You can now use a detailed view to see the amount span data sent to Lightstep for a given billing period. The Span data ingest page contains bar graph that shows the amount of data (GB) ingested for each serivce emitting span data to Lightstep, ordered from largest to smallest, along with a line chart showing that ingest over the billing period. A table at the bottom of the page provides detailed usage for each service.

Span data ingest page