openapi: 3.1.0 info: title: Workday Extend Workday Custom Objects App Configurations Apps API description: APIs for defining and managing custom objects that extend Workday's data model to meet specific business needs. When new custom objects and business processes are built, a public REST API is automatically created for other developers and processes to use. Supports both single-instance and multi-instance custom objects attached to standard Workday business objects such as workers and organizations. version: v1 contact: name: Workday Developer Support url: https://support.developer.workday.com/s/ termsOfService: https://www.workday.com/en-us/legal.html servers: - url: https://{baseUrl}/api/customObjects/v1/{tenant} description: Workday Custom Objects API Server variables: baseUrl: default: api.workday.com tenant: default: tenant security: - OAuth2: - customObjects:manage tags: - name: Apps description: Operations for managing Extend applications including registration, deployment, and configuration. paths: /apps: get: operationId: listApps summary: Workday Extend List Extend applications description: Returns a collection of Workday Extend applications registered within the tenant. Supports filtering by status, name, and other attributes. tags: - Apps parameters: - $ref: '#/components/parameters/limit' - $ref: '#/components/parameters/offset' - $ref: '#/components/parameters/search' responses: '200': description: Successful response with a collection of applications content: application/json: schema: type: object properties: total: type: integer description: Total number of applications matching the query data: type: array items: $ref: '#/components/schemas/App' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' post: operationId: createApp summary: Workday Extend Register a new Extend application description: Registers a new Workday Extend application within the tenant. The app definition includes metadata, permissions, and configuration schema. tags: - Apps requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/AppCreate' responses: '201': description: Application successfully created content: application/json: schema: $ref: '#/components/schemas/App' '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' /apps/{appId}: get: operationId: getApp summary: Workday Extend Retrieve an Extend application description: Returns the details of a specific Workday Extend application including its metadata, configuration, deployment status, and version history. tags: - Apps parameters: - $ref: '#/components/parameters/appId' responses: '200': description: Successful response with the application details content: application/json: schema: $ref: '#/components/schemas/App' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '404': $ref: '#/components/responses/NotFound' patch: operationId: updateApp summary: Workday Extend Update an Extend application description: Updates the metadata or configuration of an existing Workday Extend application. Only the fields provided in the request body are updated. tags: - Apps parameters: - $ref: '#/components/parameters/appId' requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/AppUpdate' responses: '200': description: Application successfully updated content: application/json: schema: $ref: '#/components/schemas/App' '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '404': $ref: '#/components/responses/NotFound' delete: operationId: deleteApp summary: Workday Extend Delete an Extend application description: Removes a Workday Extend application registration from the tenant. The application must be undeployed before deletion. tags: - Apps parameters: - $ref: '#/components/parameters/appId' responses: '204': description: Application successfully deleted '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '404': $ref: '#/components/responses/NotFound' components: responses: Forbidden: description: Insufficient permissions content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' Unauthorized: description: Authentication required content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' BadRequest: description: Invalid request parameters content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' NotFound: description: Resource not found content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' schemas: AppCreate: type: object required: - name - description properties: name: type: string description: The name of the Extend application maxLength: 255 description: type: string description: Description of the application category: type: string description: The application category ResourceReference: type: object properties: id: type: string description: The Workday ID of the referenced resource descriptor: type: string description: The display name of the referenced resource href: type: string format: uri description: The API resource URL ErrorResponse: type: object properties: error: type: string description: Error code identifying the type of error message: type: string description: Human-readable error message details: type: array items: type: object properties: field: type: string message: type: string AppUpdate: type: object properties: name: type: string description: Updated application name maxLength: 255 description: type: string description: Updated application description category: type: string description: Updated application category App: type: object properties: id: type: string description: Unique identifier for the Extend application descriptor: type: string description: Display name of the application name: type: string description: The registered name of the application description: type: string description: Detailed description of the application purpose and functionality status: type: string enum: - draft - published - deployed - deprecated description: Current lifecycle status of the application category: type: string description: The application category within Workday owner: $ref: '#/components/schemas/ResourceReference' currentVersion: $ref: '#/components/schemas/ResourceReference' createdOn: type: string format: date-time description: Timestamp when the application was created lastModified: type: string format: date-time description: Timestamp when the application was last modified href: type: string format: uri description: The API resource URL for this application parameters: appId: name: appId in: path required: true description: The unique identifier of the Extend application schema: type: string limit: name: limit in: query description: Maximum number of results to return schema: type: integer default: 20 maximum: 100 offset: name: offset in: query description: Number of results to skip for pagination schema: type: integer default: 0 search: name: search in: query description: Search term to filter results schema: type: string securitySchemes: OAuth2: type: oauth2 flows: authorizationCode: authorizationUrl: https://{baseUrl}/authorize tokenUrl: https://{baseUrl}/oauth2/{tenant}/token scopes: customObjects:manage: Manage custom object definitions and instances customObjects:read: Read custom object data externalDocs: description: Workday Custom Objects Documentation url: https://doc.workday.com/extend/custom-objects/