GET /api/catalog-items/{id}/relationships/variants

Get all variants related to the given item ID.

Variants can be sorted by the following fields, in ascending and descending order: created

Returns a maximum of 100 variants per request.

Rate limits:
Burst: 350/s
Steady: 3500/m

Scopes: catalogs:read

Servers

https://a.klaviyo.com

Path parameters

Name	Type	Required	Description
`id`	String	Yes	The catalog item ID is a compound ID (string), with format: `{integration}:::{catalog}:::{external_id}`. Currently, the only supported integration type is `$custom`, and the only supported catalog is `$default`.

Request headers

Name Type Required Description

Name	Type	Required	Description
`revision`	String	Yes	API endpoint revision (format: YYYY-MM-DD[.suffix]) Default value: "2025-04-15"

revision

String

Yes

API endpoint revision (format: YYYY-MM-DD[.suffix])

Default value: "2025-04-15"

Query parameters

Name Type Required Description

Name	Type	Required	Description
`filter`	String	No	For more information please visit https://developers.klaviyo.com/en/v2025-04-15/reference/api-overview#filtering Allowed field(s)/operator(s): `ids`: `any` `item.id`: `equals` `sku`: `equals` `title`: `contains` `published`: `equals`
`sort`	String	No	For more information please visit https://developers.klaviyo.com/en/v2025-04-15/reference/api-overview#sorting Possible values: `"created"` `"-created"`
`pagecursor`	String	No	For more information please visit https://developers.klaviyo.com/en/v2025-04-15/reference/api-overview#pagination

filter

String

No

For more information please visit https://developers.klaviyo.com/en/v2025-04-15/reference/api-overview#filtering
Allowed field(s)/operator(s):
ids: any
item.id: equals
sku: equals
title: contains
published: equals

sort

String

No

For more information please visit https://developers.klaviyo.com/en/v2025-04-15/reference/api-overview#sorting

Possible values:

"created"
"-created"

pagecursor

String

No

For more information please visit https://developers.klaviyo.com/en/v2025-04-15/reference/api-overview#pagination

How to start integrating

Add HTTP Task to your workflow definition.
Search for the API you want to integrate with and click on the name.
- This loads the API reference documentation and prepares the Http request settings.
Click Test request to test run your request to the API and see the API's response.

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