stripe customer payment methods code example Example: stripe customer subscription creation Stripe.apiKey = "sk_test_51GxVwbJ4s7XuDwiBI9WcRYmSuSJihNlMtIaZNZv5G2UvFAdGbj5VHvhwhSODsF4xsd1jYOPqWlORLUMpXkiX4Hhf00PgGFcKqp"; List items = new ArrayList<>(); Map item1 = new HashMap<>(); item1.put( "price", "price_1GyXO4J4s7XuDwiBgZuarsP8" ); items.add(item1); Map params = new HashMap<>(); params.put("customer", "cus_HXPA4Dd7nRTM5W"); params.put("items", items); Subscription subscription = Subscription.create(params);