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POST
/
quai_feeHistory
curl --request POST \
  --url https://rpc.quai.network/cyprus1/ \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "quai_feeHistory",
  "params": [
    "0x2",
    "0x8",
    [
      2,
      4,
      6
    ]
  ],
  "id": 1
}'
{
  "jsonrpc": "2.0",
  "result": {
    "oldestBlock": "0x15d",
    "reward": [
      [
        "0x3b9aca00",
        "0x3b9aca00",
        "0x3b9aca00"
      ],
      [
        "0x3b9aca00",
        "0x3b9aca00",
        "0x3b9aca00"
      ]
    ],
    "baseFeePerGas": [
      "0x12",
      "0x10",
      "0x1e"
    ],
    "gasUsedRatio": [
      0.0441,
      0.0023625
    ]
  },
  "id": 1
}

Body

application/json
​
jsonrpc
enum<string>
required
Available options:
2.0
Example:

"2.0"

​
method
enum<string>
required

The name of the method to be invoked.

Available options:
quai_feeHistory
Example:

"quai_feeHistory"

​
params
(string | integer[])[]
required

The block count, the latest block to be queried, and the fee percentiles.

Required array length: 3 elements
Example:
["0x2", "0x8", [2, 4, 6]]
​
id
integer
required

A unique identifier for the request.

Example:

1

Response

200 - application/json

Successful response

​
jsonrpc
string
Example:

"2.0"

​
result
object

Returns the feeHistory percentiles for the provided block range.

Example:
{
  "oldestBlock": "0x15d",
  "reward": [
    ["0x3b9aca00", "0x3b9aca00", "0x3b9aca00"],
    ["0x3b9aca00", "0x3b9aca00", "0x3b9aca00"]
  ],
  "baseFeePerGas": ["0x12", "0x10", "0x1e"],
  "gasUsedRatio": [0.0441, 0.0023625]
}
​
id
integer
Example:

1