SDKs
Client-side SDKs
Client-side SDKs are used in environments where there is a single user, such as a website or app.
On initialization, the client-side SDK fetches feature flags for the user from the AppFlags edge servers. Feature flags are then managed on the client device for instant retrieval.
The client-side SDKs are:
Server-side SDKs
Server-side SDKs are used in environments where feature flags are needed for multiple users, such as a backend server.
On initialization, the server-side SDK fetches your feature flag configuration from the AppFlags edge servers. Feature flags are then computed locally in the SDK for instant retrieval.
The server-side SDKs are: