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Package

jayson

JSON-RPC 1.0/2.0 compliant server and client

v5.0.0, 18 Sept 2026MIT-Types: Bundled
$ npm install jayson

Key numbers

As of 25 Sept 2026
Weekly downloads
1.9m
+122% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
9
Direct, from package.json
Last release
6 days ago
v5.0.0
GitHub stars
726
115 forks
Open issues / PRs
1 / 0
Contributors
-
Commits, last 52 weeks
13

Downloads

Last week 2026-09-15 to 2026-09-21
01m2m3mSept 2025Mar 2026Sept 2026High 2.6m (25 Aug 2026)Low 633.3k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

1,924,416 downloads last week, 8,792,857 in the last month. The 12-month change of +122% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
260 in total
Latest version
5.0.0, 18 Sept 20266 days ago
First published
2 Jul 2012
Last push to GitHub
18 Sept 20266 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
13
Dependents on npm
464

Major versions

  1. v5 first release 5.0.0, 18 Sept 2026
  2. v4 first release 4.0.0, 12 Aug 2022
  3. v3 first release 3.0.0, 31 Mar 2019
  4. v2 first release 2.0.0, 5 Feb 2016
  5. v1 first release 1.0.1, 2 Jul 2012

Recent releases

VersionPublished
5.0.018 Sept 2026
4.3.022 Dec 2025
4.2.019 Apr 2025
4.1.326 Nov 2024
4.1.222 Aug 2024
4.1.16 Jul 2024
4.1.029 Apr 2023
4.0.012 Aug 2022
3.7.012 Aug 2022
3.6.712 Aug 2022
3.6.615 Dec 2021
3.6.512 Oct 2021
3.6.426 Jun 2021
3.6.321 May 2021
Module format
-Not determined from package.json
TypeScript types
Bundled
Node.js engine range
>=20
Runtimes
-
Unpacked size (npm)
166 kB
Dependencies (9)
wsdelay@types/wscommander@types/nodees6-promisifyisomorphic-ws@types/connectjson-stringify-safe
npm install jayson
  • jsDelivrhttps://cdn.jsdelivr.net/npm/jayson@5.0.0/
  • unpkghttps://unpkg.com/jayson@5.0.0/
  • esm.shhttps://esm.sh/jayson@5.0.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.