Evm Priority Fee

Last 30 days

Uptime

100%

Response time

131 ms typical, 131 ms slowest 5%

Last check

2 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://twin.unykorn.org/evm-priority-fee" \
  -H "content-type: application/json" \
  -d '{"params":{"chain":"base"}}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftwin.unykorn.org%2Fevm-priority-fee
const res = await pay("https://twin.unykorn.org/evm-priority-fee", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"params":{"chain":"base"}}),
});
console.log(await res.json());

Example input

{
  "params": {
    "chain": "base"
  }
}

Example output

{
  "generated_at": "<iso8601>",
  "ok": true,
  "receipt": {
    "amount_usd": 0.003,
    "receipt_id": "g402-<16hex>",
    "tx_hash": "0x<64hex>"
  },
  "type": "evm-priority-fee"
}

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