> ## 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. # Create course lesson > Create a new lesson within a course chapter. Lessons can contain video, text, or assessment content. Required permissions: - `courses:update` ## OpenAPI ````yaml /openapi/api-v1-stable.json post /course_lessons openapi: 3.1.0 info: description: >- The Whop REST API. Please see https://docs.whop.com/developer/api/getting-started for more details. termsOfService: https://whop.com/tos-developer-api/ title: Whop API version: 1.0.0 x-api-version-date: '2026-08-21' servers: - description: Production Whop API url: https://api.whop.com/api/v1 - description: Sandbox Whop API url: https://sandbox-api.whop.com/api/v1 security: [] tags: - description: Products name: Products - description: Payments name: Payments - description: Refunds name: Refunds - description: Disputes name: Disputes - description: Dispute alerts name: Dispute alerts - description: Resolution center cases name: Resolution center cases - description: Checkout configurations name: Checkout configurations - description: Setup intents name: Setup intents - description: Payment methods name: Payment methods - description: Invoices name: Invoices - description: Promo codes name: Promo codes - description: Card transactions name: Card transactions - description: Ledger accounts name: Ledger accounts - description: Withdrawals name: Withdrawals - description: Payout methods name: Payout methods - description: Verifications name: Verifications - description: Identity profiles name: Identity profiles - description: Payout accounts name: Payout accounts - description: Topups name: Topups - description: Companies name: Companies - description: Authorized users name: Authorized users - description: Fee markups name: Fee markups - description: Members name: Members - description: Memberships name: Memberships - description: Leads name: Leads - description: Entries name: Entries - description: Shipments name: Shipments - description: Reviews name: Reviews - description: Company token transactions name: Company token transactions - description: Affiliates name: Affiliates - description: Experiences name: Experiences - description: Forums name: Forums - description: Forum posts name: Forum posts - description: Chat channels name: Chat channels - description: Support channels name: Support channels - description: Messages name: Messages - description: Reactions name: Reactions - description: Dm members name: Dm members - description: Dm channels name: Dm channels - description: Notifications name: Notifications - description: Courses name: Courses - description: Course chapters name: Course chapters - description: Course lessons name: Course lessons - description: Course students name: Course students - description: Course lesson interactions name: Course lesson interactions - description: Apps name: Apps - description: Webhooks name: Webhooks - description: App builds name: App builds - description: Access tokens name: Access tokens - description: Account links name: Account links - description: Files name: Files - description: Ai chats name: Ai chats - description: Bounties name: Bounties - description: Stats name: Stats - description: Conversions name: Conversions - description: Ad reports name: Ad reports paths: /course_lessons: post: tags: - Course lessons summary: Create course lesson description: >- Create a new lesson within a course chapter. Lessons can contain video, text, or assessment content. Required permissions: - `courses:update` operationId: createCourseLesson parameters: [] requestBody: content: application/json: schema: description: Parameters for CreateLesson properties: chapter_id: description: >- The unique identifier of the chapter to create the lesson in (e.g., "chap_XXXXX"). example: chap_xxxxxxxxxxxxx type: string content: description: The Markdown content body of the lesson. type: - string - 'null' days_from_course_start_until_unlock: description: >- The number of days after a student starts the course before this lesson becomes accessible. example: 42 type: - integer - 'null' embed_id: description: >- The external video identifier for embedded content (e.g., a YouTube video ID or Loom share ID). type: - string - 'null' embed_type: description: >- The type of video embed for this lesson, such as YouTube or Loom. oneOf: - $ref: '#/components/schemas/EmbedTypes' - type: 'null' lesson_type: $ref: '#/components/schemas/LessonTypes' description: >- The content type of the lesson, such as video, text, quiz, or knowledge check. thumbnail: description: >- The thumbnail image for the lesson in PNG, JPEG, or GIF format. properties: id: description: The ID of an existing file object. type: string required: - id title: FileInputWithId type: - object - 'null' title: description: >- The display title of the lesson (e.g., "Getting Started with APIs"). type: - string - 'null' required: - chapter_id - lesson_type type: object required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/CourseLesson' description: A successful response '400': content: application/json: example: error: code: parameter_missing message: 'Missing required parameter: amount.' param: amount type: invalid_request_error schema: properties: error: properties: code: description: >- A short string indicating the specific error code, e.g. 'parameter_missing', 'parameter_invalid', 'invalid_json' type: - string - 'null' message: type: string param: description: The parameter that caused the error, if applicable type: - string - 'null' type: type: string required: - type - message type: object required: - error type: object description: Bad request '401': content: application/json: example: error: message: Invalid or missing API key type: unauthorized schema: properties: error: properties: code: description: >- A short string indicating the specific error code, e.g. 'parameter_missing', 'parameter_invalid', 'invalid_json' type: - string - 'null' message: type: string param: description: The parameter that caused the error, if applicable type: - string - 'null' type: type: string required: - type - message type: object required: - error type: object description: Unauthorized '403': content: application/json: example: error: message: You do not have permission to access this resource type: forbidden schema: properties: error: properties: code: description: >- A short string indicating the specific error code, e.g. 