HubSpot CRM Projects API

openapi: 3.0.1
info:
  title: HubSpot CRM Projects
  description: Basepom for all HubSpot Projects
  version: 2026-03
  x-hubspot-product-tier-requirements:
    marketing: FREE
    sales: FREE
    service: FREE
    cms: FREE
    commerce: FREE
    crmHub: FREE
    dataHub: FREE
servers:
- url: https://api.hubapi.com
tags:
- name: Advanced
- name: Basic
- name: Batch
- name: Search
paths:
  /crm/objects/2026-03/projects:
    get:
      tags:
      - Basic
      summary: List
      description: Read a page of projects. Control what is returned via the `properties` query param.
      operationId: get-/crm/objects/2026-03/projects
      parameters:
      - name: after
        in: query
        description: The paging cursor token of the last successfully read resource will be returned as
          the `paging.next.after` JSON property of a paged response containing more results.
        required: false
        style: form
        explode: true
        schema:
          type: string
      - name: archived
        in: query
        description: Whether to return only results that have been archived.
        required: false
        style: form
        explode: true
        schema:
          type: boolean
          default: false
      - name: associations
        in: query
        description: A comma separated list of object types to retrieve associated IDs for. If any of
          the specified associations do not exist, they will be ignored.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: string
      - name: limit
        in: query
        description: The maximum number of results to display per page.
        required: false
        style: form
        explode: true
        schema:
          type: integer
          format: int32
          default: 10
      - name: properties
        in: query
        description: A comma separated list of the properties to be returned in the response. If any of
          the specified properties are not present on the requested object(s), they will be ignored.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: string
      - name: propertiesWithHistory
        in: query
        description: A comma separated list of the properties to be returned along with their history
          of previous values. If any of the specified properties are not present on the requested object(s),
          they will be ignored. Usage of this parameter will reduce the maximum number of objects that
          can be read by a single request.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: string
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CollectionResponseSimplePublicObjectWithAssociationsForwardPaging'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.read
      x-hubspot-user-level-auth:
        internalOnly: false
    post:
      tags:
      - Basic
      summary: Create
      description: Create a project with the given properties and return a copy of the object, including
        the ID.
      operationId: post-/crm/objects/2026-03/projects
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SimplePublicObjectInputForCreate'
        required: true
      responses:
        '201':
          description: successful operation
          headers:
            Location:
              description: URL of the newly created resource
              style: simple
              explode: false
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SimplePublicObject'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/batch/archive:
    post:
      tags:
      - Batch
      summary: Archive a batch of projects
      description: Archive multiple projects using their IDs.
      operationId: post-/crm/objects/2026-03/projects/batch/archive
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BatchInputSimplePublicObjectId'
        required: true
      responses:
        '204':
          description: No content
          content: {}
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/batch/create:
    post:
      tags:
      - Batch
      summary: Create a batch of projects
      description: Create multiple projects in a single request.
      operationId: post-/crm/objects/2026-03/projects/batch/create
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BatchInputSimplePublicObjectBatchInputForCreate'
        required: true
      responses:
        '201':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicObject'
        '207':
          description: multiple statuses
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicObjectWithErrors'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/batch/read:
    post:
      tags:
      - Batch
      summary: Read a batch of projects
      description: Retrieve records by record ID or include the idProperty parameter to retrieve records
        by a custom unique value property.
      operationId: post-/crm/objects/2026-03/projects/batch/read
      parameters:
      - name: archived
        in: query
        description: Whether to return only results that have been archived.
        required: false
        style: form
        explode: true
        schema:
          type: boolean
          default: false
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BatchReadInputSimplePublicObjectId'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicObject'
        '207':
          description: multiple statuses
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicObjectWithErrors'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.read
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/batch/update:
    post:
      tags:
      - Batch
      summary: Update a batch of projects
      description: Update multiple projects using their internal IDs or unique property values.
