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Synology NAS API

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Yuri Feldman (CR/PJ-AI-R34) edited this page Jul 7, 2025 · 1 revision

API docs:

https://global.download.synology.com/download/Document/Software/DeveloperGuide/Package/FileStation/All/enu/Synology_File_Station_API_Guide.pdf

Get API version:

https://<nas id>.quickconnect.to/webapi/query.cgi?api=SYNO.API.Info&version=1&method=query&query=SYNO.API.Auth,SYNO.API.Info

Get all APIs apparently

https://<nas id>.quickconnect.to/webapi/query.cgi?api=SYNO.API.Info&version=1&method=query&query=all

Login request:

https://<nas id>.quickconnect.to/webapi/query.cgi?api=SYNO.API.Auth&version=3&method=login&account=<username>&passwd=<password>&session=FileStation&format=cookie

from curl:

curl -k 'https://<nas id>.quickconnect.to/webapi/query.cgi?api=SYNO.API.Auth&version=3&method=login&account=<username>&passwd=<password>&session=FileStation&format=cookie' -H 'user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36' -H 'authority: <nas id>.quickconnect.to' -H 'referer: <nas id>.quickconnect.to'

to retrieve session ID:

<above command> | jq ‘.data.sid’
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