ShipStation: Orders Route To The Mapped Building, Notifications Arrive From Every Store

Two ShipStation problems landed together.

Orders now route to the mapped building. ShipStation was quietly ignoring the building each order was mapped to and dropping every order onto the store's default Ship From Location — so a parcel could ship with the wrong return address and be rated from the wrong postal code, and nothing in the logs said anything had gone wrong. The mapping now takes effect: orders land in the right building, and if a mapping is set but doesn't hold a ShipStation ID, the fulfillment fails cleanly instead of silently shipping from the wrong place. That failure is easy to correct — repair the mapping and re-send — whereas a wrong-address label already at the printer is not.

Ship notifications come through from every store on the account. The webhook subscription had been pinned to one store per integration, so any store a sales channel routed orders into produced no notification and only reached Endless via the nightly poll, up to a day late — and if that one poll failed, the shipment slipped past the lookback window entirely. Subscriptions are now account-wide; each fulfillment is matched to its owner by order ID, and shipments from other tenants are ignored the same way they always were. Existing integrations get resubscribed automatically on deploy.