      operationId: post-/crm/objects/2026-03/projects/batch/update
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BatchInputSimplePublicObjectBatchInput'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicObject'
        '207':
          description: multiple statuses
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicObjectWithErrors'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/batch/upsert:
    post:
      tags:
      - Batch
      summary: Create or update a batch of projects
      description: Create or update records identified by a unique property value as specified by the
        `idProperty` query param. `idProperty` query param refers to a property whose values are unique
        for the object.
      operationId: post-/crm/objects/2026-03/projects/batch/upsert
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BatchInputSimplePublicObjectBatchInputUpsert'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicUpsertObject'
        '207':
          description: multiple statuses
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponseSimplePublicUpsertObjectWithErrors'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/merge:
    post:
      tags:
      - Advanced
      summary: Merge two projects
      description: Merge two project records. Learn more about [merging records](https://knowledge.hubspot.com/records/merge-records).
      operationId: post-/crm/objects/2026-03/projects/merge
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PublicMergeInput'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SimplePublicObject'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/search:
    post:
      tags:
      - Search
      summary: Search for projects
      description: Search for projects by filtering on properties, searching through associations, and
        sorting results. Learn more about [CRM search](https://developers.hubspot.com/docs/guides/api/crm/search#make-a-search-request).
      operationId: post-/crm/objects/2026-03/projects/search
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PublicObjectSearchRequest'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CollectionResponseWithTotalSimplePublicObject'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.read
      x-hubspot-rate-limit-exemptions:
      - ten-secondly
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/projects/{projectId}:
    get:
      tags:
      - Basic
      summary: Read
      description: Read an Object identified by `{projectId}`. `{projectId}` refers to the internal object
        ID by default, or optionally any unique property value as specified by the `idProperty` query
        param.  Control what is returned via the `properties` query param.
      operationId: get-/crm/objects/2026-03/projects/{projectId}
      parameters:
      - name: projectId
        in: path
        required: true
        schema:
          pattern: .+
          type: string
      - name: archived
        in: query
        description: Whether to return only results that have been archived.
        required: false
        style: form
        explode: true
        schema:
          type: boolean
          default: false
      - name: associations
        in: query
        description: A comma separated list of object types to retrieve associated IDs for. If any of
          the specified associations do not exist, they will be ignored.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: string
      - name: idProperty
        in: query
        description: The name of a property whose values are unique for this object type
        required: false
        style: form
        explode: true
        schema:
          type: string
      - name: properties
        in: query
        description: A comma separated list of the properties to be returned in the response. If any of
          the specified properties are not present on the requested object(s), they will be ignored.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: string
      - name: propertiesWithHistory
        in: query
        description: A comma separated list of the properties to be returned along with their history
          of previous values. If any of the specified properties are not present on the requested object(s),
          they will be ignored.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: string
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SimplePublicObjectWithAssociations'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.read
      x-hubspot-user-level-auth:
        internalOnly: false
    delete:
      tags:
      - Basic
      summary: Archive
      description: Move an Object identified by `{projectId}` to the recycling bin.
      operationId: delete-/crm/objects/2026-03/projects/{projectId}
      parameters:
      - name: projectId
        in: path
        required: true
        schema:
          pattern: .+
          type: string
      responses:
        '204':
          description: No content
          content: {}
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
    patch:
      tags:
      - Basic
      summary: Update
      description: Perform a partial update of an Object identified by `{projectId}`or optionally a unique
        property value as specified by the `idProperty` query param. `{projectId}` refers to the internal
        object ID by default, and the `idProperty` query param refers to a property whose values are unique
        for the object. Provided property values will be overwritten. Read-only and non-existent properties
        will result in an error. Properties values can be cleared by passing an empty string.
