> ## Documentation Index > Fetch the complete documentation index at: https://docs.timeback.com/llms.txt > Use this file to discover all available pages before exploring further. # Get a specific rubric > Returns a single rubric by its sourcedId ## OpenAPI ````yaml /openapi/learn-with-ai/platform-api.yaml get /case/1.1/CFRubrics/{sourcedId} openapi: 3.1.1 info: title: TimeBack Platform API description: >- RESTful API for the TimeBack Platform. Covers authentication, rostering, curriculum, insights, assessments, content grading, and more. version: 2026.09.10.1 servers: - url: https://platform.dev.timeback.com description: integration security: [] tags: - name: Auth description: Authentication and authorization endpoints - name: Organizations description: Organizations module contains all endpoints around organization management - name: Applications description: Applications module contains all endpoints for managing LTI applications - name: Users description: >- Users module contains all endpoints around user creation, update and consultation - name: Students description: Students module contains all endpoints around student management - name: Demographics description: >- Demographics module contains all endpoints around demographics consultation - name: Consent description: >- Initiate and query TimeBack parental consent for a student, backed by an immutable audit trail. - name: Classes description: Classes module contains all endpoints around class management - name: Courses description: Courses module contains all endpoints around course management - name: Enrollments description: Enrollments module contains all endpoints around enrollment consultation - name: CASE description: Competency and Academic Standards Exchange (CASE) 1.1 API - name: Curriculum description: Curriculum module contains endpoints for managing curriculum data - name: Competency Track description: Competency track endpoints - name: Content Grading description: >- Registration and management of graders for free-response content items — bring-your-own external graders (Tier 2) and, once shipped, platform-managed grading prompts (Tier 1). - name: Caliper description: The Caliper module contains all endpoints around Caliper Analytics - name: Insights description: Coaching insights and session analytics endpoints paths: /case/1.1/CFRubrics/{sourcedId}: get: tags: - CASE summary: Get a specific rubric description: Returns a single rubric by its sourcedId operationId: getRubric parameters: - $ref: '#/components/parameters/sourcedId' responses: '200': description: Successful operation content: application/json: schema: $ref: '#/components/schemas/CFRubric' '400': $ref: '#/components/responses/BadRequest31' '404': $ref: '#/components/responses/NotFound21' '500': $ref: '#/components/responses/InternalError22' security: - CognitoUserPoolAuthorizer: - https://purl.imsglobal.org/spec/case/v1p0/scope/case.readonly components: parameters: sourcedId: name: sourcedId in: path description: Unique identifier of the CASE entity required: true schema: type: string schemas: CFRubric: type: object description: A CASE rubric for assessment required: - identifier - uri - lastChangeDateTime properties: identifier: type: string description: The unique identifier for this rubric uri: type: string format: uri description: URI that identifies this CASE entity title: type: string description: The title of the rubric description: type: string description: A human readable description of the rubric extensions: type: object description: Additional properties for the rubric lastChangeDateTime: type: string format: date-time description: Date/time when the entity was last modified CFRubricCriteria: type: array minItems: 0 items: $ref: '#/components/schemas/CFRubricCriterion' CFRubricCriterion: type: object description: A criterion within a CASE rubric required: - identifier - uri - lastChangeDateTime properties: identifier: type: string description: The unique identifier for this criterion uri: type: string format: uri description: URI that identifies this CASE entity category: type: string description: The category this criterion belongs to description: type: string description: A human readable description of the criterion CFItemURI: $ref: '#/components/schemas/CfLinkUri' CFPackageURI: $ref: '#/components/schemas/CfLinkUri' weight: type: number format: float description: The weight of this criterion in scoring position: type: integer description: The position of this criterion in the rubric rubricId: type: string description: The identifier of the parent rubric extensions: type: object description: Additional properties for the rubric criterion lastChangeDateTime: type: string format: date-time description: Date/time when the entity was last modified CFRubricCriterionLevels: type: array minItems: 0 items: $ref: '#/components/schemas/CFRubricCriterionLevel' imsxStatusInfoDType3: description: > This is the container for the status code and associated information returned within the HTTP messages received from the Service Provider. type: object required: - imsx_codeMajor - imsx_severity properties: imsx_codeMajor: description: | The code major value (from the corresponding enumerated vocabulary). type: string enum: - success - processing - failure - unsupported imsx_severity: description: | The severity value (from the corresponding enumerated vocabulary). type: string enum: - status - warning - error imsx_description: description: >- A human readable description supplied by the entity creating the status code information. type: string imsx_CodeMinor: $ref: '#/components/schemas/imsxCodeMinorDType3' CfLinkUri: description: A generic link type containing identifier, uri and title type: object properties: title: type: string description: The title of the referenced entity identifier: type: string description: The identifier of the referenced entity uri: type: string format: uri description: The URI of the referenced entity required: - title - identifier - uri CFRubricCriterionLevel: type: object description: A level within a CASE rubric criterion required: - identifier - uri - lastChangeDateTime properties: identifier: type: string description: The unique identifier for this level uri: type: string format: uri description: URI that identifies this CASE entity description: type: string description: A human readable description of the level quality: type: string description: The quality level descriptor score: type: number format: float description: The score for this level feedback: type: string description: Feedback text for this level position: type: integer description: The position of this level in the criterion rubricCriterionId: type: string description: The identifier of the parent criterion extensions: type: object description: Additional properties for the rubric criterion level lastChangeDateTime: type: string format: date-time description: Date/time when the entity was last modified imsxCodeMinorDType3: description: > This is the container for the set of code minor status codes reported in the responses from the Service Provider. type: object required: - imsx_codeMinorField properties: imsx_codeMinorField: description: | Each reported code minor status code. type: array minItems: 1 items: $ref: '#/components/schemas/imsxCodeMinorFieldDType3' imsxCodeMinorFieldDType3: description: | This is the container for a single code minor status code. type: object required: - imsx_codeMinorFieldName - imsx_codeMinorFieldValue properties: imsx_codeMinorFieldName: description: >- This should contain the identity of the system that has produced the code minor status code report. In most cases this will be the target service provider denoted as 'TargetEndSystem'. type: string default: TargetEndSystem imsx_codeMinorFieldValue: description: > The code minor status code (this is a value from the corresponding enumerated vocabulary). type: string enum: - fullsuccess - invaliddata - unauthorisedrequest - forbidden - server_busy - unknownobject - internal_server_error responses: BadRequest31: description: Bad request content: application/json: schema: $ref: '#/components/schemas/imsxStatusInfoDType3' NotFound21: description: Entity not found content: application/json: schema: $ref: '#/components/schemas/imsxStatusInfoDType3' InternalError22: description: Internal server error content: application/json: schema: $ref: '#/components/schemas/imsxStatusInfoDType3' securitySchemes: CognitoUserPoolAuthorizer: type: oauth2 description: >- OAuth 2.0 client credentials flow. Contact timeback@trilogy.com to request credentials for your application. flows: clientCredentials: tokenUrl: https://platform.dev.timeback.com/auth/1.0/token scopes: https://purl.imsglobal.org/spec/or/v1p2/scope/roster.readonly: roster readonly https://purl.imsglobal.org/spec/or/v1p2/scope/roster-core.readonly: roster-core readonly https://purl.imsglobal.org/spec/or/v1p2/scope/roster.createput: roster createput https://purl.imsglobal.org/spec/lti/v1p3/scope/lti.readonly: lti readonly https://purl.imsglobal.org/spec/or/v1p2/scope/roster-demographics.readonly: roster-demographics readonly https://timeback-platform.trilogy.com/consent/scope/consent.write: consent write https://timeback-platform.trilogy.com/consent/scope/consent.read: consent read https://purl.imsglobal.org/spec/or/v1p2/scope/roster-core.createput: roster-core createput https://purl.imsglobal.org/spec/or/v1p2/scope/roster.delete: roster delete https://purl.imsglobal.org/spec/or/v1p2/scope/roster-core.delete: roster-core delete https://purl.imsglobal.org/spec/case/v1p0/scope/case.readonly: case readonly https://purl.imsglobal.org/spec/case/v1p0/scope/case.createput: case createput https://purl.imsglobal.org/spec/case/v1p0/scope/case.delete: case delete https://timeback-platform.trilogy.com/competency-track/scope/competency-track.readonly: competency-track readonly https://timeback-platform.trilogy.com/competency-track/scope/competency-track.write: competency-track write https://timeback-platform.trilogy.com/competency-track/scope/competency-track.delete: competency-track delete https://timeback-platform.trilogy.com/content/scope/content.write: content write https://timeback-platform.trilogy.com/content/scope/content.read: content read https://purl.imsglobal.org/spec/caliper/v1p2/scope/events.write: events write https://purl.imsglobal.org/spec/caliper/v1p2/scope/events.readonly: events readonly https://timeback-platform.trilogy.com/webhooks/scope/webhooks.write: webhooks write https://timeback-platform.trilogy.com/webhooks/scope/webhooks.read: webhooks read https://timeback-platform.trilogy.com/webhooks/scope/webhooks.delete: webhooks delete ````