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To access ECMWF you will need an API KEY that can be optained at https://api.ecmwf.int/v1/key/. A full description of the ECMWF WEB API can be found at { "ECMWF" : "API", "version" : 1 }. 

Configuration file

{
    "url"   : "https://api.ecmwf.int/v1",
    "key"   : "XXXXXXXXXXXXXXXXXXXXXX",
    "email" : "john.smith@example.com"
}

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http://www.ecmwf.int/publications/manuals/mars/guide/index.html

Proxies

SSL

Learning more

A full description of the ECMWF WEB API can be found at { "ECMWF" : "API", "version" : 1 }.