Create a preview

POST /previews

Create a preview for a given documentation file. The preview will have a unique temporary URL, and will be active for 30 minutes.



The preview creation request object

  • REQUIRED if url is not present.

    Serialized definition. This should be an OpenAPI 2.x, 3.x or AsyncAPI 2.x file serialized as a string, in YAML or JSON.

  • references array[object]

    Import external references used by definition. It's usually resources not accessible by servers, like local files or internal URLs.

    Hide references attributes Show references attributes object
    • location string

      Location of the external reference as it's called from definition, without the relative path (the part after #/). Can be an URL of a file system path.

    • content string

      Content of the external reference, as a string.

  • url string(uri)

    REQUIRED if definition is not present.

    Target definition URL. It should be accessible through HTTP by servers.


  • 201 application/json


    Hide response attributes Show response attributes object
    • id string

      Unique id for the preview URL:

    • expires_at string(date-time)

      Preview expiration date and time.

    • The public URL where the preview will be visible.

  • 422 application/json

    Definition is not valid.

    Hide response attributes Show response attributes object
    • message string

      Human readable error message.

    • errors object

      Hash of invalid attributes with their error messages.

POST /previews
curl \
 -X POST \
 -H "Content-Type: application/json" \
 -d '{"definition":"{\"openapi\": \"3.0\", \"info\": { \"title\": … }}\n","references":[{"location":"","content":"string"}],"url":""}'
Request example
  "definition": "{\"openapi\": \"3.0\", \"info\": { \"title\": … }}\n",
  "references": [
      "location": "",
      "content": "string"
  "url": ""
Response examples (201)
  "id": "3ef8f52f-9056-4113-840e-2f7183b90e06",
  "expires_at": "2010-04-14 17:05:00 +0100",
  "public_url": ""
Response examples (422)
  "message": "Invalid definition file",
  "errors": {
    "raw_definition": [
      "The property '#/paths//docs/{:id}/validations/post' contains additional properties [\"yolo\"] outside of the schema when none are allowed"