Association Types
The
Association Type
object represents the relationship between two objects.Properties
id
UUIDremote_id
StringThe third-party API ID of the matching object.
created_at
DateTime (ISO 8601)The datetime that this object was created by Merge.
modified_at
DateTime (ISO 8601)The datetime that this object was modified by Merge.
source_object_class
ObjectThe class of the source object (Custom Object or Common Model) for the association type.
target_object_classes
AssociationSubType[]remote_key_name
Stringdisplay_name
Stringcardinality
Enum Possible values include:
ONE_TO_ONE
, MANY_TO_ONE
, MANY_TO_MANY
, ONE_TO_MANY
. In cases where there is no clear mapping, the original value passed through will be returned. To receive all enum values in the original format, use the show_enum_origins query parameter. Learn more.is_required
BooleanGET
/custom-object-classes/{custom_object_class_id}/association-types
Betahttps://api.merge.dev/api/crm/v1/custom-object-classes/{custom_object_class_id}/association-types
US
EU
APAC
Returns a list of AssociationType
objects.
Query & path parameters
created_after
DateTime (ISO 8601)Optional
If provided, will only return objects created after this datetime.
created_before
DateTime (ISO 8601)Optional
If provided, will only return objects created before this datetime.
cursor
StringOptional
The pagination cursor value.
custom_object_class_id
UUIDRequired
expand
StringOptional
Which relations should be returned in expanded form. Multiple relation names should be comma separated without spaces.
include_deleted_data
BooleanOptional
Indicates whether or not this object has been deleted in the third party platform. Full coverage deletion detection is a premium add-on. Native deletion detection is offered for free with limited coverage. Learn more.
include_remote_data
BooleanOptional
Whether to include the original data Merge fetched from the third-party to produce these models.
include_shell_data
BooleanOptional
Whether to include shell records. Shell records are empty records (they may contain some metadata but all other fields are null).
modified_after
DateTime (ISO 8601)Optional
If provided, only objects synced by Merge after this date time will be returned.
modified_before
DateTime (ISO 8601)Optional
If provided, only objects synced by Merge before this date time will be returned.
page_size
IntegerOptional
Number of results to return per page.
remote_id
StringOptional
The API provider's ID for the given object.
Field support by integration
Use the /linked-accounts endpoint to pull platform support information

HubSpot
On top of normalized Common Models, Merge also supports Passthrough Requests and deleted data detection for this platform's API
Supported Response Fields
cardinality
Enumdisplay_name
Stringremote_id
Stringremote_key_name
Stringtarget_object_classes
AssociationSubType[]id
stringcreated_at
stringmodified_at
stringorigin_type
string
Salesforce
On top of normalized Common Models, Merge also supports Passthrough Requests and deleted data detection for this platform's API
Supported Response Fields
display_name
Stringis_required
Booleanremote_key_name
Stringtarget_object_classes
AssociationSubType[]id
stringcreated_at
stringmodified_at
stringorigin_type
string
Zendesk Sell
On top of normalized Common Models, Merge also supports Passthrough Requests and deleted data detection for this platform's API
Supported Response Fields
cardinality
Enumdisplay_name
Stringremote_id
Stringremote_key_name
Stringtarget_object_classes
AssociationSubType[]id
stringcreated_at
stringmodified_at
stringorigin_type
stringPOST
/custom-object-classes/{custom_object_class_id}/association-types
Betahttps://api.merge.dev/api/crm/v1/custom-object-classes/{custom_object_class_id}/association-types
US
EU
APAC
Creates an AssociationType
object with the given values.
Query & path parameters
custom_object_class_id
UUIDRequired
is_debug_mode
BooleanOptional
Whether to include debug fields (such as log file links) in the response.
run_async
BooleanOptional
Whether or not third-party updates should be run asynchronously.
Body parameters
model
ObjectRequired
Find available fields below under “Model Parameters”.
Model parameters
View app-specific writable fields under “Field support by platform” in this section.source_object_class
Objecttarget_object_classes
Arrayremote_key_name
Stringdisplay_name
Stringcardinality
StringONE_TO_ONE
- ONE_TO_ONE
is_required
BooleanTo include the correct model fields when making POST requests, use the GET /custom-object-classes/{custom_object_class_id}/association-types/meta/post endpoint. Learn more in our /meta guide.
GET
/custom-object-classes/{custom_object_class_id}/association-types/{id}
Betahttps://api.merge.dev/api/crm/v1/custom-object-classes/{custom_object_class_id}/association-types/{id}
US
EU
APAC
Returns an AssociationType
object with the given id
.
Query & path parameters
custom_object_class_id
UUIDRequired
expand
StringOptional
Which relations should be returned in expanded form. Multiple relation names should be comma separated without spaces.
id
UUIDRequired
include_remote_data
BooleanOptional
Whether to include the original data Merge fetched from the third-party to produce these models.
Field support by integration
Use the /linked-accounts endpoint to pull platform support information

HubSpot
On top of normalized Common Models, Merge also supports Passthrough Requests and deleted data detection for this platform's API
Supported Response Fields
cardinality
Enumdisplay_name
Stringremote_id
Stringremote_key_name
Stringtarget_object_classes
AssociationSubType[]id
stringcreated_at
stringmodified_at
stringorigin_type
string
Salesforce
On top of normalized Common Models, Merge also supports Passthrough Requests and deleted data detection for this platform's API
Supported Response Fields
display_name
Stringis_required
Booleanremote_key_name
Stringtarget_object_classes
AssociationSubType[]id
stringcreated_at
stringmodified_at
stringorigin_type
string
Zendesk Sell
On top of normalized Common Models, Merge also supports Passthrough Requests and deleted data detection for this platform's API
Supported Response Fields
cardinality
Enumdisplay_name
Stringremote_id
Stringremote_key_name
Stringtarget_object_classes
AssociationSubType[]id
stringcreated_at
stringmodified_at
stringorigin_type
stringGET
/custom-object-classes/{custom_object_class_id}/association-types/meta/post
Betahttps://api.merge.dev/api/crm/v1/custom-object-classes/{custom_object_class_id}/association-types/meta/post
US
EU
APAC
Returns metadata for CRMAssociationType
POSTs.
Query & path parameters
custom_object_class_id
UUIDRequired