      operationId: patch-/crm/objects/2026-03/projects/{projectId}
      parameters:
      - name: projectId
        in: path
        required: true
        schema:
          pattern: .+
          type: string
      - name: idProperty
        in: query
        description: The name of a property whose values are unique for this object type
        required: false
        style: form
        explode: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SimplePublicObjectInput'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SimplePublicObject'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.projects.write
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/{fromObjectType}/{fromObjectId}/associations/default/{toObjectType}/{toObjectId}:
    put:
      tags:
      - Batch
      summary: ''
      description: ''
      operationId: put-/crm/objects/2026-03/{fromObjectType}/{fromObjectId}/associations/default/{toObjectType}/{toObjectId}_/crm/objects/2026-03/{fromObjectType}/{fromObjectId}/associations/default/{toObjectType}/{toObjectId}
      parameters:
      - name: fromObjectId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: fromObjectType
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: toObjectId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: toObjectType
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponsePublicDefaultAssociation'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - oauth-access
      - oauth2:
        - crm.objects.deals.read
      - oauth2:
        - crm.objects.subscriptions.read
      - oauth2:
        - crm.objects.services.read
      - oauth2:
        - crm.objects.tickets.sensitive.read
      - oauth2:
        - crm.objects.orders.read
      - oauth2:
        - crm.objects.listings.write
      - oauth2:
        - crm.objects.custom.read
      - oauth2:
        - crm.objects.companies.write
      - oauth2:
        - crm.objects.tasks.read
      - oauth2:
        - crm.objects.custom.sensitive.write.v2
      - oauth2:
        - crm.objects.custom.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.companies.read
      - oauth2:
        - crm.objects.contacts.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.appointments.sensitive.read.v2
      - oauth2:
        - crm.objects.tickets.highly_sensitive.read
      - oauth2:
        - crm.objects.companies.sensitive.read.v2
      - oauth2:
        - crm.objects.tickets.sensitive.write
      - oauth2:
        - media_bridge.read
      - oauth2:
        - crm.objects.deals.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.contacts.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.companies.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.commercepayments.write
      - oauth2:
        - crm.objects.invoices.write
      - oauth2:
        - crm.objects.contacts.sensitive.write.v2
      - oauth2:
        - crm.objects.users.write
      - oauth2:
        - crm.objects.calls.read
      - oauth2:
        - crm.objects.meetings.read
      - oauth2:
        - crm.objects.custom.sensitive.read.v2
      - oauth2:
        - crm.objects.users.read
      - oauth2:
        - crm.objects.partner-services.read
      - oauth2:
        - crm.objects.orders.write
      - oauth2:
        - crm.objects.partner-services.write
      - oauth2:
        - crm.objects.appointments.write
      - oauth2:
        - crm.objects.projects.highly_sensitive.write
      - oauth2:
        - crm.objects.carts.write
      - oauth2:
        - crm.objects.tickets.highly_sensitive.write
      - oauth2:
        - tickets
      - oauth2:
        - crm.objects.commercepayments.read
      - oauth2:
        - crm.objects.products.write
      - oauth2:
        - crm.objects.services.write
      - oauth2:
        - crm.objects.subscriptions.write
      - oauth2:
        - crm.objects.deals.sensitive.write.v2
      - oauth2:
        - crm.objects.contacts.read
      - oauth2:
        - crm.objects.appointments.sensitive.write.v2
      - oauth2:
        - crm.objects.invoices.read
      - oauth2:
        - crm.objects.projects.highly_sensitive.read
      - oauth2:
        - tickets.sensitive.v2
      - oauth2:
        - crm.objects.custom.write
      - oauth2:
        - crm.objects.deals.write
      - oauth2:
        - e-commerce
      - oauth2:
        - crm.objects.appointments.read
      - oauth2:
        - crm.objects.companies.sensitive.write.v2
      - oauth2:
        - crm.objects.projects.read
      - oauth2:
        - crm.objects.deals.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.custom.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.companies.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.goals.write
      - oauth2:
        - crm.objects.line_items.write
      - oauth2:
