openapi-fetchv0.17.0, 11 Feb 2026
Fast, type-safe fetch client for your OpenAPI schema. Only 6 kb (min). Works with React, Vue, Svelte, or vanilla JS.
$ npm install openapi-fetch@kubb/oasv4.39.3, 4 Aug 2026
OpenAPI Specification (OAS) utilities and helpers for Kubb, providing parsing, normalization, and manipulation of OpenAPI/Swagger schemas.
$ npm install @kubb/oas| Metric | openapi-fetch | @kubb/oas | Difference |
|---|---|---|---|
| Weekly downloads | 6,577,083 | 166,505 | openapi-fetch 39.5x higher |
| 12-month download growth | +383% | - | - |
| Gzip size | - | - | - |
| Minified size | - | - | - |
| Dependencies | 1 | 11 | @kubb/oas 10 more |
| Unpacked size | 223 kB | 276 kB | openapi-fetch 24% smaller |
| Latest release | 0.17.0, 11 Feb 2026 | 4.39.3, 4 Aug 2026 | @kubb/oas 6 months more recent |
| Releases, last 12 months | 5 | - | - |
| First published | 14 Mar 2023 | - | - |
| GitHub stars | 8,382 | 1,804 | openapi-fetch 4.6x higher |
| Open issues | 210 | 5 | openapi-fetch 205 more |
| Open pull requests | 80 | 1 | openapi-fetch 79 more |
| Contributors | - | - | - |
| Commits, last 52 weeks | 212 | 4,820 | @kubb/oas 22.7x higher |
| TypeScript types | Bundled | Bundled | Same |
| Module format | ESM + CommonJS | ESM + CommonJS | Same |
| Runtimes | - | - | - |
| License | MIT | MIT | Same |
Green marks the smaller size or the more recent release. Bold marks the higher count, with no judgement implied. Sizes are for the whole package per Bundlephobia. Growth compares the average of the last 4 weeks with the first 4 weeks of the 52-week series.
openapi-fetch6.5m latest week
Week of 23 Sept 2025Week of 15 Sept 2026
openapi-fetch
Major versions
- 0.0.014 Mar 2023
Last 5 releases
- 0.17.011 Feb 2026
- 0.16.08 Feb 2026
- 0.15.28 Feb 2026
- 0.15.014 Oct 2025
- 0.14.12 Oct 2025
77 releases in total, 5 in the last 12 months
@kubb/oas
Major versions
- -
Last 5 releases
- -
Release count not fetched
openapi-fetch
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@kubb/oas
-
openapi-fetch
-
@kubb/oas
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- Module formatBoth ESM + CommonJS
- Need TypeScript types in the package itselfBoth
- Node.js version requirementopenapi-fetch: none declared; @kubb/oas: >=20 (engines field in package.json)
- Need the more recent release@kubb/oas (4.39.3 on 4 Aug 2026 vs 0.17.0 on 11 Feb 2026)
- Higher weekly npm downloadsopenapi-fetch (6.6m vs 166.5k)
Each line is generated from the data above.
- openapi-fetch vs openapi-typescript-codegenNo search data
- openapi-fetch vs openapi-client-axiosNo search data
- openapi-fetch vs zod-openapiNo search data
- openapi-fetch vs @hey-api/openapi-tsNo search data
- openapi-fetch vs oazapftsNo search data
- openapi-types vs openapi-fetchNo search data
- @asteasolutions/zod-to-openapi vs @kubb/oasNo search data
- openapi-client-axios vs @kubb/oasNo search data
- zod-openapi vs @kubb/oasNo search data
- openapi-typescript-codegen vs @kubb/oasNo search data
openapi-fetch: openapi-fetch npm registry, openapi-fetch npm downloads, openapi-fetch GitHub. Data fetched 25 Sept 2026.
Indexability: Indexed.