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POST
/
a2a
/
workflows
/
{id}
/
v1
/
message:send
Run Message Workflow
curl --request POST \
  --url https://api.example.com/a2a/workflows/{id}/v1/message:send
{
  "jsonrpc": "2.0",
  "id": "request-123",
  "result": {
    "task": {
      "id": "task-456",
      "context_id": "context-789",
      "status": "completed",
      "history": [
        {
          "message_id": "msg-1",
          "role": "agent",
          "parts": [
            {
              "kind": "text",
              "text": "Response from agent"
            }
          ]
        }
      ]
    }
  }
}

Path Parameters

​
id
string
required

Response

Message sent successfully

Represents a successful JSON-RPC response for the message/send method.

​
result
Task · object
required

Represents a single, stateful operation or conversation between a client and an agent.

​
id
​
jsonrpc
string
default:2.0
Allowed value: "2.0"