[](https://travis-ci.org/gcanti/io-ts)  <!-- START doctoc generated TOC please keep comment here to allow auto update --> <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE --> - [Installation](#installation) - [Usage](#usage) - [Stable features](#stable-features) - [Experimental features (version `2.2+`)](#experimental-features-version-22) <!-- END doctoc generated TOC please keep comment here to allow auto update --> # Installation To install the stable version ```sh npm i io-ts fp-ts ``` **Note**. [`fp-ts`](https://github.com/gcanti/fp-ts) is a peer dependency for `io-ts` # Usage ## Stable features - [`index.ts` module](index.md) ## Experimental modules (version `2.2+`) Experimental modules (\*) are published in order to get early feedback from the community, see these tracking [issues](https://github.com/gcanti/io-ts/issues?q=label%3Av2.2+) for further discussions and enhancements. The experimental modules are **independent and backward-incompatible** with stable ones. - [`Decoder.ts` module](Decoder.md) - [`Encoder.ts` module](Encoder.md) - [`Codec.ts` module](Codec.md) - [`Eq.ts` module](Eq.md) - [`Schema.ts` module (advanced feature)](Schema.md) (\*) A feature tagged as _Experimental_ is in a high state of flux, you're at risk of it changing without notice.