OneTrust Object Relationship Management API

openapi: 3.2.0
info:
  title: Platform - Object Manager Object Relationship Management API
  version: '1.0'
  contact:
    name: OneTrust Support
    url: https://my.onetrust.com/s/contactsupport
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  description: The Object Manager APIs are used to integrate external systems and streamline the flow of data for objects created via Object Manager in the OneTrust Platform.
servers:
- url: https://{hostname}/api/custom-entity
  variables:
    hostname:
      default: hostname
      description: The OneTrust hostname such as app.onetrust.com, app-eu.onetrust.com, app-de.onetrust.com, app-uk.onetrust.com, app-apac.onetrust.com, trial.onetrust.com, or uat.onetrust.com.
tags:
- name: Object Relationship Management
  description: The Object Relationship Management APIs are used to manage relationships between objects.
  externalDocs:
    description: OpenAPI 3.1.0 - Download Definition
    url: https://developer.onetrust.com/onetrust/openapi/platform-object-manager.json
paths:
  /v1/links:
    post:
      operationId: createLinkRecordBetweenEntitiesUsingLinkTypeIdUsingPOST
      summary: Create Relationship Record between Objects
      description: 'Use this API to create a new Relationship Record between objects.


        > 🗒 Things to Know

        >

        > - This API only supports objects created via Object Manager, including Projects, Models, and Datasets.'
      tags:
      - Object Relationship Management
      x-onetrust:
        spec-label: https://developer.onetrust.com/onetrust/openapi/platform-object-manager.json
      parameters:
      - name: linkTypeId
        in: query
        description: The unique identifier of the relationship type.
        required: true
        schema:
          description: Unique identifier of the link type to use for creating the relationship
          type: string
          format: uuid
        example: 2aa71ead-0c9a-416a-8471-bdfb67c8d113
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LinkRequest'
            examples:
              Create Project-model Relationship:
                summary: Example of creating a relationship between a project and a department
                description: Create Project-model Relationship
                value:
                  entity1:
                    id: c37283de-c93e-4da6-a3da-0c1791da5e33
                    entityType:
                      name: projects
                  entity2:
                    id: b4c4991c-ab14-4bb2-abae-dad255a513c3
                    entityType:
                      name: models
                  attributes: null
                  context: null
              Create model-vendor Relationship:
                summary: Example of creating a is source from relationship between a model and a vendor
                description: Create model-vendor Relationship
                value:
                  entity1:
                    id: b4c4991c-ab14-4bb2-abae-dad255a513c3
                    entityType:
                      name: models
                  entity2:
                    id: 690c2d22-d864-4ec7-92ad-850c678a1cd3
                    entityType:
                      name: vendors
                  attributes: null
                  context: null
      responses:
        '201':
          description: Created - The relationship was successfully established
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LinkInformation'
              examples:
                Project-Department Relationship:
                  summary: Example of created relationship information
                  description: Project-Department Relationship
                  value:
                    id: 2e920a80-7d0a-4b9d-ac19-e04729edf3a8
                    linkType:
                      id: 8c2c52ff-de17-4f1c-a6fd-9f1f320598de
                      name: project-reference
                      nameKey: CE.Link.ProjectReference.Name
                      idOrNamePresent: true
                    entityType1ToEntityType2:
                      name: references
                      nameKey: CE.Link.ProjectReference.ForwardLabel
                    entityType2ToEntityType1:
                      name: is referenced in
                      nameKey: CE.Link.ProjectReference.BackwardLabel
                    entity1:
                      id: c37283de-c93e-4da6-a3da-0c1791da5e33
                      name: Project_0610
                    entity1Type:
                      id: ef4e5bf9-7462-43af-b74f-72b61308629b
                      name: projects
                      nameKey: CE.Projects.Name
                      seeded: true
                      moduleName: CustomEntityManagement
                      schemaName: projects
                    entity2:
                      id: b4c4991c-ab14-4bb2-abae-dad255a513c3
                      name: kyutai/mimi
                    entity2Type:
                      id: 286aeb99-fe6c-4f01-baaa-e24b8e689a84
                      name: models
                      nameKey: CE.Models.Name
                      seeded: true
                      moduleName: CustomEntityManagement
                      schemaName: models
                    createdDate: '2025-06-12T08:00:32.083Z'
                    lastModifiedDate: '2025-06-12T08:00:32.083Z'
        '400':
          description: Bad Request
        '401':
          description: Unauthorized
        '403':
          description: Forbidden
        '429':
          description: "Too Many Requests. \nFor more information, see [API Rate Limits](https://developer.onetrust.com/onetrust/reference/rate-limits-overview)."
          headers:
            Retry-After:
              schema:
                description: The number of seconds after which requests will be allowed again.
                format: int32
            ot-period:
              schema:
                description: The unit of time for which the rate limit applies
                enum:
                - HOUR
                - MINUTE
            ot-ratelimit-event-id:
              schema:
                description: The unique identifier for the rate-limiting event.
                format: uuid
            ot-request-made:
              schema:
                description: The number of requests made within the specified period.
                format: int32
            ot-requests-allowed:
              schema:
                description: The number of requests allowed within the specified period.
                format: int32
        '500':
          description: Internal Server Error
      security:
      - OAUTH2:
        - OBJECT_MANAGER
        - OBJECT_MANAGER_WRITE
        - INTEGRATION
  /v1/links/{linkId}:
    get:
      operationId: getLinkRecordInformationUsingLinkTypeIdUsingGET
      summary: Get Relationship Record
      description: 'Use this API to retrieve the details of a specific Relationship Record between objects.


