
ApiNotes
6.6#7 in api documentation toolsFrom $19 a monthFree planWeb
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ApiNotes suits developers and teams publishing API references from OpenAPI or Swagger specifications. Starter may suit a single public API, while Team is aimed at groups that need private docs or multiple APIs.
Theneo suits teams that publish API documentation and need collaboration tools or customer-specific portals. Its free Starter plan may suit smaller projects, while self-hosting is listed for Enterprise.