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Open Data Protocol overview

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OData (Open Data Protocol) is a standard that defines conventions, rules and formats for handling data on the web using Hypertext Transfer Protocol (HTTP/HTTPS) requests.

OData is based on the Representational State Transfer (REST) architecture, which allow resources – identified using Uniform Resource Identifiers (URIs) – to be published and edited by Web clients using simple HTTP messages. The OData specification defines a set of rules for constructing URIs to identify the data and metadata exposed by an OData server as well as a set of reserved URI query string operators.

In the case of the ONDA, the OData interface exposed by the Catalogue allows browsing, selecting and downloading of EO products in the Catalogue itself.