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Note
This method is only supported to on UNIX/Linux and Windows platforms with Python. No assumption should be made regarding service availability and individual user support.


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titleStep-by-step guide

This method allows users to download ECMWF public datasets in a programmatic way.

  1. Install ECMWF key
  2. Install client libraries
  3. Python
    4. Client libraries
  4. Check data availability
  5. Choose dataset
  6. Script examples

  7. Request syntax

  8. More clients

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

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Install ECMWF API Key
Install ECMWF API Key

  1. If you don't have an account, please self register at https://apps.ecmwf.int/registration/ and then go to the steps below.

  2. login https://apps.ecmwf.int/auth/login/

  3. retrieve you key at https://api.ecmwf.int/v1/key/

  4. Copy the information in this page and paste it in the file $HOME/.ecmwfapirc

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Python

You can install the ecmwfapi python library by running:

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sudo pip install https://software.ecmwf.int/wiki/download/attachments/47287906/ecmwf-api-client-python.tgz
If you cannot run the sudo or pip commands, just download the ecmwf-api-client-python.tgz. Extract its content and copy the module ecmwfapi to a directory pointed by the environment variable PYTHONPATH.

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Install ECMWF Web API Python client library
Install ECMWF Web API Python client library
 

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availability

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See Brief request syntax 

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Client Libraries
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We also have some API for several client languages. Note that PYTHON is the most tested and supported.

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Perl

You need to download the clien, extract its content and to a directory pointed by the environment variable  PERL5LIB . This code relies on the JSON perl module, as well as libwww-perl and Crypt::SSLeay.

Java

You need to download the client and you will also need the Java JSON package.

 

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