Supplier Advances
Supplier Advances — 5 endpoints.
List supplier advances (optionally by supplier / status)
GET /supplier-advances
Open advance balance (the 1260 מקדמות לספקים position) for a supplier or the whole business
GET /supplier-advances/balance
Get one supplier advance
GET /supplier-advances/id
Apply an open advance against a supplier bill (Dr AP supplier control / Cr 1260)
POST /supplier-advances/id/apply
Reverse one advance→bill application (symmetric with apply)
POST /supplier-advances/id/unapply