How can I get assistance regarding billing and payment? Shari September 11, 2020 16:43 Updated Follow If you have a question or would like assistance related to billing and payment for your AdBuilder Audio Campaign(s), please feel free to contact support by clicking here. Related articles How does the credit card billing process work? What is the cost to revise a custom audio ad after it has been created? Where can I see my iHeart AdBuilder transaction history? Hours of Operation What US markets do I have access to in AdBuilder?