NY State Office of Child Support Enforcement
This NY State website provides guidance on topics such as collections, enforcement, determining the level of support, and establishing paternity. You can look for information under Custodial and/or Noncustodial Parent Services. You can register for an online account at this site, and use that account to manage your personal information (for example, if you change address or bank accounts) or payments.
The website is also available in Spanish.
NY Child Support Online