If you submit research results that utilize the GEMS data to journals or other publications, we recommend including the following statement:

"This study was conducted using the GEMS(Geostationary Environment Monitoring Spectrometer) data provided by the Environmental Satellite Center of the National Institute of Environmental Research (NIER)."

NIER-2025-01-03-003 (Operation of the Geostationary Environmental Satellite Ground Station and Satellite Data Service)

GEMS Open-API is an interface that enables users to more easily access and use GEMS images and data products to serve their own purposes such as developing web services and mobile applications that integrates GEMS data.

Any user who wants to make use of GEMS data.

1. The Open-API service requires a user key.
2. Go to Open-API Key Issuance and request a key.
3. Once your request is complete, your key code will be sent to you via email.
4. You can use the key to create a URL for data download at Create Open_API URL.

• Request for the issuance of a key at the "Issue the key" page
• Approval by admin
• A Key issued
• Use the key to create an URL at Create Open-API URL
• Run the program

Sample usage of Open-API : api_sample_download.zip

○ image_list_sample.sh : To search the list of image files over a period

○ image_down_sample.sh : To download the image files for a specific time slot

○ data_list_sample.sh : To search the list of data files over a period

○ data_down_sample.sh : To download the data files for a specific time slot