Batch create carrier lane preferences
Batch create or update carrier lane preferences (e.g. CSV upload). Accepts API-key or session/bearer auth so both integrations and the web app can call it. Returns per-batch created/updated/failed counts + row errors.
Authentication: Supports API key and bearer token authentication.
Authentication
Bearer authentication of the form Bearer <token>, where token is your auth token.
Headers
Request
Lane preferences (max 1000)

