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

# Gas data | Plasma

> The gas data JSON-RPC methods allow developers to access current gas prices and historical fee information on the Plasma blockchain.

Retrieving gas and fee information from the Plasma blockchain can be done using the following methods:

<CardGroup cols={2}>
  <Card title="eth_gasPrice" icon="angle-right" iconType="solid" href="/reference/plasma-eth-gasprice" horizontal />

  <Card title="eth_maxPriorityFeePerGas" icon="angle-right" iconType="solid" href="/reference/plasma-eth-maxpriorityfeepergas" horizontal />

  <Card title="eth_feeHistory" icon="angle-right" iconType="solid" href="/reference/plasma-eth-feehistory" horizontal />

  <Card title="eth_blobBaseFee" icon="angle-right" iconType="solid" href="/reference/plasma-eth-blobbasefee" horizontal />
</CardGroup>

This information can be used for:

* **Fee estimation** — calculate optimal gas prices for transactions
* **Cost analysis** — analyze historical gas price trends
* **Wallet applications** — display current network fee information
* **Transaction optimization** — choose appropriate gas parameters