npm · npm:io-ts

io-ts active

TypeScript runtime type system for IO decoding/encoding

The latest stable version of io-ts is 2.2.22, published on 2024-12-10. Verified by Vigia on 2026-11-12.

Latest stable version	2.2.22
Published	2024-12-10 11:52:16 UTC
Install	`npm install io-ts@latest`
Requires (engines)	none declared
Peer dependencies	`fp-ts ^2.5.0`
Dist-tags	`next: 2.0.3` `latest: 2.2.22`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 15:58:36 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2024-12-10 11:52:16 UTC · 702 days ago
Stable releases in the last 12 months	0
Published versions	121

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`2.2.22`	2024-12-10 11:52:16 UTC
`2.2.21`	2023-12-03 18:30:46 UTC
`2.2.20`	2022-12-03 03:34:33 UTC
`2.2.19`	2022-10-06 12:23:01 UTC
`2.2.18`	2022-08-29 14:27:30 UTC
`2.2.17`	2022-07-28 12:54:23 UTC
`2.2.16`	2021-03-08 13:43:51 UTC
`2.2.15`	2021-02-22 15:44:39 UTC
`2.2.14`	2021-02-03 08:56:23 UTC
`2.2.13`	2020-11-20 15:26:16 UTC
`2.2.12`	2020-10-28 15:30:02 UTC
`2.2.11`	2020-10-05 09:54:24 UTC
`2.2.10`	2020-08-19 08:40:09 UTC
`2.2.9`	2020-07-16 15:25:46 UTC
`2.2.8`	2020-07-13 15:46:48 UTC
`2.2.7`	2020-06-29 07:22:45 UTC
`2.2.6`	2020-06-16 14:15:50 UTC
`2.2.5`	2020-06-14 15:52:09 UTC
`2.2.4`	2020-05-27 13:28:49 UTC
`2.2.3`	2020-05-21 10:17:05 UTC

Showing the 20 most recent of 114 versions. JSON

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Frequently asked questions

What is the latest version of io-ts?

The latest stable version of io-ts is 2.2.22, published on 2024-12-10. Verified by Vigia on 2026-11-12.

How do I install the latest version of io-ts?

Run npm install io-ts@latest. The latest stable version is 2.2.22 (verified 2026-11-12).

Is io-ts deprecated?

No. io-ts is not marked as deprecated in the registry.

Which Node.js version does io-ts require?

io-ts 2.2.22 does not declare a Node.js version requirement.

Does io-ts 2.2.22 have known vulnerabilities?

No known advisories affect io-ts 2.2.22 according to the data Vigia checks.

Is io-ts still maintained?

io-ts published 0 stable releases in the last 12 months; the most recent was 702 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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