SpecificationsOpen Source✦ Free Tier

Redocly

OpenAPI linting, bundling, and beautiful API docs from one CLI

⭐ 25,500 stars● Health 55 — SlowingDev Productivity
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About

Combines Redoc (25k+ GitHub stars) with a powerful CLI for linting, validating, and bundling OpenAPI specs. Supports OpenAPI 3.x, Swagger 2.0, AsyncAPI, and Arazzo. Enterprise offering adds developer portals and auto-generated code samples across teams.

Choose Redocly when…

  • •You want polished, branded API reference docs
  • •You're already using OpenAPI and want better docs output
  • •Developer experience for your API consumers is a priority

Builder Slot

How do you define what you're building?Optional for most stacks

Spec writing, API design, architecture diagrams, and contract-first tooling — the upstream layer before code is written

Dev Tools
Optional
App Infra
Optional
Hybrid
Optional

Other tools in this slot:

Spec KitMermaidEraserStructurizrSwagger / OpenAPIAsyncAPIStoplightSpeakeasy+3 more

Stack Genome Detection

AIchitect's Genome scanner detects Redocly in your project via these signals:

npm packages
@redocly/cli@redocly/openapi-coreredoc
config files
redocly.yaml.redocly.yaml

Integrates with (3)

SpeakeasySpecifications

Speakeasy reads OpenAPI specs linted and validated by Redocly, generating SDKs from a spec that's already been quality-checked.

→ SDK generation from a validated spec — Redocly catches spec errors before Speakeasy generates code from them.

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FernSpecifications

Fern reads OpenAPI specs managed and validated by Redocly, generating SDKs from a well-structured spec.

→ Clean SDK generation starting from a Redocly-validated spec — spec quality directly improves generated SDK quality.

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AsyncAPISpecifications

Redocly supports rendering AsyncAPI specs alongside OpenAPI specs, providing a unified documentation experience.

→ Unified API docs covering REST and event-driven APIs — both spec formats rendered and validated through one toolchain.

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Alternatives to consider (3)

Swagger / OpenAPIcompare →Stoplightcompare →Mintlifycompare →

Pricing

✦ Free tier available
EnterpriseCustom

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