> ## Documentation Index > Fetch the complete documentation index at: https://etherspot.fyi/llms.txt > Use this file to discover all available pages before exploring further. # Config These are values which are included within **config.json** # Config detail | Value | Example | Description | Optional | | ------------------------ | ---------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- | | relayers | \["0xPrivateKey1", "0xPrivateKey2"] | Array of relayer private keys or mnemonics, so multiple executors can be set. | No | | beneficiary | "0xAddress" | Fee collector, avaiable via env var (SKANDHA\_BENEFICIARY etc) | Yes | | rpcEndpoint | "[http://localhost:8545](http://localhost:8545)" | RPC provider, also available via env variable (SKANDHA\_RPC etc) | No | | minInclusionDenominator | 10 | (See EIP-4337 spec)\[[https://eips.ethereum.org/EIPS/eip-4337](https://eips.ethereum.org/EIPS/eip-4337)] | Yes | | throttlingSlack | 10 | (See EIP-4337 spec)\[[https://eips.ethereum.org/EIPS/eip-4337](https://eips.ethereum.org/EIPS/eip-4337)] | Yes | | banSlack | 10 | (See EIP-4337 spec)\[[https://eips.ethereum.org/EIPS/eip-4337](https://eips.ethereum.org/EIPS/eip-4337)] | Yes | | minSignerBalance | 1 | Default is 0.1 ETH. If the relayer's balance drops lower than this, it will be selected as a fee collector | Yes | | multicall | "0xAddress" | Multicall3 contract (see here)\[[https://github.com/mds1/multicall#multicall3-contract-addresses](https://github.com/mds1/multicall#multicall3-contract-addresses)] | Yes | | estimationStaticBuffer | 21000 | Adds certain amount of gas to callGasLimit on estimation | Yes | | validationGasLimit | 10e6 | Gas limit during simulateHandleOps and simulateValidation calls | Yes | | receiptLookupRange | 1024 | Limits the block range of getUserOperationByHash and getUserOperationReceipt | Yes | | etherscanApiKey | "A1C15S3AXQHQ7PVVDX63VVK2IBAECS448Z" | Etherscan api is used to fetch gas prices | Yes | | conditionalTransactions | false | Enabling this flag will make the bundler submit all transactions via eth\_sendRawTransactionConditional instead of eth\_sendRawTransaction | Yes | | rpcEndpointSubmit | "[https://polygon-\{network}.blockpi.network/v1/rpc/public](https://polygon-\{network}.blockpi.network/v1/rpc/public)" | RPC endpoint that is used only during submission of a bundle | Yes | | gasPriceMarkup | 0 | Adds % markup on reported gas price via skandha\_getGasPrice, 10000 = 100.00%, 500 = 5% | Yes | | enforceGasPrice | false | Do not bundle userops with low gas prices | No | | enforceGasPriceThreshold | 1000 | Gas price threshold in bps. If set to 500, userops' gas price is allowed to be 5% lower than the network's gas price | Yes | | relayingMode | "classic" | Two options here, "classic" or ["flashbots" which enables flashbot protection](/skanda/mev-protection). | Yes | | eip2930 | "false" | optional, enables eip-2930 | No | | useropsTTL | 300 | optional, Userops time to live (in seconds) | No | | whitelistedEntities | "whitelistedEntities": "factory": \[], "paymaster": \[], "account": \[] | optional, Entities that bypass stake and opcode validation (array of addresses) | No | | bundleGasLimitMarkup | 25000 | optional, adds some amount of additional gas to a bundle tx | Yes | | bundleInterval | 10000 | bundle creation interval | Yes | | bundleSize | 4 | optional, max size of a bundle, 4 userops by default | Yes | | pvgMarkup | 0 | optional, adds some gas on top of estimated PVG | Yes | | cglMarkup | 35000 | optional, markup on estimated call gas limit | Yes | | vglMarkup | 0 | optional, markup on estimated verification gas limit | Yes | | skipBundleValidation | false | optional, skips bundle validation | Yes | | userOpGasLimit | 25000000 | optional, gas limit of a userop | Yes | | bundleGasLimit | 25000000 | optional, gas limit of a bundle | Yes | | archiveDuration | 5184000 | optional, keeps submitted, reverted and cancelled userops in the mempool for this many seconds | Yes | ## Simplest config ```json theme={null} { "entryPoints": [ "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789" ], "relayers": ["0x{RELAYER-PRIVATE-KEY}"], "beneficiary": "0x{BENEFICIARY-ADDRESS}", "rpcEndpoint": "https://polygon-mumbai.blockpi.network/v1/rpc/public" } ``` config.json with a default value of each config parameter ```json theme={null} { "entryPoints": [ "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789" ], "relayers": [ "0x0101010101010101010101010101010101010101010101010101010101010101", "test test test test test test test test test test test junk" ], "beneficiary": "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266", "rpcEndpoint": "http://localhost:8545", "minInclusionDenominator": 10, "throttlingSlack": 10, "banSlack": 50, "minStake": 10000000000, "minUnstakeDelay": 0, "minSignerBalance": 1, "multicall": "0xcA11bde05977b3631167028862bE2a173976CA11", "estimationGasLimit": 0, "receiptLookupRange": 1024, "etherscanApiKey": "", "conditionalTransactions": false, "rpcEndpointSubmit": "", "gasPriceMarkup": 0, "enforceGasPrice": false, "enforceGasPriceThreshold": 1000, "eip2930": false, "useropsTTL": 300, "whitelistedEntities": { "factory": [], "paymaster": [], "account": [] }, "bundleGasLimitMarkup": 25000, "relayingMode": "classic", "bundleInterval": 10000, "bundleSize": 4, "pvgMarkup": 0, "cglMarkup": 35000, "vglMarkup": 0, "skipBundleValidation": false, "userOpGasLimit": 25000000, "bundleGasLimit": 25000000, "archiveDuration": 5184000 } ```