[1] [CITE@ja[Using OAuth 2.0 for Installed Applications - Google Accounts Authentication and Authorization — Google Developers]]
([TIME[2014-12-05 11:52:26 +09:00]] 版)
<https://developers.google.com/accounts/docs/OAuth2InstalledApp#incrementalAuth>

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[2] [CITE@en[Strava API Authentication]]
([TIME[2016-04-15 06:01:09 +09:00]] 版)
<https://strava.github.io/api/v3/oauth/>
]FIGCAPTION]

> approval_prompt:	string optional 
> ‘force’ or ‘auto’, use ‘force’ to always show the authorization prompt even if the user has already authorized the current application, default is ‘auto’

]FIG]