{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$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" ] }