The subscription service is used to deliver metadata updates on one or more collections from specific providers from ECHO to the subscribers. Users can create or update...

Taxonomies are a way of categorizing items in ECHO. Taxonomies allow for easier searching and location of those objects. The taxonomy service allows taxonomies to be created and...

AuthenticationService This Service deals with assigning and managing ECHO Tokens. Every user must first obtain a Token (using the Login request) from the AuthenticationService...

The USGS Geoscience Data Catalog is a catalog of earth science data produced by the U.S. Geological Survey. The site provides documentation (metadata) with links to the data...

Allows for the management of event notification subscriptions and delivery options. Event notification subscriptions allow third party applications to be notified by ECHO when...

Provides access to user related functionality such as locating and updating users. The user service can be used by providers to find users and grant or revoke access to the...