> ## Documentation Index > Fetch the complete documentation index at: https://docs.vacademy.io/llms.txt > Use this file to discover all available pages before exploring further. # Get a course outline > Subject, module and chapter titles of each version (no content). Cached for 5 minutes. With `language`, only that language's versions (all versions if it has none). Scope: `catalog:read`. Cacheable for 60 s. ## OpenAPI ````yaml /api-reference/openapi.json get /courses/{id}/outline openapi: 3.1.0 info: title: Vacademy Catalogue API version: 1.0.0 description: >- Read an institute's published courses, streams and learning paths for its own website, and send enquiries into its CRM. servers: - url: https://api.vacademy.ai/catalog/v1 security: - ApiKey: [] - Bearer: [] tags: - name: Site - name: Courses - name: Streams - name: Learning paths - name: Enquiries paths: /courses/{id}/outline: get: tags: - Courses summary: Get a course outline description: >- Subject, module and chapter titles of each version (no content). Cached for 5 minutes. With `language`, only that language's versions (all versions if it has none). Scope: `catalog:read`. Cacheable for 60 s. operationId: getCourseOutline parameters: - name: id in: path required: true schema: type: string example: 7c12a9ec-22c3-4c55-ada1-2a93e107816f - name: language in: query required: false description: >- A code from `GET /site` `languages`. Shows that language's version of the course (title, url, price). Ignored when the site has course languages off. schema: type: string example: hi responses: '200': description: The outline. headers: X-Request-Id: $ref: '#/components/headers/RequestId' Cache-Control: $ref: '#/components/headers/CacheControl' content: application/json: schema: $ref: '#/components/schemas/Outline' example: levels: - package_session_id: 92e89046-5865-4cf7-bea6-ac1e8b7bd328 level: null subjects: - id: b1f6a0c2-3d4e-4f50-8a1b-2c3d4e5f6a7b name: Vedic Parenting modules: - id: c2a7b1d3-4e5f-4061-9b2c-3d4e5f6a7b8c name: The Panchakosha system chapters: - id: d3b8c2e4-5f60-4172-ac3d-4e5f6a7b8c9d name: Why parenting is a science - id: e4c9d3f5-6071-4283-bd4e-5f6a7b8c9d0e name: The five sheaths '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '404': $ref: '#/components/responses/NotFound' '429': $ref: '#/components/responses/RateLimited' '503': $ref: '#/components/responses/AuthUnavailable' components: headers: RequestId: schema: type: string description: Unique id of this request. Quote it to support. CacheControl: schema: type: string description: '`public, max-age=60` on reads; `no-store` on errors and `POST /leads`.' RetryAfter: schema: type: integer description: Seconds to wait before retrying. schemas: Outline: type: object properties: levels: type: array items: type: object properties: package_session_id: type: string level: type: - string - 'null' subjects: type: array items: type: object properties: id: type: string name: type: - string - 'null' modules: type: array items: type: object properties: id: type: string name: type: - string - 'null' chapters: type: array items: type: object properties: id: type: string name: type: - string - 'null' required: - id - name required: - id - name - chapters required: - id - name - modules required: - package_session_id - level - subjects description: One entry per version (all versions, or those in `language`). required: - levels Error: type: object properties: error: type: object properties: code: type: string example: not_found enum: - missing_api_key - invalid_api_key - product_not_enabled - insufficient_scope - origin_not_allowed - rate_limited - not_found - method_not_allowed - invalid_request - auth_unavailable - internal_error description: >- Stable machine-readable code. Branch on this, never on `message`. message: type: string description: A sentence for logs. Wording may change. request_id: type: string description: Also in the `X-Request-Id` header. Quote it to support. details: type: object additionalProperties: true description: >- Present only when there is more to say: `param` (invalid_request), `required_scope` (insufficient_scope), `origin` (origin_not_allowed), `limit_per_minute` (rate_limited). required: - code - message - request_id required: - error responses: Unauthorized: description: No key, or the key is not valid. headers: X-Request-Id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' examples: missing_api_key: value: error: code: missing_api_key message: >- Send your publishable key in the X-API-Key header (or Authorization: Bearer). request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 invalid_api_key: value: error: code: invalid_api_key message: This API key is invalid, revoked or expired. request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 Forbidden: description: >- The key may not make this request, or the browser origin is not one of the institute's verified websites. headers: X-Request-Id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' examples: origin_not_allowed: value: error: code: origin_not_allowed message: >- Add and verify preview-abc.vercel.app in Settings → Integrations → Catalogue API & websites to call this API from it. request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 details: origin: preview-abc.vercel.app insufficient_scope: value: error: code: insufficient_scope message: This API key does not have the leads:write scope. request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 details: required_scope: leads:write product_not_enabled: value: error: code: product_not_enabled message: This API key is not a Catalogue API key. request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 NotFound: description: No such course or learning path for this institute. headers: X-Request-Id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' examples: not_found: value: error: code: not_found message: Course not found. request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 RateLimited: description: Too many requests for this key (or, on `POST /leads`, this visitor). headers: X-Request-Id: $ref: '#/components/headers/RequestId' Retry-After: $ref: '#/components/headers/RetryAfter' content: application/json: schema: $ref: '#/components/schemas/Error' examples: rate_limited: value: error: code: rate_limited message: Too many requests for this API key (limit 1200 per minute). request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 details: limit_per_minute: 1200 AuthUnavailable: description: >- Keys could not be checked for a moment. Retry after `Retry-After` seconds. headers: X-Request-Id: $ref: '#/components/headers/RequestId' Retry-After: $ref: '#/components/headers/RetryAfter' content: application/json: schema: $ref: '#/components/schemas/Error' examples: auth_unavailable: value: error: code: auth_unavailable message: Could not verify the API key right now. Retry shortly. request_id: req_3f2a9c1d7e5b4a608f1e2d3c4b5a6978 securitySchemes: ApiKey: type: apiKey in: header name: X-API-Key description: Your publishable Catalogue API key (`vak_pub_…`). Bearer: type: http scheme: bearer description: 'The same key as `Authorization: Bearer vak_pub_…`.' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.