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With Skandha we have the ability to batch rpc calls together. An example of this in a node script: 
const returnedValue = await fetch('https://rpc.etherspot.io/v1/137', {
    method: 'POST',
    headers: {
        'Accept': 'application/json',
        'Content-Type': 'application/json',
    },
    // Batch together multiple calls like so
    body: JSON.stringify([
        { "method": "skandha_config" }, 
        { "method": "eth_chainId" },
        { "method": "eth_supportedEntryPoints" },
        {     "method": "skandha_feeHistory",
            "params": [
                "0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789",
                "15",
                "latest"
        ]}])
})
    .then((res) => {
        return res.json()
    }).catch((err) => {
        console.log(err);
        // throw new Error(JSON.stringify(err.response))
    });
console.log('Value returned: ', returnedValue);
Here we’re batching skandha_config, eth_chainId, eth_supportedEntryPoints and skandha_feeHistory together. You can do this with any of amount of requests but a limit will be enabled in the future. The response will look like this: 
Value returned:  [
  {
    result: {
      chainId: 137,
      flags: [Object],
      entryPoints: [Array],
      beneficiary: '0xdCdD0DDEaA0407C26DFcD481De9A34e1C55F8d54',
      relayer: '0xdCdD0DDEaA0407C26DFcD481De9A34e1C55F8d54',
      minInclusionDenominator: 10,
      throttlingSlack: 10,
      banSlack: 10,
      minSignerBalance: '0.1 eth',
      multicall: '0xcA11bde05977b3631167028862bE2a173976CA11',
      estimationStaticBuffer: 35000,
      validationGasLimit: 10000000,
      receiptLookupRange: 1024,
      etherscanApiKey: false,
      conditionalTransactions: false,
      rpcEndpointSubmit: false,
      gasPriceMarkup: 2000,
      enforceGasPrice: false,
      enforceGasPriceThreshold: 1000,
      eip2930: false
    }
  },
  { result: '0x89' },
  { result: [ '0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789' ] },
  {
    result: {
      actualGasPrice: [Array],
      maxFeePerGas: [Array],
      maxPriorityFeePerGas: [Array]
    }
  }
]
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