        > 🗒 Things to Know

        >

        > - This API only supports objects created via Object Manager, including Projects, Models, and Datasets.'
      tags:
      - Object Relationship Management
      x-onetrust:
        spec-label: https://developer.onetrust.com/onetrust/openapi/platform-object-manager.json
      parameters:
      - name: linkTypeId
        in: query
        description: The unique identifier of the relationship type.
        required: true
        schema:
          description: Unique identifier of the link type
          type: string
          format: uuid
        example: 2aa71ead-0c9a-416a-8471-bdfb67c8d113
      - name: linkId
        in: path
        description: The unique identifier of the relationship record.
        required: true
        schema:
          description: Unique identifier of the link record to retrieve
          type: string
          format: uuid
        example: 1bc71ead-0c9a-416a-8471-bdfb67c8d113
      responses:
        '200':
          description: OK - Returns the complete details of the requested relationship
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LinkInformation'
              examples:
                Project-Department Relationship:
                  summary: Example of relationship information
                  description: Project-Department Relationship
                  value:
                    id: 2e920a80-7d0a-4b9d-ac19-e04729edf3a8
                    linkType:
                      id: 8c2c52ff-de17-4f1c-a6fd-9f1f320598de
                      name: project-reference
                      nameKey: CE.Link.ProjectReference.Name
                      idOrNamePresent: true
                    entityType1ToEntityType2:
                      name: references
                      nameKey: CE.Link.ProjectReference.ForwardLabel
                    entityType2ToEntityType1:
                      name: is referenced in
                      nameKey: CE.Link.ProjectReference.BackwardLabel
                    entity1:
                      id: c37283de-c93e-4da6-a3da-0c1791da5e33
                      name: Project_0610
                    entity1Type:
                      id: ef4e5bf9-7462-43af-b74f-72b61308629b
                      name: projects
                      nameKey: CE.Projects.Name
                      seeded: true
                      moduleName: CustomEntityManagement
                      schemaName: projects
                    entity2:
                      id: b4c4991c-ab14-4bb2-abae-dad255a513c3
                      name: kyutai/mimi
                    entity2Type:
                      id: 286aeb99-fe6c-4f01-baaa-e24b8e689a84
                      name: models
                      nameKey: CE.Models.Name
                      seeded: true
                      moduleName: CustomEntityManagement
                      schemaName: models
                    createdDate: '2025-06-12T08:00:32.083Z'
                    lastModifiedDate: '2025-06-12T08:00:32.083Z'
        '400':
          description: Bad Request
        '401':
          description: Unauthorized
        '403':
          description: Forbidden
        '429':
          description: "Too Many Requests. \nFor more information, see [API Rate Limits](https://developer.onetrust.com/onetrust/reference/rate-limits-overview)."
          headers:
            Retry-After:
              schema:
                description: The number of seconds after which requests will be allowed again.
                format: int32
            ot-period:
              schema:
                description: The unit of time for which the rate limit applies
                enum:
                - HOUR
                - MINUTE
            ot-ratelimit-event-id:
              schema:
                description: The unique identifier for the rate-limiting event.
                format: uuid
            ot-request-made:
              schema:
                description: The number of requests made within the specified period.
                format: int32
            ot-requests-allowed:
              schema:
                description: The number of requests allowed within the specified period.
                format: int32
        '500':
          description: Internal Server Error
      security:
      - OAUTH2:
        - OBJECT_MANAGER
        - OBJECT_MANAGER_READ
        - OBJECT_MANAGER_WRITE
    delete:
      operationId: deleteLinkRecordByIdAndTypeUsingLinkTypeIdUsingDELETE
      summary: Remove Relationship Record
      description: 'Use this API to delete an existing Relationship Record between objects.


