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Link

Definition: A link is a fully-qualified HTTP address for a particular resource (e.g., "http://my.api.com/v1/resources/resource-name"). RESTful APIs by definition should provide links from a resource to all related resources and collections which provide subsequent actions using the specific resource. Links allow for an API to be traversed organically and for an application developer to ensure his API Client is not in nearly as much jeopardy if a resource's location changed.