AR aging by customer
Returns an accounts-receivable aging summary for the entity, grouping open invoice balances
into configurable buckets (Current, 1-30, 31-60, 61-90, 90+ days past due). Each row
contains the account name, account ID, and the outstanding balance in each bucket. Use
as_of_date to run historical aging snapshots without altering live data.
Requires migration:read scope.
Authorizations
API key issued per entity via Settings > Developers > API Keys.
Each key carries scopes (e.g. orders:read, products:write).
Bearer token format: Authorization: Bearer ark_live_ent_Test keys use ark_test_ent_. Both are issued per entity
via Settings > Developers > API Keys.

