For people who are not sure where to begin:

ResourceContactService/Notes
United Way 211211 or 1-800-427-4626Broad referrals for housing, food, utilities, shelter, health care, financial assistance and other needs.
988 Suicide & Crisis LifelineCall/text 98824/7 crisis support and connection to local behavioral-health resources.
Behavioral Health Response314-819-8811 adult; 314-819-8802 youth; text BHEARD to 3165824/7 crisis support, telephone counseling and mental-health resources.
Start Here STLOnlineSearchable St. Louis resource directory for food, housing, health and basic needs.