'parameter_missing', 'parameter_invalid', 'invalid_json' type: - string - 'null' message: type: string param: description: The parameter that caused the error, if applicable type: - string - 'null' type: type: string required: - type - message type: object required: - error type: object description: Forbidden '404': content: application/json: example: error: message: Resource not found type: not_found schema: properties: error: properties: code: description: >- A short string indicating the specific error code, e.g. 'parameter_missing', 'parameter_invalid', 'invalid_json' type: - string - 'null' message: type: string param: description: The parameter that caused the error, if applicable type: - string - 'null' type: type: string required: - type - message type: object required: - error type: object description: Not found '422': content: application/json: example: error: null schema: properties: error: properties: code: description: >- A short string indicating the specific error code, e.g. 'parameter_missing', 'parameter_invalid', 'invalid_json' type: - string - 'null' message: type: string param: description: The parameter that caused the error, if applicable type: - string - 'null' type: type: string required: - type - message type: object required: - error type: object description: Verification required '429': content: application/json: example: error: null schema: properties: error: properties: code: description: >- A short string indicating the specific error code, e.g. 'parameter_missing', 'parameter_invalid', 'invalid_json' type: - string - 'null' message: type: string param: description: The parameter that caused the error, if applicable type: - string - 'null' type: type: string required: - type - message type: object required: - error type: object description: Too many requests '500': content: application/json: example: error: message: An unexpected error occurred type: internal_server_error schema: properties: error: properties: code: description: >- A short string indicating the specific error code, e.g. 'parameter_missing', 'parameter_invalid', 'invalid_json' type: - string - 'null' message: type: string param: description: The parameter that caused the error, if applicable type: - string - 'null' type: type: string required: - type - message type: object required: - error type: object description: Internal server error security: - bearerAuth: - courses:update x-codeSamples: - lang: JavaScript source: |- import Whop from '@whop/sdk'; const client = new Whop({ apiKey: process.env['WHOP_API_KEY'], // This is the default and can be omitted }); const lesson = await client.courseLessons.create({ chapter_id: 'chap_xxxxxxxxxxxxx', lesson_type: 'text', }); console.log(lesson.id); components: schemas: EmbedTypes: description: The type of embed for a lesson enum: - youtube - loom type: string LessonTypes: description: The available types for a lesson enum: - text - video - pdf - multi - quiz - knowledge_check type: string CourseLesson: description: >- An individual learning unit within a chapter, which can contain text, video, PDF, or assessment content. properties: assessment_questions: description: >- The list of questions for quiz or knowledge check lessons. Empty for non-assessment lesson types. items: description: An assessment question in a course quiz or knowledge check properties: correct_answer: description: >- The correct answer for the question. Used for short answer questions. Only visible to admins (users with courses:update permission) type: - string - 'null' created_at: description: The datetime the assessment question was created. example: '2023-12-01T05:00:00.401Z' format: date-time type: string id: description: The unique identifier for the assessment question. example: crsaq_xxxxxxxxxxxx type: string image: description: Optional image attachment for the question properties: content_type: description: >- Uploaded file MIME type, such as image/jpeg, video/mp4, or audio/mpeg. example: image/jpeg type: - string - 'null' filename: description: >- The original filename of the uploaded attachment, including its file extension. example: document.pdf type: - string - 'null' id: description: >- Represents a unique identifier that is Base64 obfuscated. It is often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as `"VXNlci0xMA=="`) or integer (such as `4`) input value will be accepted as an ID. type: string url: description: >- 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 type: - string - 'null' required: - id - filename - content_type - url type: - object - 'null' options: description: The answer options for multiple choice/select questions items: description: >- An answer option for a multiple choice or multiple select assessment question properties: id: description: >- The unique identifier for the assessment question option. example: crsaqo_xxxxxxxxxxx type: string is_correct: description: >- Whether this option is a correct answer. Only visible to admins (users with courses:update permission) type: - boolean - 'null' option_text: description: The text of the answer option type: string order: description: The order of this option within the question example: 42 type: integer required: - id - option_text - is_correct - order type: object type: array order: description: The order of the question within its lesson example: 42 type: integer question_text: description: The text of the question type: string question_type: $ref: '#/components/schemas/CoursesAssessmentQuestionTypes' description: The type of the question required: - id - question_text - question_type - correct_answer - order - created_at - image - options type: object type: array attachments: description: >- All supplementary files attached to this lesson returned as a flat array rather than a paginated connection. items: description: Represents an image attachment properties: content_type: description: >- Uploaded file MIME type, such as image/jpeg, video/mp4, or audio/mpeg. example: image/jpeg