Fixed
CreateBatchOrderResponse::$batchIdnow deserializes correctly. ThecreateBatchOrderendpoint returns the batch id asbatch_id(snake_case), but the SDK looked forbatchId, leaving it unset and throwingCannot assign null to property ...::$batchId of type floaton every call. The wire mapping is corrected tobatch_idand the property is now nullable (?float). The$response->batchIdaccessor is unchanged.
Backward-compatible patch release. No breaking changes.