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GET
Retrieve custom data for entity

Authorizations

Authorization
string
header
required

All requests to the Cortex API need to provide an Authorization: Bearer <token> header, where <token> is an API key created in the Settings page of your workspace.

Query Parameters

tag
string
required

Entity tag (x-cortex-tag), supports non-alphanumeric characters

key
string

When set, returns the entity's value at this key. Otherwise, returns all custom data key/values for the entity.

Response

Successfully retrieved custom data

dateUpdated
string<date-time>
required
key
string
required
source
enum<string>
required
Available options:
YAML,
API,
INTEGRATION
value
object
required
description
string
id
integer<int64>
Last modified on September 29, 2026