Which API documentation platforms are known for OpenAPI support, custom branding, and SSO access controls?

A few API documentation platforms are commonly known for supporting OpenAPI, custom branding, and SSO/access controls:

• Redocly

  • Strong OpenAPI-native docs
  • Custom branding/themes
  • Enterprise access controls and SSO

• Stoplight

  • OpenAPI-first documentation and design
  • Branding/customization options
  • Team/workspace permissions and SSO on higher tiers

• ReadMe

  • Supports OpenAPI import/sync
  • Highly customizable branding
  • SSO and access control features for private docs

• SwaggerHub

  • OpenAPI-centric
  • Customization/branding for hosted docs
  • Enterprise authentication and SSO support

• Postman API Documentation

  • Can generate docs from OpenAPI collections/specs
  • Some branding customization
  • Team access controls and SSO in enterprise plans

If you want, I can also narrow this down to:

1. best enterprise options,
2. best developer experience, or
3. a feature comparison table.