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The Web API provides a way to access ECMWF's data archives in batch from outside ECMWF (users working at ECMWF or through ecgate should use their normal local MARS access). See A brief guide to the Web API for more information, including how to set up the service. Metview versions from 4.4.3 onwards have support for this service (but version 4.4.7 is recommended). See the Releases page for download.
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