Send message
POST
/v1/conversations/:id/messagesAuth: Site public key (rk_pk_)
Send a visitor message. Supports optional file attachments via attachmentIds.
Path parameters
| Name | Type | Description |
|---|---|---|
idrequired | uuid | Conversation ID |
Body parameters
| Name | Type | Description |
|---|---|---|
idrequired | uuid | Client-generated message UUID |
bodyrequired | string | Message text |
sitePublicKeyrequired | string | rk_pk_… key |
attachmentIds | uuid[] | Attachment IDs from uploads/sign |
Responses
201Created message
{
"id": "880e8400-e29b-41d4-a716-446655440003",
"conversationId": "550e8400-e29b-41d4-a716-446655440000",
"body": "Hi, I need help with my order",
"senderType": "visitor",
"createdAt": "2026-01-15T10:01:00Z"
}