Validate carriers without saving
Dry run of POST /v1/carriers/batch: per-item errors and warnings, nothing written. Takes the same body; each carrier is checked on its own. Records are checked as sent, without looking up carriers Envoy already holds.
Authentication: Supports API key and bearer token authentication.
Authentication
Bearer authentication of the form Bearer <token>, where token is your auth token.
Headers
Request
Carriers in the /v1/carriers/batch shape: {“carrier”: {…}}
Response
True when every item is valid (warnings allowed)
Counts for a dry run: how many items would be applied, rejected, or applied with warnings.

