[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › local‑first/Relay

Relay server for data synchronization.

## Functions

| Function                                                                                                        | Description |
| --------------------------------------------------------------------------------------------------------------- | ----------- |
| [createRelaySqliteStorage](https://evolu.dev/docs/api-reference/common/local-first/Relay/functions/createRelaySqliteStorage) | -           |
| [createRelayStorageTables](https://evolu.dev/docs/api-reference/common/local-first/Relay/functions/createRelayStorageTables) | -           |

## Interfaces

| Interface                                                                              | Description                                                                                          |
| -------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| [Relay](https://evolu.dev/docs/api-reference/common/local-first/Relay/interfaces/Relay)             | A completely interchangeable server for syncing and backing up encrypted data between Evolu clients. |
| [RelayConfig](https://evolu.dev/docs/api-reference/common/local-first/Relay/interfaces/RelayConfig) | -                                                                                                    |