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POST
/
#particle_aa_getFeeQuotes
getFeeQuotes
curl --request POST \
  --url 'https://rpc.particle.network/evm-chain/#particle_aa_getFeeQuotes' \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "particle_aa_getFeeQuotes",
  "params": [
    "<string>"
  ]
}
'
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "verifyingPaymasterGasless": {},
    "verifyingPaymasterNative": {},
    "tokenPaymaster": {}
  },
  "chainId": 80001
}

​
Understanding getFeeQuotes

  • getFeeQuotes returns an array of UserOperation objects and hashes derived from a standard transaction object. Each returned object corresponds to a specific gas Payment method. It takes:
    • Account config object:
      • name - string.
      • version - string.
      • ownerAddress - string.
      • biconomyApiKey - (optional), string. It should only be used if you’d like to use a Biconomy Paymaster.
    • An array of standard transaction objects.

​
Query example

JSON
{
  "jsonrpc": "2.0",
  "id": "f216c7ea-3986-4784-954f-e54320c75b40",
  "chainId": 80001,
  "method": "particle_aa_getFeeQuotes",
  "params": [
    // account config
    {
      "name": "BICONOMY",
      "version": "1.0.0",
      "ownerAddress": "0xA60123a1056e9D38B64c4993615F27cCe9A9E8D5",
      "biconomyApiKey": "LdF-gC43H.6f0ec763-fde5-4d5e-89f6-1b9ef12ba4a4" // optional
    },
    // txs
    [
      {
        "to": "0x329a7f8b91Ce7479035cb1B5D62AB41845830Ce8",
        "value": "0x1",
        "data": "0x"
      }
    ]
  ]
}

Authorizations

​
Authorization
string
header
required

Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password.

Body

application/json

Request to retrieve fee quotes for operations.

​
jsonrpc
string
default:2.0
required

Version of the JSON-RPC protocol, should be 2.0.

Example:

"2.0"

​
id
integer
default:1
required

The request identifier.

Example:

1

​
method
enum<string>
required

API method being called.

Available options:
particle_aa_getFeeQuotes
​
params
(string | object[])[]
required

Parameters for the API method call. Parameters for retrieving fee quotes.

Response

200 - application/json

Successful response with fee quotes.

​
jsonrpc
string
default:2.0
required

Version of the JSON-RPC protocol, should be 2.0.

Example:

"2.0"

​
id
integer
default:1
required

The request identifier.

Example:

1

​
result
object
required
​
chainId
integer

The blockchain chain ID.

Example:

80001