Send A2A v0.3 message
POST/v2/agents/:agent_key/v1/message:send
Sends a message to the agent. Blocks until the agent reaches a terminal or interrupted state. Returns the resulting task, or a direct message reply for stateless interactions.
To continue an existing conversation, set message.contextId to the prior task's id.
Request
Responses
- 200
- 400
- 404
The send-message response — exactly one of task or message.
The request was malformed.
Agent or referenced context not found.