> ## Documentation Index > Fetch the complete documentation index at: https://docs.canary.effectiveai.app/llms.txt > Use this file to discover all available pages before exploring further. # List a violation’s history > The penalty and status history OSHA recorded for one citation item: issued, amended, settled, decided. Oldest first, returned whole. Needs the OSHA dataset enabled for your organization. Read-only; private, no-store. ## OpenAPI ````yaml /openapi.json get /insurance/osha/inspections/{activityNr}/violations/{citationId}/events openapi: 3.0.3 info: title: Effective API version: 2.0.0 description: The public Effective REST API. Authenticate using an Effective API key. servers: - url: https://api.canary.effectiveai.app/api/v2 description: Canary security: - bearerAuth: [] paths: /insurance/osha/inspections/{activityNr}/violations/{citationId}/events: get: tags: - OSHA summary: List a violation’s history description: >- The penalty and status history OSHA recorded for one citation item: issued, amended, settled, decided. Oldest first, returned whole. Needs the OSHA dataset enabled for your organization. Read-only; private, no-store. operationId: listOshaViolationEvents parameters: - schema: type: string pattern: ^\d{1,12}$ description: Inspection activity number. required: true description: Inspection activity number. name: activityNr in: path - schema: type: string pattern: ^[A-Za-z0-9]{1,12}$ description: Citation ID within the inspection, such as 01001. required: true description: Citation ID within the inspection, such as 01001. name: citationId in: path responses: '200': description: The violation’s history. content: application/json: schema: $ref: '#/components/schemas/V2OshaViolationEvents' '400': description: >- invalid_request for invalid, unknown or repeated inputs; invalid_cursor means restart the list. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '401': description: Authentication required. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '403': description: >- dataset_not_enabled: the OSHA dataset is not enabled for this organization. Other credential restrictions use forbidden. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '404': description: 'not_found: no such employer, site or OSHA row.' content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '500': description: Unexpected server failure. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '503': description: A dependency is unavailable; respect Retry-After. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' security: - bearerAuth: [] components: schemas: V2OshaViolationEvents: type: object properties: events: type: array items: $ref: '#/components/schemas/V2OshaViolationEvent' required: - events V2CodedError: allOf: - $ref: '#/components/schemas/V2Error' - type: object properties: code: type: string minLength: 1 description: Stable error code. Clients must tolerate unknown future codes. details: type: array items: type: object properties: location: type: string enum: - path - query - header - body path: type: array items: type: string maxLength: 64 maxItems: 12 code: type: string enum: - required - invalid_type - invalid_value - unknown_field message: type: string minLength: 1 maxLength: 200 required: - location - path - code - message minItems: 1 maxItems: 20 description: Bounded safe validation issues; may omit some invalid fields. requestId: type: string minLength: 1 maxLength: 128 description: >- Existing server correlation for this HTTP attempt, when available. dataset: type: string enum: - naic - osha description: Dataset needed for dataset_not_enabled. accessUrl: type: string nullable: true format: uri description: >- Where to add the product to your account, for product_access_required. required: - code V2OshaViolationEvent: type: object properties: activityNr: type: string nullable: true citationId: type: string nullable: true penFta: type: string nullable: true histEvent: type: string nullable: true histDate: type: string nullable: true histPenalty: type: number nullable: true histAbateDate: type: string nullable: true histVtype: type: string nullable: true histInspNr: type: string nullable: true loadDt: type: string nullable: true employerId: type: string nullable: true pattern: ^emp_[0-9a-f]{20}$ description: >- Employer Effective matched this row to, or null if it could not place it. siteId: type: string nullable: true pattern: ^site_[0-9a-f]{20}$ description: Site Effective matched this row to, or null. sourceFile: $ref: '#/components/schemas/V2OshaSourceFile' required: - activityNr - citationId - penFta - histEvent - histDate - histPenalty - histAbateDate - histVtype - histInspNr - loadDt - employerId - siteId - sourceFile description: >- One penalty or status change in a citation’s history. Fields are OSHA’s own column names in camelCase, with values as OSHA publishes them. V2Error: type: object properties: error: type: string minLength: 1 description: Human-readable explanation of the failure. required: - error V2OshaSourceFile: type: object properties: url: type: string description: OSHA or DOL file or API page the row was read from. sha256: type: string description: SHA-256 of that file as Effective downloaded it. retrievedAt: type: string description: When Effective downloaded it (RFC 3339). required: - url - sha256 - retrievedAt securitySchemes: bearerAuth: type: http scheme: bearer description: 'Effective API key. Send Authorization: Bearer sk-eai-...' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.