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KeystoneJS vs Swagger/OpenAPI

KeystoneJS logo

KeystoneJS

Software

Powerful Node.js headless CMS framework and API platform

From
Free
Rated
-
Full reviewWebsite
S

Swagger/OpenAPI

Software

API specification and documentation framework using OpenAPI standard

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: KeystoneJS database support is limited to PostgreSQL, MySQL and SQLite; Swagger/OpenAPI the OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it
  • They diverge on capability: KeystoneJS covers REST API, Swagger/OpenAPI covers OpenAPI Specification.

Where they differ

Only the attributes on which KeystoneJS and Swagger/OpenAPI actually diverge.

Attributes where KeystoneJS and Swagger/OpenAPI differ
AttributeKeystoneJSSwagger/OpenAPI
Pricing modelopen-sourcefreemium
PlatformsNode.js, Self-hostedWeb, CLI, Desktop
Founded20162001

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in KeystoneJS

  • REST API
  • GraphQL API
  • Admin interface
  • Node.js
  • Next.js
  • React
  • Databases
  • Node.js support

Only in Swagger/OpenAPI

  • OpenAPI Specification
  • Interactive Documentation
  • Code Generation
  • GitHub
  • GitLab
  • Jenkins
  • IDE plugins
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

KeystoneJS

  • Building a headless CMS with a GraphQL API from a TypeScript schemanot Swagger/OpenAPI
  • Generating a configurable Admin UI for editorsnot Swagger/OpenAPI
  • Adding structured rich text content with the document fieldnot Swagger/OpenAPI

Swagger/OpenAPI

  • API Developmentnot KeystoneJS
  • API Gatewaynot KeystoneJS
  • API Testingnot KeystoneJS
  • API Documentationnot KeystoneJS
  • Microservicesnot KeystoneJS

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

KeystoneJS

  • Database support is limited to PostgreSQL, MySQL and SQLite
  • Keystone 5 is a separate legacy product documented on a different site and is not covered by the Keystone 6 docs
  • Upgrading requires following a dedicated Migrate to 8.0.0 guide, so major versions are not drop-in
  • Free support is a community Slack; enterprise-grade consulting and support is a separate paid engagement with Thinkmill and no published price

Swagger/OpenAPI

  • The OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it

Pricing, plan by plan

KeystoneJS

Free
  • Open SourceFree
    • Full KeystoneJS
    • Community support

Swagger/OpenAPI

Free
  • Open SourceFree
    • OpenAPI specification
    • Community tools
  • SwaggerHub FreeFree
    • Cloud editor
    • API mocking
    • API testing
  • SwaggerHub Pro$75/monthly
    • Team collaboration
    • Advanced mocking
    • Analytics

Which should you pick?

Choose KeystoneJS if

  • You need rest api.
  • You want to start without paying.
  • You work on Node.js, Self-hosted.
  • You also want graphql api.
KeystoneJS review

Choose Swagger/OpenAPI if

  • You need openapi specification.
  • You want to start without paying.
  • You work on Web, CLI, Desktop.
  • You also want interactive documentation.
Swagger/OpenAPI review

Questions people ask

Is KeystoneJS or Swagger/OpenAPI better?
Neither clearly leads. KeystoneJS starts at Free and Swagger/OpenAPI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, KeystoneJS or Swagger/OpenAPI?
KeystoneJS starts at Free and Swagger/OpenAPI at Free.
Does KeystoneJS or Swagger/OpenAPI run on more platforms?
KeystoneJS runs on Node.js, Self-hosted. Swagger/OpenAPI runs on Web, CLI, Desktop.
Can I use KeystoneJS for free?
Both have a free tier, so you can try either at no cost before committing.
What is KeystoneJS best used for?
KeystoneJS is most often used for building a headless cms with a graphql api from a typescript schema, generating a configurable admin ui for editors, adding structured rich text content with the document field. Of those, building a headless cms with a graphql api from a typescript schema and generating a configurable admin ui for editors are not what Swagger/OpenAPI is typically brought in for.
What can KeystoneJS do that Swagger/OpenAPI cannot?
KeystoneJS covers REST API, GraphQL API, Admin interface, Node.js. Swagger/OpenAPI covers OpenAPI Specification, Interactive Documentation, Code Generation, GitHub.
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