        - crm.objects.projects.sensitive.read
      - oauth2:
        - crm.objects.contacts.write
      - oauth2:
        - crm.objects.goals.read
      - oauth2:
        - crm.objects.line_items.read
      - oauth2:
        - crm.objects.partner-clients.write
      - oauth2:
        - crm.objects.projects.write
      - oauth2:
        - crm.objects.deals.sensitive.read.v2
      - oauth2:
        - crm.objects.projects.sensitive.write
      - oauth2:
        - crm.objects.quotes.write
      - oauth2:
        - tickets.highly_sensitive.v2
      - oauth2:
        - crm.objects.leads.read
      - oauth2:
        - crm.objects.leads.write
      - oauth2:
        - crm.objects.carts.read
      - oauth2:
        - crm.objects.emails.read
      - oauth2:
        - crm.objects.quotes.read
      - oauth2:
        - crm.objects.courses.write
      - oauth2:
        - crm.objects.partner-clients.read
      - oauth2:
        - crm.objects.notes.read
      - oauth2:
        - crm.objects.courses.read
      - oauth2:
        - crm.objects.listings.read
      - oauth2:
        - crm.objects.contacts.sensitive.read.v2
      - oauth2:
        - crm.objects.products.read
      - oauth2:
        - oauth
      x-hubspot-user-level-auth:
        internalOnly: false
  /crm/objects/2026-03/{objectType}/{objectId}/associations/{toObjectType}/{toObjectId}:
    put:
      tags:
      - Basic
      summary: ''
      description: ''
      operationId: put-/crm/objects/2026-03/{objectType}/{objectId}/associations/{toObjectType}/{toObjectId}_/crm/objects/2026-03/{objectType}/{objectId}/associations/{toObjectType}/{toObjectId}
      parameters:
      - name: objectId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: objectType
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: toObjectId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: toObjectType
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              type: array
              items:
                $ref: '#/components/schemas/AssociationSpec'
        required: true
      responses:
        '201':
          description: successful operation
          headers:
            Location:
              description: URL of the newly created resource
              style: simple
              explode: false
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LabelsBetweenObjectPair'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - oauth-access
      - oauth2:
        - crm.objects.deals.read
      - oauth2:
        - crm.objects.subscriptions.read
      - oauth2:
        - crm.objects.services.read
      - oauth2:
        - crm.objects.tickets.sensitive.read
      - oauth2:
        - crm.objects.orders.read
      - oauth2:
        - crm.objects.listings.write
      - oauth2:
        - crm.objects.custom.read
      - oauth2:
        - crm.objects.companies.write
      - oauth2:
        - crm.objects.tasks.read
      - oauth2:
        - crm.objects.custom.sensitive.write.v2
      - oauth2:
        - crm.objects.custom.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.companies.read
      - oauth2:
        - crm.objects.contacts.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.appointments.sensitive.read.v2
      - oauth2:
        - crm.objects.tickets.highly_sensitive.read
      - oauth2:
        - crm.objects.companies.sensitive.read.v2
      - oauth2:
        - crm.objects.tickets.sensitive.write
      - oauth2:
        - media_bridge.read
      - oauth2:
        - crm.objects.deals.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.contacts.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.companies.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.commercepayments.write
      - oauth2:
        - crm.objects.invoices.write
      - oauth2:
        - crm.objects.contacts.sensitive.write.v2
      - oauth2:
        - crm.objects.users.write
      - oauth2:
        - crm.objects.calls.read
      - oauth2:
        - crm.objects.meetings.read
      - oauth2:
        - crm.objects.custom.sensitive.read.v2
      - oauth2:
        - crm.objects.users.read
      - oauth2:
        - crm.objects.partner-services.read
      - oauth2:
        - crm.objects.orders.write
      - oauth2:
        - crm.objects.partner-services.write
      - oauth2:
        - crm.objects.appointments.write
      - oauth2:
        - crm.objects.projects.highly_sensitive.write
      - oauth2:
        - crm.objects.carts.write
      - oauth2:
        - crm.objects.tickets.highly_sensitive.write
      - oauth2:
        - tickets
      - oauth2:
        - crm.objects.commercepayments.read
      - oauth2:
        - crm.objects.products.write
      - oauth2:
        - crm.objects.services.write
      - oauth2:
        - crm.objects.subscriptions.write
