Foursquare
Documentation
https://developer.foursquare.com/docs/places-api/authentication/#web-applications
Configuration
https://developer.foursquare.com/
danger
Foursquare requires an additional apiVersion parameter in YYYYMMDD format, which essentially states "I'm prepared for API changes up to this date".
Options
The Foursquare Provider comes with a set of default options:
You can override any of the options to suit your own use case.
Example
import Providers from `next-auth/providers`
...
providers: [
  Providers.Foursquare({
    clientId: process.env.FOURSQUARE_CLIENT_ID,
    clientSecret: process.env.FOURSQUARE_CLIENT_SECRET,
    apiVersion: 'YYYYMMDD'
  })
]
...