1
curl https://api.letta.com/v1/messages/batches/batch_id/messages \
2
     -H "Authorization: Bearer <token>"

1
{
2
  "messages": [
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    {
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      "role": "assistant",
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      "created_by_id": "string",
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      "last_updated_by_id": "string",
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      "created_at": "2024-01-15T09:30:00Z",
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      "updated_at": "2024-01-15T09:30:00Z",
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      "id": "message-123e4567-e89b-12d3-a456-426614174000",
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      "agent_id": "string",
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      "model": "string",
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      "content": [
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        {
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          "type": "omitted_reasoning"
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        }
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      ],
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      "name": "string",
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      "tool_calls": [
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        {
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          "id": "string",
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          "function": {
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            "arguments": "string",
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            "name": "string"
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          },
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          "type": "string"
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        }
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      ],
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      "tool_call_id": "string",
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      "step_id": "string",
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      "run_id": "string",
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      "otid": "string",
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      "tool_returns": [
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        {
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          "status": "success",
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          "stdout": [
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            "string"
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          ],
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          "stderr": [
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            "string"
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          ]
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        }
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      ],
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      "group_id": "string",
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      "sender_id": "string",
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      "batch_item_id": "string",
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      "is_err": true,
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      "approval_request_id": "string",
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      "approve": true,
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      "denial_reason": "string"
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    }
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  ]
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}