# Sirius Folding APIs

- [\`StepCircuit\` trait](/sirius-folding/sirius-folding-apis/stepcircuit-trait.md)
- [\`PublicParams\` Struct](/sirius-folding/sirius-folding-apis/publicparams-struct.md)
- [\`IVC\` struct](/sirius-folding/sirius-folding-apis/ivc-struct.md)