      - oauth2:
        - crm.objects.deals.sensitive.write.v2
      - oauth2:
        - crm.objects.contacts.read
      - oauth2:
        - crm.objects.appointments.sensitive.write.v2
      - oauth2:
        - crm.objects.invoices.read
      - oauth2:
        - crm.objects.projects.highly_sensitive.read
      - oauth2:
        - tickets.sensitive.v2
      - oauth2:
        - crm.objects.custom.write
      - oauth2:
        - crm.objects.deals.write
      - oauth2:
        - e-commerce
      - oauth2:
        - crm.objects.appointments.read
      - oauth2:
        - crm.objects.companies.sensitive.write.v2
      - oauth2:
        - crm.objects.projects.read
      - oauth2:
        - crm.objects.deals.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.custom.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.companies.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.goals.write
      - oauth2:
        - crm.objects.line_items.write
      - oauth2:
        - crm.objects.projects.sensitive.read
      - oauth2:
        - crm.objects.contacts.write
      - oauth2:
        - crm.objects.goals.read
      - oauth2:
        - crm.objects.line_items.read
      - oauth2:
        - crm.objects.partner-clients.write
      - oauth2:
        - crm.objects.projects.write
      - oauth2:
        - crm.objects.deals.sensitive.read.v2
      - oauth2:
        - crm.objects.projects.sensitive.write
      - oauth2:
        - crm.objects.quotes.write
      - oauth2:
        - tickets.highly_sensitive.v2
      - oauth2:
        - crm.objects.leads.read
      - oauth2:
        - crm.objects.leads.write
      - oauth2:
        - crm.objects.carts.read
      - oauth2:
        - crm.objects.emails.read
      - oauth2:
        - crm.objects.quotes.read
      - oauth2:
        - crm.objects.courses.write
      - oauth2:
        - crm.objects.partner-clients.read
      - oauth2:
        - crm.objects.notes.read
      - oauth2:
        - crm.objects.courses.read
      - oauth2:
        - crm.objects.listings.read
      - oauth2:
        - crm.objects.contacts.sensitive.read.v2
      - oauth2:
        - crm.objects.products.read
      - oauth2:
        - oauth
      x-hubspot-user-level-auth:
        internalOnly: false
    delete:
      tags:
      - Basic
      summary: ''
      description: ''
      operationId: delete-/crm/objects/2026-03/{objectType}/{objectId}/associations/{toObjectType}/{toObjectId}_/crm/objects/2026-03/{objectType}/{objectId}/associations/{toObjectType}/{toObjectId}
      parameters:
      - name: objectId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: objectType
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: toObjectId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: toObjectType
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      responses:
        '204':
          description: No content
          content: {}
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - oauth-access
      - oauth2:
        - crm.objects.deals.read
      - oauth2:
        - crm.objects.subscriptions.read
      - oauth2:
        - crm.objects.services.read
      - oauth2:
        - crm.objects.tickets.sensitive.read
      - oauth2:
        - crm.objects.orders.read
      - oauth2:
        - crm.objects.listings.write
      - oauth2:
        - crm.objects.custom.read
      - oauth2:
        - crm.objects.companies.write
      - oauth2:
        - crm.objects.tasks.read
      - oauth2:
        - crm.objects.custom.sensitive.write.v2
      - oauth2:
        - crm.objects.custom.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.companies.read
      - oauth2:
        - crm.objects.contacts.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.appointments.sensitive.read.v2
      - oauth2:
        - crm.objects.tickets.highly_sensitive.read
      - oauth2:
        - crm.objects.companies.sensitive.read.v2
      - oauth2:
        - crm.objects.tickets.sensitive.write
      - oauth2:
        - media_bridge.read
      - oauth2:
        - crm.objects.deals.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.contacts.highly_sensitive.write.v2
      - oauth2:
        - crm.objects.companies.highly_sensitive.read.v2
      - oauth2:
        - crm.objects.commercepayments.write
      - oauth2:
        - crm.objects.invoices.write
      - oauth2:
        - crm.objects.contacts.sensitive.write.v2
      - oauth2:
        - crm.objects.users.write
      - oauth2:
        - crm.objects.calls.read
      - oauth2:
        - crm.objects.meetings.read
      - oauth2:
        - crm.objects.custom.se

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# Full source: https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/openapi/hubspot-crm-projects-api-openapi.yml