> ## Documentation Index
> Fetch the complete documentation index at: https://docs.whop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Course

> A structured learning module containing chapters and lessons, belonging to an experience.

<ResponseExample>
  ```json Example theme={null}
  {
  	"certificate_after_completion_enabled": true,
  	"chapters": [
  		{
  			"id": "chap_xxxxxxxxxxxxx",
  			"lessons": [
  				{
  					"id": "lesn_xxxxxxxxxxxxx",
  					"lesson_type": "text",
  					"order": 42,
  					"thumbnail": {
  						"url": "https://media.whop.com/abc123/optimized.jpg"
  					},
  					"title": "Understanding Candlestick Patterns",
  					"video_asset": {
  						"duration_seconds": 42,
  						"signed_playback_id": "<string>",
  						"signed_thumbnail_playback_token": "<string>"
  					}
  				}
  			],
  			"order": 42,
  			"title": "Getting Started"
  		}
  	],
  	"cover_image": "https://assets.whop.com/images/course-cover.jpg",
  	"created_at": "2023-12-01T05:00:00.401Z",
  	"description": "Learn advanced trading strategies from industry experts.",
  	"id": "cors_xxxxxxxxxxxxx",
  	"language": "en",
  	"order": "123.45",
  	"require_completing_lessons_in_order": true,
  	"tagline": "Master the fundamentals in 30 days",
  	"thumbnail": {
  		"content_type": "image/jpeg",
  		"filename": "document.pdf",
  		"id": "<string>",
  		"optimized_url": "https://media.whop.com/abc123/optimized.jpg",
  		"source_url": "https://media.whop.com/abc123/original.jpg"
  	},
  	"title": "Introduction to Technical Analysis",
  	"updated_at": "2023-12-01T05:00:00.401Z",
  	"visibility": "visible"
  }
  ```
</ResponseExample>

<ResponseField name="certificate_after_completion_enabled" type="boolean | null" required>
  Whether students receive a PDF certificate after completing all lessons in
  this course. Null if the setting has not been configured.
</ResponseField>

<ResponseField name="chapters" type="array<object>" required>
  An ordered list of all chapters in this course, sorted by their display position.

  <Expandable title="child attributes">
    <ResponseField name="id" type="string" required>
      The unique identifier for the chapter.

      Example: `chap_xxxxxxxxxxxxx`
    </ResponseField>

    <ResponseField name="lessons" type="array<object>" required>
      An ordered list of lessons in this chapter, sorted by display position. Hidden lessons are excluded for non-admin users.

      <Expandable title="child attributes">
        <ResponseField name="id" type="string" required>
          The unique identifier for the lesson.

          Example: `lesn_xxxxxxxxxxxxx`
        </ResponseField>

        <ResponseField name="lesson_type" type="LessonTypes" required>
          The content format of this lesson. One of: text, video, pdf, multi, quiz, knowledge\_check.

          Available options: `text`, `video`, `pdf`, `multi`, `quiz`, `knowledge_check`
        </ResponseField>

        <ResponseField name="order" type="integer" required>
          The sort position of this lesson within its parent chapter, starting from zero.

          Example: `42`
        </ResponseField>

        <ResponseField name="thumbnail" type="object | null" required>
          The thumbnail image displayed on lesson cards and previews. Null if no thumbnail has been uploaded.

          <Expandable title="child attributes">
            <ResponseField name="url" type="string | null" required>
              A pre-optimized URL for rendering this attachment on the client. This should be used for displaying attachments in apps.

              Example: `https://media.whop.com/abc123/optimized.jpg`
            </ResponseField>
          </Expandable>
        </ResponseField>

        <ResponseField name="title" type="string" required>
          The display name of the lesson shown to students. Maximum 120 characters.

          Example: `Understanding Candlestick Patterns`
        </ResponseField>

        <ResponseField name="video_asset" type="object | null" required>
          The Mux video asset for video-type lessons, used for streaming playback. Null if this lesson has no hosted video.

