Installation Usage Stable features Experimental features (version 2.2+) Installation To install the stable version npm i io-ts fp-ts Note. fp-ts is a peer dependency for io-ts Usage Stable features index.ts module Experimental features (version 2.2+) Experimental features are published in order to get early feedback from the community, see these tracking issues for further discussions and enhancements. Decoder.ts module Encoder.ts module Codec.ts module Eq.ts module Schema.ts module (advanced feature)