Retrieve a vendor bill
Returns the full detail of a single vendor bill by ID, including all line items, the vendor
account, due date, payment terms, payment history, and the originating purchase order reference.
Use ?expand[]=payments to hydrate payment records inline.
Requires purchasing: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.
Path Parameters
Query Parameters
lines, lines.product, payments, gl_entries, vendor, purchase_order Response
Vendor bill
A vendor invoice (AP). Posts to AP and inventory/expense on approval.
vendor_bill Sequential bill number per entity.
Vendor's invoice number.
draft, pending_approval, approved, rejected, paid, partially_paid, voided 