        > 🗒 Things to Know

        >

        > - This API only supports objects created via Object Manager, including Projects, Models, and Datasets.'
      tags:
      - Object Relationship Management
      x-onetrust:
        spec-label: https://developer.onetrust.com/onetrust/openapi/platform-object-manager.json
      parameters:
      - name: linkTypeId
        in: query
        description: The unique identifier of the relationship type.
        required: true
        schema:
          description: Unique identifier of the link type
          type: string
          format: uuid
        example: 2aa71ead-0c9a-416a-8471-bdfb67c8d113
      - name: linkId
        in: path
        description: The unique identifier of the relationship record.
        required: true
        schema:
          description: Unique identifier of the link record to delete
          type: string
          format: uuid
        example: 1bc71ead-0c9a-416a-8471-bdfb67c8d113
      responses:
        '204':
          description: No Content - The relationship was successfully deleted
        '400':
          description: Bad Request
        '401':
          description: Unauthorized
        '403':
          description: Forbidden
        '429':
          description: "Too Many Requests. \nFor more information, see [API Rate Limits](https://developer.onetrust.com/onetrust/reference/rate-limits-overview)."
          headers:
            Retry-After:
              schema:
                description: The number of seconds after which requests will be allowed again.
                format: int32
            ot-period:
              schema:
                description: The unit of time for which the rate limit applies
                enum:
                - HOUR
                - MINUTE
            ot-ratelimit-event-id:
              schema:
                description: The unique identifier for the rate-limiting event.
                format: uuid
            ot-request-made:
              schema:
                description: The number of requests made within the specified period.
                format: int32
            ot-requests-allowed:
              schema:
                description: The number of requests allowed within the specified period.
                format: int32
        '500':
          description: Internal Server Error
      security:
      - OAUTH2:
        - OBJECT_MANAGER
        - INTEGRATION
components:
  schemas:
    EntityDetailRequest:
      type: object
      properties:
        extendedBaseAttributes:
          description: The details of the attribute.
          type: object
          example:
            textAttributeName:
            - value: Text
            optionBasedAttributeName:
            - id: f2229953-b4b5-4042-8cb9-b78038cc4c46
          additionalProperties:
            type: array
            items:
              $ref: '#/components/schemas/AttributeValueInformation'
    IdOrNameLinkType:
      type: object
      properties:
        id:
          description: The unique identifier of the relationship type.
          type: string
          format: uuid
          example: f2229953-b4b5-4042-8cb9-b78038cc4c46
        name:
          description: The name of the relationship type.
          type: string
          example: Product/Service
        idOrNamePresent:
          description: This flag indicates whether the ID or name of the relationship type is present.
          type: boolean
    EntityBasicUserInformation:
      type: object
      properties:
        id:
          description: The unique identifier of the user who last modified the record.
          type: string
          format: uuid
          example: f2229953-b4b5-4042-8cb9-b78038cc4c46
        name:
          description: The name of the user who last modified the record.
          type: string
          example: First Last
        email:
          description: The email address of the user who last modified the record.
          type: string
          example: user@gmail.com
        initials:
          description: The initials of the user who last modified the record.
          type: string
          example: FL
    BasicLinkTypeLabelInformation:
      type: object
      properties:
        id:
          description: The unique identifier of the relationship type.
          type: integer
          format: int64
          example: 1
        entityType1ToEntityType2EntityLinkName:
          description: The source object type's relationship to the target object type.
          type: string
          example: OneTrust provides GRC
        entityType2ToEntityType1EntityLinkName:
          description: The target object type's relationship to the source object type.
          type: string
          example: GRC belongs to OneTrust
      required:
      - id
    LinkRequest:
      type: object
      properties:
        attributes:
          description: This parameter can be used to store attribute details in key value pairs.
          type: object
          example:
            textAttributeName:
            - value: Text
            optionBasedAttributeName:
            - id: f2229953-b4b5-4042-8cb9-b78038cc4c46
          additionalProperties:
            type: array
            items:
              $ref: '#/components/schemas/AttributeValueInformation'
        entity1:
          description: The details of the source object in the relationship.
          example:
            id: f2229953-b4b5-4042-8cb9-b78038cc4c46
            entityType:
              id: d1119953-b4b5-4042-8cb9-b78038cc4c46
              name: Vendor
          $ref: '#/components/schemas/LinkedEntityInformation'
        entity2:
          description: The details of the target object in the relationship.
          example:
            id: a2129953-b4b5-4042-8cb9-b78038cc4c46
            entityType:
              id: d1119953-b4b5-4042-8cb9-b78038cc4c46
              name: Vendor
          $ref: '#/components/schemas/LinkedEntityInformation'
      required:
      - entity1
      - entity2
    AttributeValueInformation:
      type: object
      properties:
        id:
          description: The unique identifier of the attribute.
          type: string
          format: uuid
          example: a34ccec7-1ec0-4d65-9075-bdd0d923f1d1
        value:
          description: The name of the attribute.
          type: string
          example: Text Value
        valueKey:
          description: The name key of the attribute used for translation purposes.
          type: string
          example: attribute.option.valueKey
        colorCode:
          description: The color code associated with the attribute.
          type: string
          example: red
        optionSelectionValue:
          description: The selection value of the attribute.
          type: string
          example: 3.5
        displayLabel:
          description: The display label for the attribute.
          type: string
          example: United State | San Francisco
        disabled:
          description: This flag indicates whether the attribute is disabled.
          type: boolean
          example: false
          default: 'false'
      required:
      - value
    LinkInformation:
      type: object
      properties:
        id:
          description: The unique identifier of the relationship record.
          type: string
          format: uuid
          example: d1119953-b4b5-4042-8cb9-b78038cc4c46
          readOnly: true
        linkType:
          description: The details of the relationship type.
          example:
            name: Related
          $ref: '#/components/schemas/IdOrNameLinkType'
        linkTypeLabel:
          description: The display label for the relationship type.
          example:
            entityType1ToEntityType2EntityLinkName: Send Data To
            entityType2ToEntityType1EntityLinkName: Receive Data From
          $ref: '#/components/schemas/BasicLinkTypeLabelInformation'
        entity1:
          description: The details of the source object in the relationship.
          example:
            id: f2229953-b4b5-4042-8cb9-b78038cc4c46
            entityType:
              id: d1119953-b4b5-4042-8cb9-b78038cc4c46
              name: Vendor
          $ref: '#/components/schemas/LinkedEntityInformation'
        entity2:
          description: The details of the target object in the relationship.
          example:
            id: a2129953-b4b5-4042-8cb9-b78038cc4c46
            entityType:
              id: d1119953-b4b5-4042-8cb9-b78038cc4c46
              name: Vendor
          $ref: '#/components/schemas/LinkedEntityInformation'
        schemaId:
          description: The unique identifier of the schema.
          type: string
          format: uuid
          example: d1119953-b4b5-4042-8cb9-b78038cc4c46
          readOnly: true
        auditFields:
          description: The activity details of when the record was created and last updated.
          example:
            createdBy: admin@example.com
            createdTimestamp: '2023-01-15T10:30:45Z'
            lastModifiedBy: system@example.com
            lastModifiedTimestamp: '2025-03-22T14:15:22Z'
          $ref: '#/components/schemas/EntityRecordAuditInformation'
          readOnly: true
      example:
        id: d1119953-b4b5-4042-8cb9-b78038cc4c46
        linkType:
          name: Related
      required:
      - entity1
      - entity2
      - id
      - linkType
      title: Link Information
    LinkedEntityInformation:
      type: object
      properties:
        linkEntityDetail:
          description: The details of linked objects.
          example:
            includeCustomFields: true
            includeStandardFields: true
          $ref: '#/components/schemas/EntityDetailRequest'
        id:
          description: The unique identifier of the object.
          type: string
