etcd3 provides a HTTP+JSON API as a gateway: https://github.com/coreos/etcd/blob/master/Documentation/dev-guide/api_grpc_gateway.md https://github.com/coreos/et

etcd3 provides a HTTP+JSON API as a gateway: https://github.com/coreos/etcd/blob/master/Documentation/dev-guide/api_grpc_gateway.md https://github.com/coreos/etcd/blob/master/Documentation/dev.... There are users we know successfully using it. If users are unhappy about the HTTP API, or it is too hard to use, we might consider to provide a native HTTP API.