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Documentation Index

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Use this file to discover all available pages before exploring further.

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Overview

Returns the metadata (revision and timestamp) for all stored bucket objects for a device, without the actual values. Used by the device to discover which buckets the server has state for.
This endpoint is part of the Device Protocol API on port 8000. It is called directly by thermostat firmware.

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Endpoint

GET http://your-server:8000/nest/transport/device/{serial}
Also handles legacy path formats:
  • /nest/transport/v7/device/device.{serial}
  • /nest/transport/device/device.{serial}

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Path Parameters

ParameterTypeDescription
serialstringDevice serial number

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Response

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Success (200 OK)

{
  "objects": [
    {
      "object_revision": 42,
      "object_timestamp": 1707148800000,
      "object_key": "device.09AA01AB12345678"
    },
    {
      "object_revision": 15,
      "object_timestamp": 1707148800000,
      "object_key": "shared.09AA01AB12345678"
    },
    {
      "object_revision": 3,
      "object_timestamp": 1707148800000,
      "object_key": "schedule.09AA01AB12345678"
    },
    {
      "object_revision": 1,
      "object_timestamp": 1707148800000,
      "object_key": "user.homeassistant"
    },
    {
      "object_revision": 1,
      "object_timestamp": 1707148800000,
      "object_key": "structure.abc123"
    },
    {
      "object_revision": 1,
      "object_timestamp": 1707148800000,
      "object_key": "device_alert_dialog.09AA01AB12345678"
    }
  ]
}
Values are not included — only object_revision, object_timestamp, and object_key. The device uses this response to build its initial subscribe request, including only the buckets it has seen before.

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Response Headers

X-nl-suspend-time-max: 300
X-nl-service-timestamp: 1707148800000
X-nl-defer-device-window: 15
Standard Nest protocol response headers are included.

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Error (400 Bad Request)

{"error": "Serial required"}

POST /nest/transport

Subscribe endpoint — uses the object list from this endpoint

Nest Protocol: Bucket System

All 28 bucket types documented