> ## Documentation Index
> Fetch the complete documentation index at: https://docs.uniblock.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# getRecentPrioritizationFees

> Returns a list of prioritization fees from recent blocks.

### Parameters

<ParamField query="chainId" type="string" default="solana-devnet" required>
  Unique identifier for a blockchain network.
</ParamField>

<ParamField body="id" type="number" default={1} required>
  Request identifier used to match responses.
</ParamField>

<ParamField body="jsonrpc" type="string" default="2.0" required>
  JSON-RPC version.
</ParamField>

<ParamField body="method" type="string" default="getRecentPrioritizationFees" required>
  JSON-RPC method name.
</ParamField>

<ParamField body="params" type="object" default={[["CxELquR1gPP8wHe33gZ4QxqGB3sZ9RSwsJ2KshVewkFY"]]} placeholder="[[&#x22;CxELquR1gPP8wHe33gZ4QxqGB3sZ9RSwsJ2KshVewkFY&#x22;]]">
  The parameters for method getRecentPrioritizationFees: \[accountAddresses]

  Positional parameters for <code>getRecentPrioritizationFees</code>:

  <ul>
    <li><code>params\[]</code>: Optional array of account addresses (up to 128), base-58 encoded strings. Determines fee based on locking all provided accounts as writable.</li>
  </ul>
</ParamField>

### Returns

<ResponseField name="result" type="array">
  Array of prioritization fee objects from recent blocks.

  <Expandable title="items">
    <ResponseField name="items[]" type="object">
      Prioritization fee information for a specific slot.

      <Expandable title="properties">
        <ResponseField name="slot" type="integer">
          Slot in which the fee was observed.
        </ResponseField>

        <ResponseField name="prioritizationFee" type="integer">
          Per-compute-unit fee paid by at least one successfully landed transaction, in micro-lamports (0.000001 lamports).
        </ResponseField>
      </Expandable>
    </ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```bash Curl theme={null}
  curl --request POST \
    --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=solana-devnet \
    --header 'content-type: application/json' \
    --data '{
      "id": 1,
      "jsonrpc": "2.0",
      "method": "getRecentPrioritizationFees",
      "params": [
        [
          "CxELquR1gPP8wHe33gZ4QxqGB3sZ9RSwsJ2KshVewkFY"
        ]
      ]
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json Success theme={null}
  {
    "jsonrpc": "2.0",
    "id": 1,
    "result": [
      {
        "slot": 348125,
        "prioritizationFee": 0
      },
      {
        "slot": 348126,
        "prioritizationFee": 1000
      },
      {
        "slot": 348127,
        "prioritizationFee": 500
      },
      {
        "slot": 348128,
        "prioritizationFee": 0
      },
      "..."
    ]
  }
  ```
</ResponseExample>