Bulk Create Attribute-Item Relationships

Associates multiple attributes with multiple items in a single operation. Each relationship links one attribute to one or more items. Validates attribute existence before creating relationships. Returns lists of successful and failed associations with detailed error reasons.

POST/api/v1/{team_slug}/{app_slug}/attributes/relationships/bulk

API: Management
OpenAPI: management-api
Updated: Apr 26, 2026

management-api:POST:/api/v1/{team_slug}/{app_slug}/attributes/relationships/bulk

API ownership

API family: Management API
Best for: Trusted back-office workflows that create, update, organize, or delete merchant-owned data.
Do not use from: Browser-only storefront code or public clients.
Guide route: /apis/management/latest

The OpenAPI contract defines the method, path, parameters, request body, and responses for this operation.

Operation

Method: POST
Path: /api/v1/\{team_slug\}/\{app_slug\}/attributes/relationships/bulk
Summary: Bulk Create Attribute-Item Relationships
Description: Associates multiple attributes with multiple items in a single operation. Each relationship links one attribute to one or more items. Validates attribute existence before creating relationships. Returns lists of successful and failed associations with detailed error reasons.
OpenAPI contract: management-api
Operation ID: Not documented in the OpenAPI contract.

Operation key uses API family, method, and path because this OpenAPI contract does not publish an operation ID.

Parameters2 parameters

Name	In	Required	Type	Description
team_slug	path	Yes	string	Team slug
app_slug	path	Yes	string	App slug

Request bodyDocumented body

Required: Yes
Description: Attribute-item relationships to create (max 50)
Content: application/json (object)

Bulk Modify Attribute Relationships Payload

Property	Type	Required	Details
`items`	object[]	Yes	maxItems: 50

Bulk Attribute Relationship Item

Property	Type	Required	Details
`attribute_id`	string	Yes	-
`item_ids`	string[]	Yes	minItems: 1

Generated example (synthetic):

{
  "items": [
    {
      "attribute_id": "string",
      "item_ids": [
        "string"
      ]
    }
  ]
}

Responses4 statuses

Status	Description	Content
200	Relationships processed successfully	application/json (object)
400	Invalid request payload	application/json (object)
401	Unauthorized access	application/json (object)
500	Internal server error	application/json (object)

200 - object

Bulk Add Attribute Relationships Response

Property	Type	Required	Details
`data`	object	No	-
`details`	string[]	No	Additional contextual information about the response. Used to provide supplementary details beyond the main data payload, such as validation warnings or processing notes
`success`	boolean	No	-

Bulk Add Attribute Relationships

Property	Type	Required	Details
`failed_adds`	object[]	No	-
`successful_adds`	object[]	No	-

Bulk Attribute Relationship Failed Op

Property	Type	Required	Details
`attribute_id`	string	No	-
`item_id`	string	No	-
`reason`	string	No	-

Bulk Attribute Relationship Item

Property	Type	Required	Details
`attribute_id`	string	Yes	-
`item_ids`	string[]	Yes	minItems: 1

Generated example (synthetic):

{
  "data": {
    "failed_adds": [
      {
        "attribute_id": "string",
        "item_id": "string",
        "reason": "string"
      }
    ],
    "successful_adds": [
      {
        "attribute_id": "string",
        "item_ids": []
      }
    ]
  },
  "details": [
    "string"
  ],
  "success": false
}

400 - object

Error Message

Property	Type	Required	Details
`details`	string[]	No	-
`message`	string	No	-
`success`	boolean	No	-

Generated example (synthetic):

{
  "details": [
    "string"
  ],
  "message": "string",
  "success": false
}

401 - object

Error Message

Property	Type	Required	Details
`details`	string[]	No	-
`message`	string	No	-
`success`	boolean	No	-

Generated example (synthetic):

{
  "details": [
    "string"
  ],
  "message": "string",
  "success": false
}

500 - object

Error Message

Property	Type	Required	Details
`details`	string[]	No	-
`message`	string	No	-
`success`	boolean	No	-

Generated example (synthetic):

{
  "details": [
    "string"
  ],
  "message": "string",
  "success": false
}

Contract identity

Use these fields to confirm you are implementing the intended endpoint contract.

API family: Management API
Method: POST
Path: /api/v1/\{team_slug\}/\{app_slug\}/attributes/relationships/bulk
Operation ID: Not documented in the OpenAPI contract.
OpenAPI tag: Attributes, Bulk
OpenAPI summary: Bulk Create Attribute-Item Relationships