RPC method

eth_feeHistory on Telos EVM

Supported on SwiftNodes

Measured 2026-10-11 by our weekly probe, which calls eth_feeHistory through the same Telos EVM endpoint customers use.

What eth_feeHistory does

Returns base fees, gas-used ratios and optional priority-fee percentiles for a range of recent blocks. Wallets and SDKs use it to set maxFeePerGas and maxPriorityFeePerGas instead of guessing from eth_gasPrice.

eth_feeHistory on Telos EVM: what we measured

With 0.50 s blocks, a 20-block window covers about 10 seconds of Telos EVM fee history.

Example request

curl -s https://rpc.swiftnodes.io/rpc/telos?key=YOUR_API_KEY \
  -X POST -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"eth_feeHistory","params":["0x14","latest",[25,50,75]]}'

import { createPublicClient, http } from "viem";

const client = createPublicClient({ transport: http("https://rpc.swiftnodes.io/rpc/telos?key=YOUR_API_KEY") });

// Any JSON-RPC method, typed loosely: eth_feeHistory on Telos EVM
const result = await client.request({
  method: "eth_feeHistory",
  params: ["0x14","latest",[25,50,75]],
});

Other methods on Telos EVM

eth_feeHistory on other chains

Support differs by chain; the full measured table is on the eth_feeHistory reference.

Frequently asked questions

Does Telos EVM support eth_feeHistory?

Yes. eth_feeHistory answered correctly on the SwiftNodes Telos EVM endpoint in our weekly method probe (2026-10-11), which sends real requests through the customer path.

Are there limits on eth_feeHistory on Telos EVM?

With 0.50 s blocks, a 20-block window covers about 10 seconds of Telos EVM fee history.

Telos EVM endpoints, live block height and WebSocket status are on the Telos EVM RPC page.

One key covers every chain we serve, and SwiftNodes has a free tier.