customer_id

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/customer-io/main/json-schema/customer-io-customer-id-schema.json",
  "title": "customer_id",
  "description": "The ID of a customer profile, analogous to a \"person\" in the UI. If your workspace supports multiple identifiers (email and ID), this value can be null.",
  "x-generated": "2026-10-12",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/customer-io-forms-api-openapi.yml#/components/schemas/customer_id",
  "x-scalar-ignore": true,
  "type": [
    "string",
    "null"
  ]
}