Background: The transition to parenthood requires adjustments to new norms and expectations. While there is significant focus on the parenting transition for birthing parents (persons with a uterus), nonbirthing parents (parents who do not give birth, including fathers, gender-diverse parents, adoptive parents, or nongestational coparents) are less supported. Preventive education via SMS text messaging can fill a health service gap and provide timely, standardized, evidence-based information. The Essential Coaching Postpartum program includes 6 weeks of evidence-based daily SMS text messages on topics such as infant care, normal development, parental mental health, and self-care, with streams designed for birthing parents (Essential Coaching for Every Mother) and nonbirthing parents (Essential Coaching for Every Partner).