> ## Documentation Index
> Fetch the complete documentation index at: https://docs.uniblock.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# eth_syncing

> Returns an object with data about the sync status or false.

### Parameters

<ParamField query="chainId" type="string" default="1101" required>
  Unique identifier for a blockchain network.
</ParamField>

<ParamField body="id" type="number" default={1} required>
  Request identifier used to match responses.
</ParamField>

<ParamField body="jsonrpc" type="string" default="2.0" required>
  JSON-RPC version.
</ParamField>

<ParamField body="method" type="string" default="eth_syncing" required>
  JSON-RPC method name.
</ParamField>

This method does not require any parameters.

### Returns

<ResponseField name="result" type="oneOf">
  Returns syncing status. Either a sync status object if syncing, or `false` if not syncing.

  <Expandable title="variants">
    <ResponseField name="variant1" type="object">
      Sync status object returned while node is syncing.

      <Expandable title="properties">
        <ResponseField name="startingBlock" type="string">
          The block number at which syncing started (hex string quantity).
        </ResponseField>

        <ResponseField name="currentBlock" type="string">
          The current block number (hex quantity).
        </ResponseField>

        <ResponseField name="highestBlock" type="string">
          Estimated highest known block (hex quantity).
        </ResponseField>

        <ResponseField name="blockGap" type="array">
          Array representing missing block range: \[first, last).

          <Expandable title="items">
            <ResponseField name="items[]" type="string" />
          </Expandable>
        </ResponseField>

        <ResponseField name="warpChunksAmount" type="string">
          Total number of snapshot chunks to be processed.
        </ResponseField>

        <ResponseField name="warpChunksProcessed" type="string">
          Total number of snapshot chunks already processed.
        </ResponseField>
      </Expandable>
    </ResponseField>

    <ResponseField name="variant2" type="boolean">
      Returned when the node is not syncing.
    </ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```bash Curl theme={null}
  curl --request POST \
    --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=1101 \
    --header 'content-type: application/json' \
    --data '{
      "id": 1,
      "jsonrpc": "2.0",
      "method": "eth_syncing",
      "params": []
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json Success theme={null}
  {
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
      "startingBlock": "0x384",
      "currentBlock": "0x386",
      "highestBlock": "0x454"
    }
  }
  ```
</ResponseExample>