> ## Documentation Index > Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt > Use this file to discover all available pages before exploring further. # Get a book ## OpenAPI ````yaml /risk-and-pricing/atoti-risk-services/apis-endpoints/openapi/openapi.mintlify.json get /api/Books/{id} openapi: 3.0.1 info: title: Derivitec Api 1.0 version: '1.0' servers: - description: Derivitec Server url: https://api.riskportal.activeviam.com security: - oauth2: [] - apikey: [] paths: /api/Books/{id}: get: tags: - Books summary: Get a book operationId: GetBook parameters: - description: The book ID explode: false in: path name: id required: true schema: format: int32 type: integer style: simple responses: '200': content: application/json: schema: $ref: '#/components/schemas/BookViewModel' description: Success '400': description: BadRequest '401': description: Unauthorized '403': description: Forbidden '404': content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' description: Not Found default: content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' description: Error security: - oauth2: [] - apikey: [] components: schemas: BookViewModel: example: number_of_parent_portfolios: 6 access_type_id: not_set entitled_users: - access_created_by: access_created_by access_modified_by: access_modified_by status_description: status_description access_created_date: '2000-01-23T04:56:07.000+00:00' access_user_first_name: access_user_first_name status_name: status_name access_type_name: access_type_name description: description access_user_full_name: access_user_full_name number_of_parent_portfolios: 3 access_type_id: not_set access_user_email: access_user_email status_id: not_set name: name access_modified_date: '2000-01-23T04:56:07.000+00:00' access_type_description: access_type_description id: 9 access_user_id: access_user_id access_user_name: access_user_name access_user_last_name: access_user_last_name access_version: 7 - access_created_by: access_created_by access_modified_by: access_modified_by status_description: status_description access_created_date: '2000-01-23T04:56:07.000+00:00' access_user_first_name: access_user_first_name status_name: status_name access_type_name: access_type_name description: description access_user_full_name: access_user_full_name number_of_parent_portfolios: 3 access_type_id: not_set access_user_email: access_user_email status_id: not_set name: name access_modified_date: '2000-01-23T04:56:07.000+00:00' access_type_description: access_type_description id: 9 access_user_id: access_user_id access_user_name: access_user_name access_user_last_name: access_user_last_name access_version: 7 name: name description: description parent_portfolios: - number_of_parent_portfolios: 2 access_type_id: not_set number_of_child_portfolios: 5 is_disabled: true name: name description: description is_checked: true id: 1 portfolio_type: derivitec number_of_books: 5 status: not_set - number_of_parent_portfolios: 2 access_type_id: not_set number_of_child_portfolios: 5 is_disabled: true name: name description: description is_checked: true id: 1 portfolio_type: derivitec number_of_books: 5 status: not_set id: 0 status: not_set properties: access_type_id: enum: - not_set - view - edit - owner type: string description: maxLength: 255 minLength: 5 type: string id: format: int32 type: integer name: maxLength: 100 minLength: 3 type: string number_of_parent_portfolios: format: int32 type: integer parent_portfolios: items: $ref: '#/components/schemas/PortfolioInfoViewModel' nullable: true readOnly: true type: array uniqueItems: true entitled_users: items: $ref: '#/components/schemas/BookUserAccessViewModel' nullable: true readOnly: true type: array status: enum: - not_set - active - inactive type: string $type: type: string enum: - Derivitec.Web.Models.Book.BookViewModel, Derivitec.Web.Models required: - $type - description - id - name - status type: object ProblemDetails: properties: type: nullable: true type: string title: nullable: true type: string status: format: int32 nullable: true type: integer detail: nullable: true type: string instance: nullable: true type: string type: object PortfolioInfoViewModel: example: number_of_parent_portfolios: 2 access_type_id: not_set number_of_child_portfolios: 5 is_disabled: true name: name description: description is_checked: true id: 1 portfolio_type: derivitec number_of_books: 5 status: not_set properties: access_type_id: enum: - not_set - view - edit - owner type: string description: maxLength: 255 minLength: 5 nullable: true type: string id: format: int32 type: integer is_checked: type: boolean is_disabled: type: boolean name: maxLength: 100 minLength: 3 type: string number_of_books: format: int32 type: integer number_of_child_portfolios: format: int32 type: integer number_of_parent_portfolios: format: int32 type: integer portfolio_type: enum: - derivitec - enfusion - not_set type: string status: enum: - not_set - active - inactive type: string $type: type: string enum: - >- Derivitec.Web.Models.Portfolio.PortfolioInfoViewModel, Derivitec.Web.Models required: - $type - id - name - status type: object BookUserAccessViewModel: example: access_created_by: access_created_by access_modified_by: access_modified_by status_description: status_description access_created_date: '2000-01-23T04:56:07.000+00:00' access_user_first_name: access_user_first_name status_name: status_name access_type_name: access_type_name description: description access_user_full_name: access_user_full_name number_of_parent_portfolios: 3 access_type_id: not_set access_user_email: access_user_email status_id: not_set name: name access_modified_date: '2000-01-23T04:56:07.000+00:00' access_type_description: access_type_description id: 9 access_user_id: access_user_id access_user_name: access_user_name access_user_last_name: access_user_last_name access_version: 7 properties: access_created_by: nullable: true type: string access_created_date: format: date-time nullable: true type: string access_modified_by: nullable: true type: string access_modified_date: format: date-time nullable: true type: string access_type_description: nullable: true type: string access_type_id: enum: - not_set - view - edit - owner type: string access_type_name: nullable: true type: string access_user_email: nullable: true type: string access_user_first_name: nullable: true type: string access_user_id: nullable: true type: string access_user_last_name: nullable: true type: string access_user_full_name: nullable: true readOnly: true type: string access_user_name: nullable: true type: string access_version: format: int32 type: integer description: nullable: true type: string id: format: int32 type: integer name: nullable: true type: string number_of_parent_portfolios: format: int32 type: integer status_description: nullable: true type: string status_id: enum: - not_set - active - inactive type: string status_name: nullable: true type: string $type: type: string enum: - >- Derivitec.Web.Models.Book.BookUserAccessViewModel, Derivitec.Web.Models required: - $type type: object securitySchemes: oauth2: description: >- OAuth2 access-token requested from AWS Cognito and provided as a Auth Bearer header flows: implicit: authorizationUrl: https://auth.riskportal.derivitec.com/oauth2/authorize scopes: {} type: oauth2 apikey: description: API-Key requested via the site and provided as a header in: header name: x-api-key type: apiKey ````