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LaunchDarkly Compatible Endpoints

FlagTGL provides a set of endpoints that are wire-compatible with the LaunchDarkly relay proxy protocol. This allows existing LaunchDarkly SDKs to connect directly to FlagTGL without any code changes -- you only need to update the base URL.

The following endpoints are supported:

  • /sdk/evalx/{envId}/users -- Server-side flag evaluation for all flags
  • /sdk/evalx/{envId}/user -- Server-side flag evaluation for a single user context
  • /all -- SSE stream for real-time flag updates (server-side SDKs)
  • /eval/{envId} -- Client-side evaluation endpoint

Point your LaunchDarkly SDK's BaseUri, StreamUri, and EventsUri to your FlagTGL relay proxy address to complete the migration.