Skip to content


Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?

Latest commit

* Auto-format with prettier v2.8.8

* Allow CI to access secrets once PR is approved

Git stats


Failed to load latest commit information.
Latest commit message
Commit time
February 28, 2023 16:08
February 28, 2023 12:09
February 28, 2023 12:09
February 28, 2023 12:09
May 16, 2018 10:37
May 16, 2018 17:21
February 28, 2023 12:09
November 19, 2020 12:29
November 19, 2020 12:29
February 28, 2023 16:03


Install via pip with:

$ pip install cdsapi


Get your user ID (UID) and API key from the CDS portal at the address and write it into the configuration file, so it looks like:

$ cat ~/.cdsapirc
key: <UID>:<API key>
verify: 0

Remember to agree to the Terms and Conditions of every dataset that you intend to download.


Perform a small test retrieve of ERA5 data:

$ python
>>> import cdsapi
>>> cds = cdsapi.Client()
>>> cds.retrieve('reanalysis-era5-pressure-levels', {
           "variable": "temperature",
           "pressure_level": "1000",
           "product_type": "reanalysis",
           "date": "2017-12-01/2017-12-31",
           "time": "12:00",
           "format": "grib"
       }, 'download.grib')


Copyright 2018 - 2019 European Centre for Medium-Range Weather Forecasts (ECMWF)

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

In applying this licence, ECMWF does not waive the privileges and immunities granted to it by virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.