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

# Health

> Whether the relay can reach every chain, and the keeper's state on each.

<ResponseField name="ok" type="boolean">True when every chain's RPC answered.</ResponseField>
<ResponseField name="nodes" type="number">Resolver nodes connected right now.</ResponseField>
<ResponseField name="oracle" type="boolean | null">True when the oracle has a band, null when the oracle is disabled.</ResponseField>

<ResponseField name="chains" type="object[]">
  One entry per chain served.

  <Expandable title="EVM entry">
    <ResponseField name="chainId" type="number" />

    <ResponseField name="name" type="string" />

    <ResponseField name="block" type="number | null">Latest block, or null when the RPC did not answer.</ResponseField>
    <ResponseField name="keeper" type="string">The keeper's address.</ResponseField>
    <ResponseField name="keeperLeader" type="boolean">Whether this replica holds the keeper lease for the chain.</ResponseField>

    <ResponseField name="inFlightRfqs" type="number" />
  </Expandable>

  <Expandable title="Solana entry">
    <ResponseField name="kind" type="'solana'" />

    <ResponseField name="slot" type="number | null">Latest slot.</ResponseField>
    <ResponseField name="keeperLamports" type="string | null">The keeper's SOL balance in lamports.</ResponseField>
    <ResponseField name="keeperLow" type="boolean | null">True when the keeper is under its configured minimum.</ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="chainId, block, keeper, keeperLeader, inFlightRfqs">The first EVM chain's fields inline, for clients that know only one chain.</ResponseField>

<ResponseExample>
  ```json 200 theme={null}
  {
    "ok": true,
    "nodes": 3,
    "oracle": true,
    "chains": [
      { "chainId": 84532, "name": "Base Sepolia", "block": 31012345, "keeper": "0x…", "keeperLeader": true, "inFlightRfqs": 0 },
      { "chainId": 103, "name": "Solana devnet", "kind": "solana", "slot": 497800000, "keeper": "6XVE…", "keeperLamports": "1830000000", "keeperLow": false, "keeperLeader": true, "inFlightRfqs": 0 }
    ],
    "chainId": 84532, "block": 31012345, "keeper": "0x…", "keeperLeader": true, "inFlightRfqs": 0
  }
  ```
</ResponseExample>