Get Fee Quotes
pm_getFeeQuoteOrData
All paymaster URLs allow you to use both Sponsorship and Token Paymasters. To switch between paymasters you will simply change the Mode of a specific request. We will highlight both types of requests below.
This endpoint returns the MODE
and paymasterAndData
for sponsored requests and returns specific fee quote information for token paymaster requests.
Parameters
Body
Param | Type | Description | Required |
---|---|---|---|
method | string | Name of method in this case: pm_getFeeQuoteOrData | Required |
params | array | An array consisting of the Useroperation object and Paymaster mode information | Required |
id | string | id for request determined by client for JSON RPC requests | Required |
jsonrpc | string | JSON RPC version in this case 2.0.0 | Required |
Params Array for Sponsorship requests
Index | Type | Description | Required |
---|---|---|---|
0 | object | A partial userOperation object for the userOp that needs to be sponsored | Required |
1 | object | Mode specified as "SPONSORSHIP" as well as sposorship information which includes any webhook data and smart account information: name and version | Required |
Params Array for ERC20 paymaster requests
Index | Type | Description | Required |
---|---|---|---|
0 | object | A partial userOperation object for the userOp that needs to be sponsored | Required |
1 | object | Mode specified as "ERC20" as well as tokenInfo: a preferred token address and list of tokens to include | Required |
1. Mode is SPONSORED:
POST Request
{
"jsonrpc": "2.0",
"method": "pm_getFeeQuoteOrData",
"id": 1,
"params": [
{
...partialUserOp
},
{
"mode": "SPONSORED",
"calculateGasLimits" : true,
// Mandatory Fields
"sponsorshipInfo": {
"webhookData": {},
"smartAccountInfo": {
"name": "BICONOMY" | "INFINITSM",
"version": "2.0.0" // pass version as 1.0.0 in case of INFINITSM
}
}
}
]
}
Response
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"MODE": "SPONSORED",
"paymasterAndData": "0xdc91ffb7c4b800d70410a79a5b503ae4391f67e40000000000000000000000007306ac7a32eb690232de81a9ffb44bb346026fab00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000041e1f74852c31150f18ef4e472b748148f8ae031849032218b26170414a18c9f99516eb13a4a9bd35d1334194348cccee3d270b6e7bb400b39f0c8d645266ead601c00000000000000000000000000000000000000000000000000000000000000",
"preVerificationGas": "75388",
"verificationGasLimit": 57121,
"callGasLimit": 108848
}
}
2. Mode is ERC20:
POST Request
{
"jsonrpc": "2.0",
"method": "pm_getFeeQuoteOrData",
"id": 1,
"params": [
{
..userOpParams
},
{
"mode": "ERC20",
// Mandatory Fields
"tokenInfo": {
"preferredToken": "0xbf22b04e250a5921ab4dc0d4ced6e391459e92d4",
"tokenList": [
"0xdA5289FCAAF71d52A80A254dA614A192B693e975",
"0xda5289fcaaf71d52a80a254da614a192b693e977",
"0xeabc4b91d9375796aa4f69cc764a4ab509080a58"
]
}
}
]
}
Response
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"MODE": "ERC20",
"paymasterAddress": "0x716bc27e1b904331c58891cc3ab13889127189a7",
"feeQuotes": [
{
"symbol": "USDT",
"decimal": 18,
"tokenAddress": "0xbf22b04e250a5921ab4dc0d4ced6e391459e92d4",
"maxGasFee": 0.25267043311569887,
"maxGasFeeUSD": 0.0010842277144671015,
"exchangeRate": 232808808808808800000,
"premiumPercentage": "13",
"validUntil": 1686847490,
"logoUrl": "https://raw.githubusercontent.com/spothq/cryptocurrency-icons/master/128/color/usdt.png"
}
],
"unsupportedTokens": [
"0xbf22b04e250a5921ab4dc0d4ced6e391459e92d3",
"0xda5289fcaaf71d52a80a254da614a192b693e977",
"0xeabc4b91d9375796aa4f69cc764a4ab509080a58"
]
}
}
note
If both preferredToken
& tokenList
are present in the request body, but some tokens are not supported by Biconomy, those will be returned also in the response body under unsupportedTokens
.