Chain Price

Last 30 days

Uptime

100%

Response time

282 ms typical, 282 ms slowest 5%

Last check

1 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://chain.tollkit.dev/chain/price" \
  -H "content-type: application/json" \
  -d '{"chain":"base","token":"0x4200000000000000000000000000000000000006"}'

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%2Fchain.tollkit.dev%2Fchain%2Fprice
const res = await pay("https://chain.tollkit.dev/chain/price", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"chain":"base","token":"0x4200000000000000000000000000000000000006"}),
});
console.log(await res.json());

Example input

{
  "chain": "base",
  "token": "0x4200000000000000000000000000000000000006"
}

Example output

{
  "chain": "base",
  "low_liquidity": false,
  "pool_depth_usd": 79785764,
  "price_usd": 2689.32,
  "priced_at": "2026-10-04T07:45:37.309Z",
  "source": {
    "dex": "Uniswap v3",
    "fee_tier": 3000,
    "pool": "0x6c561B446416E1A00E8E93E221854d6eA4171372",
    "quote_token": "USDC"
  },
  "symbol": "WETH",
  "token": "0x4200000000000000000000000000000000000006"
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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