PUT
/
crm
/
objects
/
2025-09
/
{objectType}
/
{objectId}
/
associations
/
{toObjectType}
/
{toObjectId}
Create
curl --request PUT \
  --url https://api.hubapi.com/crm/objects/2025-09/{objectType}/{objectId}/associations/{toObjectType}/{toObjectId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '[
  {
    "associationCategory": "HUBSPOT_DEFINED",
    "associationTypeId": 123
  }
]'
{
  "location": "<string>",
  "createdResourceId": "<string>",
  "entity": {
    "fromObjectTypeId": "<string>",
    "toObjectId": "<string>",
    "toObjectTypeId": "<string>",
    "fromObjectId": "<string>",
    "labels": [
      "<string>"
    ]
  }
}
Supported products
Requires one of the following products or higher.
Marketing HubMarketing HubFree
Sales HubSales HubFree
Service HubService HubFree
Content HubContent HubStarter

​
Required Scopes

This API requires one of the following scopes:
  • crm.objects.orders.read
  • crm.objects.appointments.sensitive.read.v2
  • crm.objects.contacts.highly_sensitive.read.v2
  • crm.objects.companies.write
  • crm.objects.custom.sensitive.read.v2
  • crm.objects.users.read
  • crm.objects.users.write
  • crm.objects.commercepayments.write
  • crm.objects.invoices.write
  • crm.objects.contacts.highly_sensitive.write.v2
  • crm.objects.carts.write
  • crm.objects.appointments.write
  • crm.objects.partner-services.read
  • crm.objects.custom.write
  • tickets
  • crm.objects.deals.sensitive.write.v2
  • oauth
  • crm.objects.deals.highly_sensitive.write.v2
  • crm.objects.companies.highly_sensitive.write.v2
  • tickets.sensitive.v2
  • crm.objects.appointments.read
  • crm.objects.appointments.sensitive.write.v2
  • media_bridge.read
  • crm.objects.listings.read
  • crm.objects.courses.write
  • crm.objects.carts.read
  • crm.objects.listings.write
  • crm.objects.custom.read
  • crm.objects.deals.read
  • crm.objects.subscriptions.read
  • crm.objects.companies.sensitive.read.v2
  • crm.objects.companies.read
  • crm.objects.custom.sensitive.write.v2
  • crm.objects.deals.highly_sensitive.read.v2
  • crm.objects.contacts.sensitive.write.v2
  • crm.objects.companies.highly_sensitive.read.v2
  • crm.objects.partner-services.write
  • crm.objects.contacts.read
  • crm.objects.services.write
  • crm.objects.orders.write
  • crm.objects.subscriptions.write
  • crm.objects.commercepayments.read
  • crm.objects.products.write
  • crm.objects.custom.highly_sensitive.read.v2
  • crm.objects.deals.write
  • crm.objects.invoices.read
  • e-commerce
  • tickets.highly_sensitive.v2
  • crm.objects.quotes.write
  • crm.objects.leads.read
  • crm.objects.leads.write
  • crm.objects.custom.highly_sensitive.write.v2
  • crm.objects.deals.sensitive.read.v2
  • crm.objects.goals.write
  • crm.objects.companies.sensitive.write.v2
  • crm.objects.contacts.write
  • crm.objects.goals.read
  • crm.objects.partner-clients.write
  • crm.objects.line_items.read
  • crm.objects.contacts.sensitive.read.v2
  • crm.objects.line_items.write
  • crm.objects.products.read
  • crm.objects.courses.read
  • crm.objects.quotes.read
  • crm.objects.partner-clients.read
  • crm.objects.services.read

Authorizations

​
Authorization
string
header
required

The access token received from the authorization server in the OAuth 2.0 flow.

Path Parameters

​
objectType
string
required
​
objectId
string
required
​
toObjectType
string
required
​
toObjectId
string
required

Body

application/json · object[]
​
associationCategory
enum<string>
required

The category of the association, such as "HUBSPOT_DEFINED".

Available options:
HUBSPOT_DEFINED,
USER_DEFINED,
INTEGRATOR_DEFINED
​
associationTypeId
integer
required

The ID representing the specific type of association.

Response

successful operation

​
createdResourceId
string
required
​
entity
object
required
​
location
string