[Candid](https://github.com/dfinity/candid/tree/master/spec/Candid.md) is an interface description language (IDL) for interacting with _canisters_ (also known as _services_ or _actors_) running on the Internet Computer.
The Candid crate is a serialization/deserialization library for Candid. You can seamlessly convert between Rust values and Candid in both binary and text format.
See [the docs here](https://docs.rs/candid).