VRM API documentation set hourly prices for today and tomorrow

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Hi everyone,

We’re trying to set hourly prices for today and tomorrow (for example Sunday and Monday) using the VRM API endpoint /installations/{idSite}/dynamic-ess-settings. Even though our buyPriceSchedule and sellPriceSchedule JSON are formatted correctly, we always get this error:
{“success”:false,“error_code”:“validation_error”,“errors”:{“buyPriceSchedule”:“De prijslijst is ongeldig.”,“sellPriceSchedule”:“De prijslijst is ongeldig.”}}

It seems that the API only accepts schedules for all weekdays together and/or the weekend, but not for individual days.
However, according to the API documentation, it should be possible to define day-specific schedules.

Our goal is to set dynamic buy/sell prices that include low and high transport and delivery rates, for example:
{
“buy”: {
“low”: “(p+0.02623+0.10154)+0.04210”,
“high”: “(p+0.03583+0.10154)+0.080400”
},
“sell”: {
“low”: “(p-0.02174)+0.04210”,
“high”: “(p-0.03491)+0.080400”
}
}

Could this limitation be addressed, or is there any known workaround to apply day-specific schedules?

Thanks in advance!