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Head-to-head · API Linting Tools

OpenLint vs AEP OpenAPI Linter

  • Updated Nov 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score OpenLint #6 in API Linting Tools 7.6/10 Free plan Free plan✓ 4 of 5 features Visit OpenLint
AEP OpenAPI Linter #8 in API Linting Tools 7.4/10 Free plan Free plan✓ 1 of 5 features View AEP Linter

OpenLint leads on 1 check, AEP OpenAPI Linter on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenLint · 7.6/10
  • Free planboth
  • Most featuresOpenLint · 4 of 5

OpenLint scores higher on our rubric for api linting tools: 7.6 against 7.4 out of 10; our editors rank them #6 and #8.

OpenLint offers asyncapi linting; AEP OpenAPI Linter doesn't.

OpenLint is the better fit for teams needing custom rules across API formats. AEP OpenAPI Linter is the better fit for teams using AEPs, Spectral and VS Code.

  • OpenLint fits best

    Teams needing custom rules across API formats

  • AEP OpenAPI Linter fits best

    Teams using AEPs, Spectral and VS Code

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Side by side

Feature OpenLint 7.6/10 Visit ↗ AEP OpenAPI Linter 7.4/10 Visit ↗
At a glance
Editor score 7.6 7.4
Ranking #6 in API Linting Tools #8 in API Linting Tools
Best for Teams needing custom rules across API formats Teams using AEPs, Spectral and VS Code
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Self-hosted
Platforms Linux, Windows, macOS Windows, macOS, Linux
Support Community Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features OpenLint 4/5 · AEP OpenAPI Linter 1/5
OpenAPI linting ✓ ✓
AsyncAPI linting ✓ (best) —
GraphQL schema linting Not checked yet —
Custom rules ✓ (best) Not checked yet
CI integration ✓ (best) Not checked yet
Our review
Pros
  • Built-in rulesets cover OpenAPI, AsyncAPI, and Arazzo.
  • Teams can create custom rulesets and JavaScript or TypeScript functions.
  • Runs locally and can be used in CI workflows.
  • Checks OpenAPI documents for conformance to AEPs
  • Rules cover AEP methods and API design patterns
  • Displays findings in the Spectral VS Code extension
Cons
  • Support is community-based.
  • The project was established in September 2026, so its track record is young.
  • It focuses on linting JSON and YAML API artifacts, not broader API management.
  • Focused on AEP conformance rather than broad API linting
  • Works with OpenAPI, not AsyncAPI or GraphQL schemas
  • Requires Spectral configuration and tooling
Our verdict

OpenLint is a community-developed, open-source linter and ruleset project for teams that want to check API artifacts against consistent standards. Its CLI and packages lint JSON and YAML, with built-in rulesets for OpenAPI, AsyncAPI, and…

Read the review →

AEP OpenAPI Linter is an open-source Spectral ruleset for developers and teams who want to check OpenAPI documents against API Enhancement Proposals (AEPs). It is distributed as an npm package and can also reference its ruleset directly…

Read the review →
  1. OpenLintAPI Linting Tools 7.6Free plan
  2. AEP OpenAPI LinterAPI Linting Tools 7.4Free plan

Strengths and trade-offs

  • OpenLint — where it wins

    • Built-in rulesets cover OpenAPI, AsyncAPI, and Arazzo.
    • Teams can create custom rulesets and JavaScript or TypeScript functions.
    • Runs locally and can be used in CI workflows.

    Where it doesn't

    • Support is community-based.
    • The project was established in September 2026, so its track record is young.
    • It focuses on linting JSON and YAML API artifacts, not broader API management.

  • AEP OpenAPI Linter — where it wins

    • Checks OpenAPI documents for conformance to AEPs
    • Rules cover AEP methods and API design patterns
    • Displays findings in the Spectral VS Code extension

    Where it doesn't

    • Focused on AEP conformance rather than broad API linting
    • Works with OpenAPI, not AsyncAPI or GraphQL schemas
    • Requires Spectral configuration and tooling

OpenLint vs AEP OpenAPI Linter: questions

Which is better for API linting tools, OpenLint or AEP OpenAPI Linter?

OpenLint scores higher on our rubric for api linting tools: 7.6 against 7.4 out of 10; our editors rank them #6 and #8.

How do OpenLint and AEP OpenAPI Linter compare?

Of the 6 checks we put side by side, OpenLint leads on 1, AEP OpenAPI Linter on none, and 5 are level. AsyncAPI linting only on OpenLint.

Do OpenLint and AEP OpenAPI Linter have a free plan?

OpenLint: Yes. AEP OpenAPI Linter: Yes.

More comparisons

All API linting tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update