> ## Documentation Index > Fetch the complete documentation index at: https://docs.classquill.com/llms.txt > Use this file to discover all available pages before exploring further. # Update Lesson Plan > Update a lesson plan (partial — send only fields to change). 404 unless the plan's `organization_id` is your org. Any newly referenced classroom/group/student must also belong to your org. Returns the full updated plan. ## OpenAPI ````yaml /openapi.json put /v1/lesson-plans/{plan_id} openapi: 3.1.0 info: title: ClassQuill Public API description: >- REST API for ClassQuill tutoring organisations. Pipe your sessions, invoices, payments, tutor earnings, students, and more into your own tools. Most endpoints are reads; a focused set of writes (each gated by a *:write scope) create or update data, including creating student/tutor/parent accounts. Authenticate every request with an org API key: Authorization: Token token=cq_live_... Mint keys in the ClassQuill app under Settings → Developers. version: 1.0.0 servers: [] security: - ApiKeyAuth: [] tags: - name: General - name: Sessions - name: Tutors - name: Students & Parents - name: Billing - name: Curriculum - name: Coursework - name: Operations - name: Pricing - name: Bookings - name: Blog - name: Reports paths: /v1/lesson-plans/{plan_id}: put: tags: - Coursework summary: Update Lesson Plan description: >- Update a lesson plan (partial — send only fields to change). 404 unless the plan's `organization_id` is your org. Any newly referenced classroom/group/student must also belong to your org. Returns the full updated plan. operationId: update_lesson_plan_v1_lesson_plans__plan_id__put parameters: - name: plan_id in: path required: true schema: type: string title: Plan Id requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/LessonPlanUpdate' responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/LessonPlan' '401': description: Missing, malformed, revoked, or expired credentials. content: application/json: schema: $ref: '#/components/schemas/ApiError' '403': description: The credential lacks the scope this endpoint requires. content: application/json: schema: $ref: '#/components/schemas/ApiError' '404': description: >- Not found — the record doesn't exist or belongs to another organisation. content: application/json: schema: $ref: '#/components/schemas/ApiError' '422': description: Validation error — `error.details.errors` lists the fields. content: application/json: schema: $ref: '#/components/schemas/ApiError' '429': description: >- Rate limit exceeded — honour Retry-After and the RateLimit-* headers. content: application/json: schema: $ref: '#/components/schemas/ApiError' components: schemas: LessonPlanUpdate: properties: scope: anyOf: - type: string - type: 'null' title: Scope classroom_id: anyOf: - type: string - type: 'null' title: Classroom Id group_id: anyOf: - type: string - type: 'null' title: Group Id student_id: anyOf: - type: string - type: 'null' title: Student Id session_id: anyOf: - type: string - type: 'null' title: Session Id math_level_id: anyOf: - type: string - type: 'null' title: Math Level Id curriculum_level_ids: anyOf: - items: type: string type: array - type: 'null' title: Curriculum Level Ids title: anyOf: - type: string - type: 'null' title: Title status: anyOf: - type: string - type: 'null' title: Status plan_data: anyOf: - $ref: '#/components/schemas/PlanData' - type: 'null' scheduled_for: anyOf: - type: string - type: 'null' title: Scheduled For additionalProperties: false type: object title: LessonPlanUpdate description: |- PUT /v1/lesson-plans/{id} → lesson_plans. All fields optional (partial update); the row's created_by must be a member of the key's org. LessonPlan: properties: id: type: string title: Id created_by: anyOf: - type: string - type: 'null' title: Created By scope: anyOf: - type: string - type: 'null' title: Scope classroom_id: anyOf: - type: string - type: 'null' title: Classroom Id group_id: anyOf: - type: string - type: 'null' title: Group Id student_id: anyOf: - type: string - type: 'null' title: Student Id session_id: anyOf: - type: string - type: 'null' title: Session Id math_level_id: anyOf: - type: string - type: 'null' title: Math Level Id curriculum_level_ids: items: type: string type: array title: Curriculum Level Ids default: [] title: anyOf: - type: string - type: 'null' title: Title status: anyOf: - type: string - type: 'null' title: Status plan_data: $ref: '#/components/schemas/PlanData' scheduled_for: anyOf: - type: string - type: 'null' title: Scheduled For created_at: anyOf: - type: string - type: 'null' title: Created At updated_at: anyOf: - type: string - type: 'null' title: Updated At type: object required: - id title: LessonPlan ApiError: description: Canonical error envelope for every /v1 error response (4xx/5xx). properties: error: $ref: '#/components/schemas/ApiErrorBody' required: - error title: ApiError type: object PlanData: properties: {} additionalProperties: true type: object title: PlanData description: >- Free-form lesson-plan body (learning_objectives, lesson_hook, activities, worked_examples, exit_ticket, notes, …). Arbitrary keys are preserved. Shared by the read + write lesson-plan models so the OpenAPI has a single `PlanData` component — SDK generators choke on duplicate inline object schemas. ApiErrorBody: description: The `error` object every /v1 error response carries. properties: code: description: >- Stable machine-readable error code: bad_request, unauthorized, forbidden, not_found, conflict, validation_error, rate_limited, or internal_error. examples: - not_found title: Code type: string message: description: Human-readable explanation, safe to surface to end users. examples: - Session not found title: Message type: string status: description: The HTTP status code, repeated in the body. examples: - 404 title: Status type: integer details: additionalProperties: true description: >- Error-specific context. 422 carries the field errors under `errors`; 429 carries `retry_after_seconds`. title: Details type: object required: - code - message - status title: ApiErrorBody type: object securitySchemes: ApiKeyAuth: type: apiKey in: header name: Authorization description: Org API key as `Token token=cq_live_...` ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.