@daniel As far as I can tell #Octopus has silently changed the tariff to AGILE-24-10-01 so I have changed my displays to use https://api.octopus.energy/v1/products/AGILE-24-10-01/electricity-tariffs/E-1R-AGILE-24-10-01-H/standard-unit-rates/
No reply from Octopus themselves yet though.