          format: uuid
          example: f2229953-b4b5-4042-8cb9-b78038cc4c46
        number:
          description: The sequential order in which the object was created.
          type: integer
          format: int64
          example: 1024
          maximum: 9999999
          minimum: 1
          readOnly: true
        name:
          description: The name of the object.
          type: string
          example: OneTrust DataGuidance
          maxLength: 255
          minLength: 1
        detailsAccessRestricted:
          description: This flag indicates whether the object is view-only.
          type: boolean
          example: false
        redirectURL:
          description: 'The redirect URL for the object. '
          type: string
          example: /entity/product/f2229953-b4b5-4042-8cb9-b78038cc4c46
        entityType:
          description: The details of the object type.
          example:
            id: d1119953-b4b5-4042-8cb9-b78038cc4c46
            name: Product
            displayName: Product
            nameKey: entity.type.product
            displayNameKey: entity.type.product.display
            module: VENDOR
          $ref: '#/components/schemas/BasicEntityTypeInformation'
        deleted:
          description: This flag indicates whether the object is deleted.
          type: boolean
      example:
        id: f2229953-b4b5-4042-8cb9-b78038cc4c46
        number: 1024
        name: OneTrust DataGuidance
        isDeleted: false
        detailsAccessRestricted: false
        redirectURL: /entity/product/f2229953-b4b5-4042-8cb9-b78038cc4c46
        entityType:
          id: d1119953-b4b5-4042-8cb9-b78038cc4c46
          name: Product
          displayName: Product
          nameKey: entity.type.product
          displayNameKey: entity.type.product.display
          module: VENDOR
        linkEntityDetail:
          includeCustomFields: true
          includeStandardFields: true
      required:
      - entityType
      - id
      - number
      title: Linked Entity Information
    EntityRecordAuditInformation:
      type: object
      properties:
        createdDate:
          description: The date and time that the record was created.
          type: string
          format: date-time
          example: '2021-05-13T13:06:49.853Z'
        lastUpdatedDate:
          description: The date and time that the record was last updated.
          type: string
          format: date-time
          example: '2021-05-13T13:06:49.853Z'
        createdBy:
          description: The creation details of the record.
          example:
            id: c21319953-b4b5-4042-8cb9-b78038cc4c51
            name: Name
          $ref: '#/components/schemas/EntityBasicUserInformation'
        lastModifiedBy:
          description: The last modified details of the record.
          example:
            id: c21319953-b4b5-4042-8cb9-b78038cc4c51
            name: Name
          $ref: '#/components/schemas/EntityBasicUserInformation'
      required:
      - createdDate
    BasicEntityTypeInformation:
      type: object
      properties:
        id:
          description: The unique identifier of the object type.
          type: string
          format: uuid
          example: f2229953-b4b5-4042-8cb9-b78038cc4c46
        name:
          description: The name of the object type.
          type: string
          example: Vendor
        seeded:
          description: 'This flag indicates whether the object type is seeded. '
          type: boolean
          example: true
        moduleName:
          description: The name of the product where the object type exists.
          type: string
          example: Vendor
          enum:
          - Vendor
          - DataMapping
          - Risk
          - Assessments
          - CustomEntityManagement
        schemaName:
          description: The name of the schema.
          type: string
          example: vendor
          enum:
          - vendor
          - data-mapping
          - risk
          - assessments
          - customEntityManagement
      example: "{\n \"id\": \"f2229953-b4b5-4042-8cb9-b78038cc4c46\",\n \"name\": \"Vendor\",\n \"nameKey\": \"EntityType.Vendor.Name\",\n \"seeded\": true,\n \"moduleName\": \"Vendor\",\n \"schemaName\": \"vendor\"\n},\n"
      required:
      - id
      - name
  securitySchemes:
    OAUTH2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://{hostname}/api/access/v1/oauth/token
          scopes:
            OBJECT_MANAGER: Grants full access to Object Manager related APIs.
            OBJECT_MANAGER_READ: Grants read access to Object Manager related APIs
            OBJECT_MANAGER_WRITE: Grants write access to Object Manager related APIs
x-onetrust:
  spec-label: OpenAPI 3.1.0
  links:
  - '{''Object Manager'': ''https://my.onetrust.com/s/topic/0TO3q000000JPkQGAW/object-manager''}'
x-readme:
  explorer-enabled: false
  proxy-enabled: false
  metrics-enabled: false