type: - string - 'null' filename: description: >- The original filename of the uploaded attachment, including its file extension. example: document.pdf type: - string - 'null' id: description: >- Represents a unique identifier that is Base64 obfuscated. It is often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as `"VXNlci0xMA=="`) or integer (such as `4`) input value will be accepted as an ID. type: string url: description: >- 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 type: - string - 'null' required: - id - filename - content_type - url type: object type: array content: description: >- The Markdown content body of the lesson. Null if the lesson has no text content. example: In this lesson, we will cover the basics of technical analysis... type: - string - 'null' created_at: description: The datetime the lesson was created. example: '2023-12-01T05:00:00.401Z' format: date-time type: string days_from_course_start_until_unlock: description: >- The number of days after a student starts the course before this lesson becomes accessible. Null if the lesson is available immediately. example: 42 type: - integer - 'null' embed_id: description: >- The external video identifier for embedded video lessons, such as a YouTube video ID or Loom share ID. Null if the lesson has no embed. example: dQw4w9WgXcQ type: - string - 'null' embed_type: description: >- The platform type for the embedded video. One of: youtube, loom. Null if the lesson has no embed. oneOf: - $ref: '#/components/schemas/EmbedTypes' - type: 'null' id: description: The unique identifier for the lesson. example: lesn_xxxxxxxxxxxxx type: string lesson_type: $ref: '#/components/schemas/LessonTypes' description: >- The content format of this lesson. One of: text, video, pdf, multi, quiz, knowledge_check. main_pdf: description: >- The primary PDF document for PDF-type lessons. Null if this lesson is not a PDF lesson or no PDF has been uploaded. properties: content_type: description: >- Uploaded file MIME type, such as image/jpeg, video/mp4, or audio/mpeg. example: image/jpeg type: - string - 'null' filename: description: >- The original filename of the uploaded attachment, including its file extension. example: document.pdf type: - string - 'null' id: description: >- Represents a unique identifier that is Base64 obfuscated. It is often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as `"VXNlci0xMA=="`) or integer (such as `4`) input value will be accepted as an ID. type: string url: description: >- 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 type: - string - 'null' required: - id - filename - content_type - url type: - object - 'null' order: description: >- The sort position of this lesson within its parent chapter, starting from zero. example: 42 type: integer thumbnail: description: >- The thumbnail image displayed on lesson cards and previews. Null if no thumbnail has been uploaded. properties: url: description: >- 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 type: - string - 'null' required: - url type: - object - 'null' title: description: >- The display name of the lesson shown to students. Maximum 120 characters. example: Understanding Candlestick Patterns type: string video_asset: description: >- The Mux video asset for video-type lessons, used for streaming playback. Null if this lesson has no hosted video. properties: asset_id: description: The Mux-provided ID of the asset type: - string - 'null' audio_only: description: Whether this asset contains only audio type: boolean created_at: description: The datetime the mux asset was created. example: '2023-12-01T05:00:00.401Z' format: date-time type: string duration_seconds: description: The duration of the video in seconds example: 42 type: - integer - 'null' finished_uploading_at: description: The time at which the video finished uploading example: '2023-12-01T05:00:00.401Z' format: date-time type: - string - 'null' id: description: The unique identifier for the mux asset. example: mux_xxxxxxxxxxxxxx type: string playback_id: description: The public playback ID of the Mux asset type: - string - 'null' signed_playback_id: description: The signed playback ID of the Mux asset type: - string - 'null' signed_storyboard_playback_token: description: The signed storyboard playback token of the Mux asset type: - string - 'null' signed_thumbnail_playback_token: description: The signed thumbnail playback token of the Mux asset type: - string - 'null' signed_video_playback_token: description: The signed video playback token of the Mux asset type: - string - 'null' status: $ref: '#/components/schemas/MuxAssetStatuses' description: The status of the Mux asset updated_at: description: The datetime the mux asset was last updated. example: '2023-12-01T05:00:00.401Z' format: date-time type: string required: - id - asset_id - playback_id - signed_playback_id - status - audio_only - duration_seconds - signed_video_playback_token - signed_thumbnail_playback_token - signed_storyboard_playback_token - created_at - updated_at - finished_uploading_at type: - object - 'null' visibility: $ref: '#/components/schemas/LessonVisibilities' description: >- The visibility setting that controls whether this lesson appears to students. One of: visible, hidden. required: - id - title - order - lesson_type - visibility - content - days_from_course_start_until_unlock - embed_type - embed_id - created_at - thumbnail - video_asset - main_pdf - assessment_questions - attachments type: object CoursesAssessmentQuestionTypes: description: The available types for an assessment question enum: - short_answer - true_false - multiple_choice - multiple_select type: string MuxAssetStatuses: description: Mux asset statuses enum: - uploading - created - ready type: string LessonVisibilities: description: >- The available visibilities for a lesson. Determines how / whether a lesson is visible to users. enum: - visible - hidden type: string securitySchemes: bearerAuth: bearerFormat: auth-scheme description: >- An Account API key, account-scoped JWT, App API key, or user OAuth token. Prepend the key or token with `Bearer`, for example `Bearer ***************************`. scheme: bearer type: http ````