Customer.io · Schema
v1_cio_relationships
Describes relationships to an entity—a non-person object in Customer.io, like a company, educational course, job board, etc.
Behavioral DataBroadcastCampaignsCDPCustomer DataCustomer Data PlatformData IngestionEmailEvent TrackingMarketing AutomationMessagingPush NotificationsSegmentsSMSTransactional EmailA2A
Properties
| Name | Type | Description |
|---|---|---|
| action | string | This determines whether the `relationships` array adds relationships to a person or removes them from a person. |
| relationships | object |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/api-evangelist/customer-io/main/json-schema/customer-io-v1-cio-relationships-schema.json",
"title": "v1_cio_relationships",
"description": "Describes relationships to an entity—a non-person object in Customer.io, like a company, educational course, job board, etc.",
"x-generated": "2026-10-12",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/customer-io-track-customers-api-openapi.yml#/components/schemas/v1_cio_relationships",
"x-scalar-ignore": true,
"type": "object",
"properties": {
"action": {
"type": "string",
"description": "This determines whether the `relationships` array adds relationships to a person or removes them from a person.",
"enum": [
"add_relationships",
"delete_relationships"
]
},
"relationships": {
"$ref": "#/$defs/object_relationships"
}
},
"$defs": {
"object_identifiers": {
"x-scalar-ignore": true,
"type": "object",
"properties": {
"identifiers": {
"description": "The identifiers for a particular object. You can use either the `object_type_id` and `object_id` (where `object_type_id` represents the type of object and the `object_id` is the individual identifier for the object) or the `cio_object_id`.",
"oneOf": [
{
"title": "Object ID",
"type": "object",
"required": [
"object_type_id",
"object_id"
],
"properties": {
"object_type_id": {
"$ref": "#/$defs/object_type_id"
},
"object_id": {
"type": "string",
"description": "The unique identifier for an object. If you use an `object_id` that already exists, we'll update the object accordingly."
}
}
},
{
"title": "CIO Object ID",
"type": "object",
"required": [
"cio_object_id"
],
"properties": {
"cio_object_id": {
"type": "string",
"description": "A unique value that Customer.io sets for an object when you create it. This ID is immutable."
}
}
}
]
}
}
},
"object_relationships": {
"x-scalar-ignore": true,
"type": "array",
"description": "Each object in the array represents a relationship you want to add to, or remove from, a person.",
"items": {
"allOf": [
{
"$ref": "#/$defs/object_identifiers"
},
{
"type": "object",
"properties": {
"relationship_attributes": {
"$ref": "#/$defs/relationship_attributes"
}
}
}
]
}
},
"object_type_id": {
"x-scalar-ignore": true,
"type": "string",
"description": "The object type an object belongs to—like \"Companies\" or \"Accounts\". Object type IDs are string-formatted integers that begin at `1` and increment for each new type."
},
"relationship_attributes": {
"x-scalar-ignore": true,
"type": "object",
"description": "The attributes associated with a relationship. Passing null or an empty string removes the attribute from the relationship.\n",
"additionalProperties": {
"x-additionalPropertiesName": "Relationship Attributes"
}
}
}
}
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