          <Expandable title="child attributes">
            <ResponseField name="duration_seconds" type="integer | null" required>
              The duration of the video in seconds

              Example: `42`
            </ResponseField>

            <ResponseField name="signed_playback_id" type="string | null" required>
              The signed playback ID of the Mux asset
            </ResponseField>

            <ResponseField name="signed_thumbnail_playback_token" type="string | null" required>
              The signed thumbnail playback token of the Mux asset
            </ResponseField>
          </Expandable>
        </ResponseField>
      </Expandable>
    </ResponseField>

    <ResponseField name="order" type="integer" required>
      The sort position of this chapter within its parent course, starting from zero.

      Example: `42`
    </ResponseField>

    <ResponseField name="title" type="string" required>
      The display name of the chapter shown to students. Maximum 150 characters.

      Example: `Getting Started`
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="cover_image" type="string | null" required>
  The URL of the course cover image shown on preview cards. Null if no cover image has been uploaded.

  Example: `https://assets.whop.com/images/course-cover.jpg`
</ResponseField>

<ResponseField name="created_at" type="string<date-time>" required>
  The datetime the course was created.

  Example: `2023-12-01T05:00:00.401Z`
</ResponseField>

<ResponseField name="description" type="string | null" required>
  A brief summary of the course content and objectives. Null if no description has been set.

  Example: `Learn advanced trading strategies from industry experts.`
</ResponseField>

<ResponseField name="id" type="string" required>
  The unique identifier for the course.

  Example: `cors_xxxxxxxxxxxxx`
</ResponseField>

<ResponseField name="language" type="Languages" required>
  The spoken language of the video content, used to generate accurate closed captions. One of: en, es, it, pt, de, fr, pl, ru, nl, ca, tr, sv, uk, no, fi, sk, el, cs, hr, da, ro, bg.

  Available options: `en`, `es`, `it`, `pt`, `de`, `fr`, `pl`, `ru`, `nl`, `ca`, `tr`, `sv`, `uk`, `no`, `fi`, `sk`, `el`, `cs`, `hr`, `da`, `ro`, `bg`
</ResponseField>

<ResponseField name="order" type="string" required>
  The sort position of this course within its parent experience, as a decimal for flexible ordering.

  Example: `123.45`
</ResponseField>

<ResponseField name="require_completing_lessons_in_order" type="boolean" required>
  Whether students must complete each lesson sequentially before advancing to
  the next one.
</ResponseField>

<ResponseField name="tagline" type="string | null" required>
  A short marketing tagline displayed beneath the course title. Null if no tagline has been set.

  Example: `Master the fundamentals in 30 days`
</ResponseField>

<ResponseField name="thumbnail" type="object | null" required>
  The thumbnail image displayed on course cards and previews. Null if no thumbnail has been uploaded.

  <Expandable title="child attributes">
    <ResponseField name="content_type" type="string | null" required>
      Uploaded file MIME type, such as image/jpeg, video/mp4, or audio/mpeg.

      Example: `image/jpeg`
    </ResponseField>

    <ResponseField name="filename" type="string | null" required>
      The original filename of the uploaded attachment, including its file extension.

      Example: `document.pdf`
    </ResponseField>

    <ResponseField name="id" type="string" required />

    <ResponseField name="optimized_url" type="string | null" required>
      A pre-optimized URL for rendering this attachment on the client. This should be used for displaying attachments in apps.

      Example: `https://media.whop.com/abc123/optimized.jpg`
    </ResponseField>

    <ResponseField name="source_url" type="string | null" required>
      The original source URL of the attachment, such as a direct link to S3. This should never be displayed on the client and should always be passed through an Imgproxy transformer.

      Example: `https://media.whop.com/abc123/original.jpg`
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="title" type="string | null" required>
  The display name of the course shown to students. Null if no title has been set.

  Example: `Introduction to Technical Analysis`
</ResponseField>

<ResponseField name="updated_at" type="string<date-time>" required>
  The datetime the course was last updated.

  Example: `2023-12-01T05:00:00.401Z`
</ResponseField>

<ResponseField name="visibility" type="CourseVisibilities" required>
  The visibility setting that controls whether this course appears to students. One of: visible, hidden.

  Available options: `visible`, `hidden`
</ResponseField>