Properties
| Name | Type | Description |
|---|---|---|
| message_id | string | ID of a ready received message or an accepted sent message in this inbox. |
| to | array | |
| cc | array | |
| bcc | array | |
| note | string | Optional plain-text introduction above the forwarded message. |
| include_attachments | boolean | false leaves out every original file, embedded images included. |
| labels | array | Label names, case-sensitive; order and duplicates don't matter. |
| idempotency_key | string | Your unique value for this one operation. Save it with the exact request before sending; repeating that request with the same key within 24 hours returns what the first one did instead of acting again |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/cherami-to/json-schema/cherami-to-forward-input-schema.json",
"title": "ForwardInput",
"x-generated": "2026-11-10",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/cherami-to-sending-api-openapi.yml#/components/schemas/ForwardInput",
"type": "object",
"properties": {
"message_id": {
"type": "string",
"description": "ID of a ready received message or an accepted sent message in this inbox.",
"pattern": "^[a-f0-9-]{36}$"
},
"to": {
"type": "array",
"items": {
"$ref": "#/$defs/Mailbox"
},
"maxItems": 50,
"minItems": 1
},
"cc": {
"type": "array",
"items": {
"$ref": "#/$defs/Mailbox"
},
"maxItems": 50
},
"bcc": {
"type": "array",
"items": {
"$ref": "#/$defs/Mailbox"
},
"maxItems": 50
},
"note": {
"type": "string",
"description": "Optional plain-text introduction above the forwarded message."
},
"include_attachments": {
"type": "boolean",
"default": true,
"description": "false leaves out every original file, embedded images included."
},
"labels": {
"type": "array",
"items": {
"$ref": "#/$defs/Label"
},
"maxItems": 32,
"description": "Label names, case-sensitive; order and duplicates don't matter."
},
"idempotency_key": {
"type": "string",
"description": "Your unique value for this one operation. Save it with the exact request before sending; repeating that request with the same key within 24 hours returns what the first one did instead of acting again.",
"pattern": "^[A-Za-z0-9_-]{1,128}$"
}
},
"required": [
"message_id",
"to"
],
"additionalProperties": false,
"$defs": {
"Label": {
"type": "string",
"description": "1–128 UTF-8 bytes after trimming, without control characters; case-sensitive.",
"x-max-utf8-bytes": 128
},
"Mailbox": {
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "Bare address such as alex@example.com: ASCII, at most 254 characters and 64 before the @.",
"maxLength": 254
},
"name": {
"type": "string",
"description": "Optional name; blank means none. At most 256 UTF-8 bytes after trimming, without control characters.",
"x-max-utf8-bytes": 256
}
},
"required": [
"address"
],
"additionalProperties": false
}
}
}
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