syntax = "proto3";

package rtx.platform.billing;

service BillingService {
  rpc TrackUsage(UsageTrackingRequest) returns (UsageTrackingResponse);
}

message UsageTrackingRequest {
  string tenant_id = 1;
  string resource_type = 2;
  uint64 amount = 3;
}

message UsageTrackingResponse {
  bool success = 1;
}