Update exchange rate (NOT IMPLEMENTED)
NOTICE: Multi-currency support is NOT implemented in Arcus.
Returns HTTP 501 unless entities.settings.multi_currency_enabled is true.
Updates the rate value or effective date of an existing exchange rate record. Changes do not
retroactively revalue open foreign-currency invoices. To apply a new rate going forward,
create a new exchange rate record with createExchangeRate using today’s effective date.
Requires settings:write 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.
Path Parameters
Body
The body is of type object.
Response
Updated
The response is of type object.

