Why does Fitbit show 'rate limit exceeded' right after connecting?

A rate limit exceeded message right after a user connects usually means the initial data backfill temporarily hit provider rate limits.

A rate limit exceeded message right after a user connects usually means the initial data backfill temporarily hit provider rate limits.

The connection itself is intact. Graphs and data load normally once the limit window passes, so retrying after a short wait resolves it without any reconnection.