In a mixing bowl, combine the vegan cream cheese, vegan mayonnaise, chopped hearts of palm, soy sauce, garlic powder, onion powder, salt, and black pepper. Mix well.
Transfer the mixture to a baking dish and spread it out evenly.
Bake in the preheated oven for 20 minutes or until the top is golden and bubbly.
Remove from the oven and let it cool slightly. Garnish with chopped chives before serving.