{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/optimizely/main/json-schema/optimizely-transactional-mail-input-schema.json", "title": "TransactionalMailInput", "description": "Input for sending a transactional email", "x-generated": "2026-10-12", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/optimizely-transactional-mail-api-openapi.yml#/components/schemas/TransactionalMailInput", "type": "object", "required": [ "recipient_email", "mailing_id" ], "properties": { "recipient_email": { "type": "string", "format": "email", "description": "Email address of the recipient" }, "mailing_id": { "type": "integer", "format": "int64", "description": "Identifier for the transactional mailing template" }, "personalization": { "type": "object", "description": "Key-value pairs for personalizing the email content", "additionalProperties": { "type": "string" } } } }