System for Payment and Reports of Contracts (SPARC) SPARC is a web-based application used for managing grants, submitting reports and tracking payments. SPARC Login Accessing SPARC Users will use their WIEXT ID to access SPARC. If a user does not have a WIEXT ID, they will need to create a logon by following the WIEXT ID Set-up Instructions. Funding Sources View the 2024 DCF Funding Sources.