config.json

{
  "rpcs": [
    // Polkadot + Parachains RPCs
    "wss://rpc.polkadot.io",
    "wss://statemint-rpc.polkadot.io",
    "'wss://acala-rpc-0.aca-api.network",
    "wss://wss.odyssey.aresprotocol.io",
    "wss://rpc.astar.network",
    "wss://hk.p.bifrost-rpc.liebi.com/ws",
    "wss://fullnode.parachain.centrifuge.io",
    "wss://rpc-para.clover.finance",
    "wss://rpc.coinversation.io/",
    "wss://rpc.composable.finance",
    "wss://rpc.crust.network",
    "wss://parachain-rpc.darwinia.network",
    "wss://rpc.efinity.io",
    "wss://node.pol.equilibrium.io/",
    "wss://rpc.geminis.network",
    "wss://hydradx-rpc.dwellir.com",
    "wss://polkadot.api.integritee.network",
    "wss://api.interlay.io/parachain",
    "wss://k-ui.kapex.network",
    "wss://pichiu.api.onfinality.io/public-ws",
    "wss://litentry-rpc.dwellir.com",
    "wss://wss.api.moonbeam.network",
    "wss://nodle-parachain.api.onfinality.io/public-ws",
    "wss://omnibtc.io/ws",
    "wss://parachain-rpc.origin-trail.network",
    "wss://rpc.parallel.fi",
    "wss://api.phala.network/ws",
    "wss://parachain-rpc.subdao.org",
    "wss://gamma.subgame.org/",
    "wss://eu-ws.unique.network"
  ],
  /*"history": [
    {
        "chain": "wss://rpc.polkadot.io",
        "startingBlock": 11512045,
        "endingBlock": 11412045,
        "pallets": "balances",
        "distanceBetweenBlocks": [{
                "pallet": "balances",
                "dist": 600
            },
            {
                "pallet": "nominationPools",
                "dist": 6000
            }]
    }
  ]*/
}