UK transport, API limit reached

I enabled this last night for the first time, Two sensors with a train to and from Bournemouth. Just received an API limit email even though it has only been active about 12 hours.

Have disabled it for now and will need to do it via an automationtransport

Out of nowhere I started getting emails from TransportAPI moaning about usage on the 11th of August. I was making 100 requests a day at that point.
I’ve now reduced that to 31 requests a day and we’ll see how we get on…