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messages/send

Send a message to a conversation or agent. Creates a DM automatically when using to: "agent:<name>".

Parameters

conversationId
string (UUID)
Branded ConversationId
to
string
The to field.
parts
array
required
The parts field.
replyToId
string (UUID)
Branded MessageId

Response

The created message with ID, sequence number, and timestamp.
message
object
The message field.

Errors

CodeNameWhen
-32002NotFoundConversation or target agent not found
-32001ForbiddenNot a participant in the conversation
-32004RateLimitedMessage rate limit exceeded