API Updates — March 19, 2026

New bill filtering by payment ID — Added customer_friendly_payment_id query parameter to filter bills by their customer-friendly payment identifier, making it easy to find all bills belonging to the same payment or batch payment. The response also now includes customer_friendly_payment_id on bill payment objects. View endpoint

New bill filtering by draft bill ID — Added draft_bill_id query parameter to the List Bills endpoint to filter by the originating draft bill. The bill response now also includes draft_bill_id to indicate which draft bill a bill was created from. View endpoint

New bill and draft bill filtering by remote ID — Added remote_id query parameter to both the List Bills and List Draft Bills endpoints, allowing you to look up bills and drafts by their external system identifier. View endpoint | View draft bills endpoint

Reactivate deleted inventory item options — Added reactivate field to the PATCH /developer/v1/accounting/inventory-item/options/{option_id} request body, bringing parity with custom field options by letting you restore soft-deleted inventory item options. View endpoint

Vendor owner is now optional — The vendor_owner_id field is no longer required when creating a vendor via POST /developer/v1/vendors. Omitting it creates the vendor without an owner. View endpoint