake to cool in the pan for about 10 minutes before transferring it to a wire rack to cool completely.