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API Validator

San Francisco, CA

On the record

Artifact search
Users can search GitHub, GitLab, and Bitbucket for artifacts using their own tokens, or upload a file from disk.validator.apicommons.org · read 7 Oct 2026
Documentation
The tool can generate documentation for the current artifact and download it as HTML or Markdown.validator.apicommons.org · read 7 Oct 2026
Editing
The editor uses Monaco and supports switching between YAML and JSON.validator.apicommons.org · read 7 Oct 2026
Git integrations
It can search GitHub, GitLab, and Bitbucket using the user's own token and can commit changes or open a pull request to a repository.validator.apicommons.org · read 7 Oct 2026
Intended audience
The maker describes it as a simple, deliberately narrow validator for four API artifact types.github.com · read 7 Oct 2026
License
The repository states that the code is licensed under Apache-2.0.github.com · read 7 Oct 2026
Limits
The maker describes its scope as deliberately limited to four artifact types.validator.apicommons.org · read 7 Oct 2026
Lint engine
It uses the Spectral engine, with built-in Spectral rulesets for OpenAPI and AsyncAPI and curated inline rules for Arazzo and JSON Schema.validator.apicommons.org · read 7 Oct 2026
Local storage
Documents, tokens, saved artifacts, and rule overrides are stored in browser local storage; Git-host requests are sent directly from the browser when those features are used.github.com · read 7 Oct 2026
Local use
The Run Locally button downloads the whole app as a self-contained file that can run offline.validator.apicommons.org · read 7 Oct 2026
Maintainer
The project is maintained openly under API Commons and is a project of API Evangelist.github.com · read 7 Oct 2026
Maker
API Validator is a project of API Evangelist and is maintained under API Commons.validator.apicommons.org · read 7 Oct 2026
Offline use
The entire app can be downloaded as a single self-contained file for local use.validator.apicommons.org · read 7 Oct 2026
Pricing and licensing
The project is open source and free to fork; API Evangelist offers expert governance services for users who want help.validator.apicommons.org · read 7 Oct 2026
Privacy
The maker says the app has no backend or accounts and that tokens and documents stay in the browser.validator.apicommons.org · read 7 Oct 2026
Purpose
API Validator lints API descriptions against a Spectral-powered governance ruleset in the browser.validator.apicommons.org · read 7 Oct 2026
Rule controls
Users can filter, disable, or retune rules; saved overrides persist in the browser.validator.apicommons.org · read 7 Oct 2026
Rules
Users can adjust a finding’s severity, message, or description, or disable its rule; saved overrides persist in the browser.validator.apicommons.org · read 7 Oct 2026

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