Key numbers
As of 25 Sept 2026
- Weekly downloads
- 740.7k
- +143% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 0
- Direct, from package.json
- Last release
- 2 months ago
- v5.1.0
- GitHub stars
- 360
- 40 forks
- Open issues / PRs
- 13 / 5
- Contributors
- -
- Commits, last 52 weeks
- 6
Downloads
Last week 2026-09-15 to 2026-09-21
740,669 downloads last week, 3,854,994 in the last month. The 12-month change of +143% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 391 in total
- Latest version
- 5.1.0, 10 Jul 20262 months ago
- First published
- 25 Mar 2011
- Last push to GitHub
- 10 Jul 202676 days before the snapshot
- Repository archived
- No
- Open issues
- 13
- Open pull requests
- 5
- Commits, last 52 weeks
- 6
- Dependents on npm
- -
Major versions
- v5 first release 5.0.0, 8 Jul 2026
- v4 first release 4.0.0, 4 Dec 2023
- v3 first release 3.0.0, 10 Feb 2022
- v2 first release 2.0.0, 25 Oct 2018
- v1 first release 1.0.0, 12 Feb 2015
- v0 first release 0.0.2, 25 Mar 2011
Recent releases
| Version | Published |
|---|---|
| 5.1.0 | 10 Jul 2026 |
| 5.0.0 | 8 Jul 2026 |
| 4.0.7 | 18 Feb 2026 |
| 4.0.5 | 19 Aug 2024 |
| 4.0.4 | 20 Jun 2024 |
| 4.0.3 | 20 Jun 2024 |
| 4.0.2 | 4 Dec 2023 |
| 4.0.1 | 4 Dec 2023 |
| 4.0.0 | 4 Dec 2023 |
| 3.11.0 | 14 Nov 2023 |
| 3.1.2 | 2 Nov 2023 |
| 3.1.1 | 9 Oct 2023 |
| 3.1.0 | 9 Oct 2023 |
| 3.0.20 | 9 Oct 2023 |
- Module format
- CommonJSFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- >=18.0.0
- Runtimes
- -
- Unpacked size (npm)
- 378 kB
- Dependencies (0)
- None
npm install postmark- jsDelivr
https://cdn.jsdelivr.net/npm/postmark@5.1.0/ - unpkg
https://unpkg.com/postmark@5.1.0/ - esm.sh
https://esm.sh/postmark@5.1.0
Indexability: Indexed.