Sets or clears a plan: a cap of amount_usd over days (PATCH /key/budget with budget_usd and period_days). days null means one calendar month. Setting an amount starts a fresh period.
amount_usd
days
budget_usd
period_days
Optional
Sets or clears a plan: a cap of
amount_usdoverdays(PATCH /key/budget withbudget_usdandperiod_days).daysnull means one calendar month. Setting an amount starts a fresh period.