Groups.io provides an application programming interface (API) that is open to anyone who uses Groups.io. The API is documented at https://groups.io/api. You can also join the api@beta.groups.io group.
! Important: The API is under active development and subject to change.
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Introduction to Groups.io for group members
Joining or leaving groups
Groups.io accounts
Group subscription and notification preferences
Groups.io home pages
Content stored at group websites
Visiting your groups' websites
Topics and messages
Hashtags
Web features
Sponsoring groups to help cover their hosting costs
Responding to donation requests
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