> ## Documentation Index > Fetch the complete documentation index at: https://docs.leen.dev/llms.txt > Use this file to discover all available pages before exploring further. # Get ITSM Ticket by Identifier > Get an ITSM ticket by its user-provided identifier. ## OpenAPI ````yaml get /itsm/tickets/by-identifier/{identifier} openapi: 3.1.0 info: title: Leen Security API version: 0.0.1 servers: - description: Production API (US) url: https://api.leen.dev/v1 - description: Production API (EU) url: https://api.eu-c1.leen.dev/v1 - description: Production API (APAC) url: https://api.ap-se2.leen.dev/v1 security: [] paths: /itsm/tickets/by-identifier/{identifier}: get: tags: - ITSM - Tickets summary: Get ITSM Ticket by Identifier description: Get an ITSM ticket by its user-provided identifier. operationId: get_ticket_by_identifier parameters: - in: path name: identifier required: true schema: title: Identifier type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/ScopedITSMTicketRespModel' description: Successful Response '404': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Not Found '422': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Unprocessable Content security: - API-Key: [] Connection-ID: [] components: schemas: ScopedITSMTicketRespModel: properties: active: anyOf: - type: boolean - type: 'null' description: Whether the Ticket is active title: Active assigned_user_id: anyOf: - format: uuid type: string - type: 'null' description: User ID assigned to the Ticket title: Assigned User Id closed_at: anyOf: - format: date-time type: string - type: 'null' description: Closing time of the Ticket title: Closed At created_by_user_id: anyOf: - format: uuid type: string - type: 'null' description: User ID who created the Ticket title: Created By User Id description: anyOf: - type: string - type: 'null' description: Description of the Ticket title: Description due_date: anyOf: - format: date-time type: string - type: 'null' description: Due date of the Ticket title: Due Date id: description: Leen's UUID for the Ticket format: uuid title: Id type: string identifier: anyOf: - type: string - type: 'null' description: User-provided tracking identifier for the Ticket title: Identifier name: description: Name of the Ticket title: Name type: string parent_ticket_id: anyOf: - format: uuid type: string - type: 'null' description: Parent Ticket ID (for sub-tasks) title: Parent Ticket Id priority: anyOf: - type: string - type: 'null' description: Priority of the Ticket title: Priority project_id: anyOf: - format: uuid type: string - type: 'null' description: Project ID the Ticket belongs to title: Project Id status: description: Status of the Ticket title: Status type: string status_updated_at: anyOf: - format: date-time type: string - type: 'null' description: Last status update time title: Status Updated At tags: anyOf: - items: type: string type: array - type: 'null' description: Tags associated with the Ticket title: Tags ticket_created_at: anyOf: - format: date-time type: string - type: 'null' description: Creation time of the Ticket in the vendor system title: Ticket Created At type: anyOf: - type: string - type: 'null' description: Type of the Ticket (e.g., Epic, Story, Task, Bug) title: Type type_id: anyOf: - type: string - type: 'null' description: Vendor-specific type ID (e.g., Jira issue type ID) title: Type Id url: anyOf: - type: string - type: 'null' description: URL of the Ticket title: Url vendor_attributes: $ref: '#/components/schemas/ITSMTicketVendorAttributes' description: Vendor-specific attributes of the Ticket required: - id - name - status - vendor_attributes title: ITSM Ticket type: object ErrorResponse: properties: code: description: Error code title: Code type: string detail: description: List of error dictionaries items: additionalProperties: true type: object title: Detail type: array message: description: Error message title: Message type: string type: description: Type of error title: Type type: string required: - type - code - message - detail title: ErrorResponse type: object ITSMTicketVendorAttributes: properties: created_at: anyOf: - format: date-time type: string - type: 'null' description: Creation time of the Ticket in Vendor title: Created At data: anyOf: - discriminator: mapping: JIRA: '#/components/schemas/JiraTicketVendorAttributesData' SERVICENOW_ITSM: '#/components/schemas/ServiceNowTicketVendorAttributesData' propertyName: vendor oneOf: - $ref: '#/components/schemas/JiraTicketVendorAttributesData' - $ref: '#/components/schemas/ServiceNowTicketVendorAttributesData' - type: 'null' description: Vendor-specific data associated with the Ticket title: Data id: description: Vendor's ID for the Ticket title: Id type: string priority: anyOf: - type: string - type: 'null' description: Vendor priority of the Ticket title: Priority status: anyOf: - type: string - type: 'null' description: Vendor status of the Ticket title: Status type: anyOf: - type: string - type: 'null' description: Vendor type of the Ticket title: Type type_id: anyOf: - type: string - type: 'null' description: Vendor type ID of the Ticket title: Type Id updated_at: anyOf: - format: date-time type: string - type: 'null' description: Last update time of the Ticket in Vendor title: Updated At vendor: description: Vendor name title: Vendor type: string required: - id - vendor title: ITSM Ticket Vendor Attributes type: object JiraTicketVendorAttributesData: properties: customFields: anyOf: - additionalProperties: true type: object - type: 'null' title: Customfields id: anyOf: - type: string - type: 'null' title: Id statusCategory: anyOf: - type: string - type: 'null' title: Statuscategory vendor: const: JIRA default: JIRA title: Vendor type: string title: JiraTicketVendorAttributesData type: object ServiceNowTicketVendorAttributesData: properties: customFields: anyOf: - additionalProperties: true type: object - type: 'null' title: Customfields number: anyOf: - type: string - type: 'null' title: Number priorityNumeric: anyOf: - type: string - type: 'null' title: Prioritynumeric state: anyOf: - type: string - type: 'null' title: State vendor: const: SERVICENOW_ITSM default: SERVICENOW_ITSM title: Vendor type: string title: ServiceNowTicketVendorAttributesData type: object securitySchemes: API-Key: in: header name: X-API-KEY type: apiKey Connection-ID: in: header name: X-CONNECTION-ID type: apiKey ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.