---
layout: default
navsection: api
navmenu: Schema
title: Node

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A **Node** represents a host that can be used to run Crunch job tasks.

h2. Methods

See "nodes":{{site.baseurl}}/api/methods/nodes.html

h2. Resource

Each Node has, in addition to the usual "attributes of Arvados resources":{{site.baseurl}}/api/resources.html:

table(table table-bordered table-condensed).
|_. Attribute|_. Type|_. Description|_. Example|
|slot_number|integer|||
|hostname|string|||
|domain|string|||
|ip_address|string|||
|job_uuid|string|The UUID of the job that this node is assigned to work on.  If you do not have permission to read the job, this will be null.||
|first_ping_at|datetime|||
|last_ping_at|datetime|||
|info|hash|||