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express-openapi-validator

Automatically validate API requests and responses with OpenAPI 3 and Express.

v5.6.2, 20 Jan 2026MITCommonJSTypes: BundledDocumentation toolingHTTP servers and web frameworks
$ npm install express-openapi-validator

Key numbers

As of 25 Sept 2026
Weekly downloads
409.5k
+25% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
14
Direct, from package.json
Last release
8 months ago
v5.6.2
GitHub stars
1k
237 forks
Open issues / PRs
164 / 100
Contributors
-
Commits, last 52 weeks
59

Downloads

Last week 2026-09-15 to 2026-09-21
0200k400k600k800kSept 2025Mar 2026Sept 2026High 612.5k (14 Jul 2026)Low 188.7k (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.

409,512 downloads last week, 1,905,490 in the last month. The 12-month change of +25% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
2269 in total
Latest version
5.6.2, 20 Jan 20268 months ago
First published
25 Mar 2019
Last push to GitHub
10 Sept 202615 days before the snapshot
Repository archived
No
Open issues
164
Open pull requests
100
Commits, last 52 weeks
59
Dependents on npm
230

Major versions

  1. v5 first release 5.0.0, 19 Nov 2022
  2. v4 first release 4.0.0, 28 Sept 2020
  3. v3 first release 3.0.0, 3 Dec 2019
  4. v2 first release 2.0.0, 11 Sept 2019
  5. v1 first release 1.0.0, 11 Jun 2019
  6. v0 first release 0.3.34, 26 Mar 2019

Recent releases

VersionPublished
5.6.220 Jan 2026
5.6.117 Jan 2026
5.6.06 Sept 2025
5.5.827 Jul 2025
5.5.711 Jun 2025
5.5.67 Jun 2025
5.5.57 Jun 2025
5.5.47 Jun 2025
4.13.97 Jun 2025
5.5.324 May 2025
5.5.219 May 2025
5.5.118 May 2025
5.5.011 May 2025
5.4.96 Apr 2025
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
428 kB
Dependencies (14)
qsajvonomulterlodash.getajv-formatsmedia-typerajv-draft-04content-type@types/multerpath-to-regexplodash.clonedeepjson-schema-traverse@apidevtools/json-schema-ref-parser
Peer dependencies (1)
express
npm install express-openapi-validator
  • jsDelivrhttps://cdn.jsdelivr.net/npm/express-openapi-validator@5.6.2/
  • unpkghttps://unpkg.com/express-openapi-validator@5.6.2/
  • esm.shhttps://esm.sh/express-openapi-validator@5.6.2
PackageWeekly downloadsGzipLast releaseModuleComparison
openapi-data-validator9.7k-11 months agoCommonJS-
express-openapi-validate5.7k-5 years agoCommonJS-
express-openapi23.6k-3 years agoCommonJS-
swagger-routes-express6.3k-1 year agoCommonJS-
redoc-express67.5k-10 months agoCommonJS-
express-jsdoc-swagger12.8k-4 years agoCommonJS-
@tsoa/runtime281k-9 months agoCommonJS-
@tsoa/cli263.8k-9 months agoCommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.