POST
/
custom
/
attributes
/
users
curl --request POST \
--url 'https://YOURSITE.konstant.ly/openapi/v1/custom/attributes/users' \
--header 'X-API-KEY: 1qaz2wsx3edc4rfv1qaz2wsx3edc4rfv' \
--header 'Content-Type: application/json' \
--data '[
{
    "name": "Division",
    "type": 3,
    "apiId": "division",
    "position": 1,
    "isRequired": true,
    "isVisible": true,
    "isEditable": true,
    "extraData": [
{
    "position": 1,
    "value": "Sales"
},
{
    "position": 2,
    "value": "Marketing"
}
    ]
},
{
    "name": "Start Date",
    "type": 2,
    "apiId": "start_date",
    "position": 2,
    "isRequired": true,
    "isVisible": true,
    "isEditable": true
}
]'

[
{
    "id": 1,
    "name": "Division",
    "type": 3,
    "apiId": "division",
    "position": 1,
    "isRequired": true,
    "isEditable": true,
    "extraData": [
{
    "id": 1,
    "position": 1,
    "value": "Sales"
},
{
    "id": 2,
    "position": 2,
    "value": "Marketing"
}
    ]
},
{
    "id": 2,
    "name": "Start Date",
    "type": 2,
    "apiId": "start_date",
    "position": 2,
    "isRequired": true,
    "isEditable": true,
    "extraData": null
}
]

​
Request Headers

​
X-API-KEY
string
required
API Key. Go to your Konstantly site > Settings > API and copy the value from there.

​
Request Body

The request body should contain an array of attribute configuration objects. Each attribute object has these properties:
​
id
integer
ID of an existing attribute if updating (omit for new attributes)
​
name
string
required
Display name of the attribute
​
type
integer
required
Type of attribute:
  • 1: text
  • 2: date
  • 3: single choice
  • 4: multiple choice
  • 5: user choice
  • 6: yes/no
  • 7: external link
  • 8: number
​
apiId
string
API identifier for the attribute. Generated automatically if not provided.
​
position
integer
required
Display order position of the attribute
​
isRequired
boolean
required
Whether this attribute is mandatory
​
isVisible
boolean
required
Whether this attribute is visible in the interface
​
isEditable
boolean
required
Whether this attribute can be modified
​
extraData
array
Required for choice-type attributes (types 3 and 4). Array of options, each containing:

​
Response

Returns an array of the updated attribute configurations with IDs assigned.

​
Error Responses

​
400
object
Validation error response

​
Usage Notes

  1. Type-specific requirements:
  • Text (type 1): Limited to 255 characters
  • Date (type 2): Must be valid ISO format dates
  • Single/Multiple Choice (types 3, 4): Must include extraData options
  • Number (type 8): Must be valid numeric values
  1. Updating existing attributes:
  • Include the ID to update rather than create new
  • Cannot change type of existing attributes
  • Can modify options for choice attributes
  • Position numbers should be unique
  1. Validation:
  • All required fields must be provided
  • Type must be valid (1-8)
  • Position must be a positive integer
  • Choice types require at least one option
  • apiId must be unique if provided
curl --request POST \
--url 'https://YOURSITE.konstant.ly/openapi/v1/custom/attributes/users' \
--header 'X-API-KEY: 1qaz2wsx3edc4rfv1qaz2wsx3edc4rfv' \
--header 'Content-Type: application/json' \
--data '[
{
    "name": "Division",
    "type": 3,
    "apiId": "division",
    "position": 1,
    "isRequired": true,
    "isVisible": true,
    "isEditable": true,
    "extraData": [
{
    "position": 1,
    "value": "Sales"
},
{
    "position": 2,
    "value": "Marketing"
}
    ]
},
{
    "name": "Start Date",
    "type": 2,
    "apiId": "start_date",
    "position": 2,
    "isRequired": true,
    "isVisible": true,
    "isEditable": true
}
]'

[
{
    "id": 1,
    "name": "Division",
    "type": 3,
    "apiId": "division",
    "position": 1,
    "isRequired": true,
    "isEditable": true,
    "extraData": [
{
    "id": 1,
    "position": 1,
    "value": "Sales"
},
{
    "id": 2,
    "position": 2,
    "value": "Marketing"
}
    ]
},
{
    "id": 2,
    "name": "Start Date",
    "type": 2,
    "apiId": "start_date",
    "position": 2,
    "isRequired": true,
    "isEditable": true,
    "extraData": null
}
]