POST
curl --request POST \
  --url https://rpc.etherspot.io/paymaster/ \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "pm_getERC20TokenQuotes",
  "params": [
    {
      "sender": "<string>",
      "nonce": "<string>",
      "initCode": "<string>",
      "callData": "<string>",
      "callGasLimit": "<string>",
      "verificationGasLimit": "<string>",
      "preVerificationGas": "<string>",
      "maxPriorityFeePerGas": "<string>",
      "maxFeePerGas": "<string>",
      "paymasterAndData": "<string>",
      "signature": "<string>"
    }
  ],
  "id": 123
}'

Example values you use to demo the API:

{
  "jsonrpc": "2.0",
  "method": "pm_getERC20TokenQuotes",
  "params": [
    {
      "sender": "0xB3aF6CFDDc444B948132753AD8214a20605692eF",
      "nonce": "0x6",
      "initCode": "0x",
      "callData": "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",
      "callGasLimit": "0x88b8",
      "verificationGasLimit": "0x186a0",
      "maxFeePerGas": "0x8dcac078f",
      "maxPriorityFeePerGas": "0x8dcac078f",
      "paymasterAndData": "0x0101010101010101010101010101010101010101000000000000000000000000000000000000000000000000000001010101010100000000000000000000000000000000000000000000000000000000000000000101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101",
      "signature": "0x",
      "preVerificationGas": "0xcb78"
    },
    "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789",
    [{ token: "0x0Fd9e8d3aF1aaee056EB9e802c3A762a667b1904" }]
  ],
  "id": 1
}

Example response:

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    etherUSDExchangeRate: "0x1e"
    paymasterAddress: "0x386eD13Ba07E1C409693b299BbB9839d05aF20c3"
    gasEstimates: {
      "preVerificationGas": "0xc01c",
      "verificationGasLimit": "0xf4f1",
      "callGasLimit": "0x15971"
    }
    feeEstimates: {
      "maxFeePerGas": "0x8dcac078f",
      "maxPriorityFeePerGas": "0x8dcac078f"
    }
    quotes: [
      {
        "token": "0x0Fd9e8d3aF1aaee056EB9e802c3A762a667b1904",
        "symbol": "LINK",
        "decimals": 18,
        "etherTokenExchangeRate": "0x01a055690d9db80000",
        "serviceFeePercent": 15
      }
    ]
    unsupportedTokens: []
  }
}

Query Parameters

​
apiKey
string

Arka API key

​
chainId
string

Chain ID

Body

application/json
get Token exchange quotes for the supported tokens with fee and gas estimates
​
jsonrpc
enum<string>
default:
2.0
required
Available options:
2.0
​
method
enum<string>
default:
pm_getERC20TokenQuotes
required
Available options:
pm_getERC20TokenQuotes
​
params
array
required

User Operation

​
id
integer
required

Response

200

Successful operation

pm_sponsorUserOperation