Heat a large skillet over medium heat and add the chopped onion. Cook for 4 to 5 minutes, stirring often, until the onion softens and turns translucent.
Stir in the curry powder and cook for 1 minute to toast the spices and bring out their aroma.
Add the drained chickpeas and pour in the coconut milk. Stir to combine everything evenly.
Bring the mixture to a gentle simmer and let it cook for 10 minutes, stirring occasionally, so the flavors meld and the sauce thickens slightly.
Add the fresh spinach and stir until it wilts, about 2 minutes. Remove the skillet from the heat and serve.