| Quality-based delivery: Improving deliveries of high engagement messages. | Yes: Marketing Messages API for WhatsApp factors if a message is high engagement into delivery decisions, offering up to 9% higher deliveries vs. Cloud API*. High engagement marketing messages refers to messages that are expected by users, relevant, and timely, and therefore more likely to be read and clicked. | No: Message quality does not factor into per-user marketing message limits. No ability to increase delivery for high engagement messages. |