{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/sendgrid/main/json-schema/sendgrid-contactdb-recipient200-schema.json", "title": "ContactDB: Recipient", "x-generated": "2026-10-12", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/sendgrid-lists-api-openapi.yml#/components/schemas/ContactdbRecipient200", "type": "object", "properties": { "recipients": { "type": "array", "items": { "type": "object", "properties": { "id": { "type": "string", "description": "The ID of this recipient." }, "created_at": { "type": "number", "description": "The time this record was created in your contactdb, in unixtime." }, "custom_fields": { "type": "array", "description": "The custom fields assigned to this recipient and their values.", "items": { "$ref": "#/$defs/ContactdbCustomFieldIdValue" } }, "email": { "type": "string", "description": "The email address of this recipient. This is a default custom field that SendGrid provides.", "format": "email" }, "first_name": { "description": "The first name of this recipient. This is a default custom field that SendGrid provides.", "type": [ "string", "null" ] }, "last_name": { "description": "The last name of the recipient.", "type": [ "string", "null" ] }, "last_clicked": { "description": "The last time this recipient clicked a link from one of your campaigns, in unixtime.", "type": [ "number", "null" ] }, "last_emailed": { "description": "The last time this user was emailed by one of your campaigns, in unixtime.", "type": [ "number", "null" ] }, "last_opened": { "description": "The last time this recipient opened an email from you, in unixtime.", "type": [ "number", "null" ] }, "updated_at": { "type": "number", "description": "The last update date for this recipient's record." } }, "required": [ "email" ] } } }, "$defs": { "ContactdbCustomFieldIdValue": { "title": "ContactDB Custom field schema.", "type": "object", "properties": { "name": { "type": "string", "description": "The name of the field" }, "type": { "type": "string", "description": "The type of the field.", "$ref": "#/$defs/Type" }, "id": { "type": "number", "description": "The ID of the custom field." }, "value": { "description": "The value of this recipient's custom field", "type": [ "string", "null" ] } } }, "Type": { "type": "string", "enum": [ "date", "text", "number" ] } } }