Chain Token Trades
by Tanod chainpeek in Onchain & crypto
chainpeek (Tanod) recent large trades on a token: big buys and sells above a USD size on Base or Ethereum, read from DEX swap events. Use when an agent needs the recent large buys and sells of an ERC-20 token: side, USD size, sender.
POST https://tanod.dev/v1/chain/token-trades
Last 30 days
Status and outage history · Atom feed
- Uptime
- 100%
- Response time
- 1.0 s typical, 1.2 s slowest 5%
- Last check
- 1 h ago
- Next check
- any minute now
How to call it
POST https://tanod.dev/v1/chain/token-trades
Each call costs $0.01 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
POST https://tanod.dev/v1/chain/token-trades
content-type: application/json
{
"chain": "base",
"min_usd": 9000,
"token": "0x940181a94A35A4569E4529A3CDfB74e38FD98631"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
chain | string | No | base (default) or ethereum. One of: base, ethereum. Default: "base". |
min_usd | number | No | Smallest trade to report, in USD of the quote side (default 1000, minimum 100). Default: 1000. |
token | string | Yes | ERC-20 token address (0x + 40 hex). |
window_minutes | integer | No | How far back to read, in minutes (default 60). At most 60 on Base and 240 on Ethereum, so that the window fits one eth_getLogs read of at most 2,000 blocks per pool. Default: 60. |
Example response
The provider's example. We can't check it without paying.
Example response, 127 lines
{
"block": 52461129,
"cached": false,
"chain": "base",
"decimals": 18,
"eth_usd": 2498.71,
"min_usd": 9000,
"note": "Read from DEX swap events on chain (Uniswap V2, Uniswap V3 and, on Base, Aerodrome pools against WETH or USDC; at most the 3 pools with the most liquidity). It can miss trades on pools that are not scanned. The size is the quote side of the swap in USD (WETH at the current Chainlink ETH/USD price); amounts are heuristic. `wallet` is the transaction sender: through a router, aggregator or smart wallet that can be a bot or a relayer, not the end holder. One routed trade can appear as several swaps. Size-based only: no wallet is labelled or ranked. Not investment advice.",
"pools": [
{
"address": "0x6cDcb1C4A4D1C3C6d054b27AC5B77e89eAFb971d",
"dex": "aerodrome",
"liquidity_usd": 44545183.18,
"quote_asset": "USDC",
"stable": false
},
{
"address": "0x7f670f78B17dEC44d5Ef68a48740b6f8849cc2e6",
"dex": "aerodrome",
"liquidity_usd": 3858604.97,
"quote_asset": "WETH",
"stable": false
},
{
"address": "0x3d5D143381916280ff91407FeBEB52f2b60f33Cf",
"dex": "uniswap_v3",
"fee_tier": 3000,
"liquidity_usd": 2661411.55,
"quote_asset": "WETH"
}
],
"reason": null,
"returned": 6,
"swaps_scanned": 671,
"token": "0x940181a94A35A4569E4529A3CDfB74e38FD98631",
"trade_count": 6,
"trades": [
{
"block": 52460197,
"dex": "aerodrome",
"pool": "0x6cDcb1C4A4D1C3C6d054b27AC5B77e89eAFb971d",
"side": "buy",
"time": "2026-10-11T09:09:01Z",
"timestamp": 1791709741,
"token_amount": "9274.165371123016801974",
"token_amount_raw": "9274165371123016801974",
"tx": "0x0d08f5aedf984615b360f373108eabea43acb3e4f97de806850e5bcdbcb2894a",
"usd": 9180.2,
"wallet": "0x70a99c4127620129D0CA30827E0FC9B75eC2891b"
},
{
"block": 52460019,
"dex": "aerodrome",
"pool": "0x6cDcb1C4A4D1C3C6d054b27AC5B77e89eAFb971d",
"side": "buy",
"time": "2026-10-11T09:03:05Z",
"timestamp": 1791709385,
"token_amount": "12010.72977496842960896",
"token_amount_raw": "12010729774968429608960",
"tx": "0xa65de3f36a97445714345b89aff0cb6628947d5081c6bbc529c31699bf24ed2a",
"usd": 11852.25,
"wallet": "0x27006aAf498A8140dBB539C352c4669cA6A8A988"
},
{
"block": 52460011,
"dex": "aerodrome",
"pool": "0x6cDcb1C4A4D1C3C6d054b27AC5B77e89eAFb971d",
"side": "buy",
"time": "2026-10-11T09:02:49Z",
"timestamp": 1791709369,
"token_amount": "12025.228250845863215104",
"token_amount_raw": "12025228250845863215104",
"tx": "0xf101adf9fd237b41693481f81ac5181c3c0c7675164e46666e150ec8140ef6f8",
"usd": 11827.83,
"wallet": "0x4ab6E6ce2c95CF2A1468295Bf83d140dF4022508"
},
{
"block": 52459932,
"dex": "aerodrome",
"pool": "0x6cDcb1C4A4D1C3C6d054b27AC5B77e89eAFb971d",
"side": "buy",
"time": "2026-10-11T09:00:11Z",
"timestamp": 1791709211,
"token_amount": "10535.523604248589272361",
"token_amount_raw": "10535523604248589272361",
"tx": "0x82025cd2304bb17737793ae8cf128da3f4a3bafed21da7ff32870b2901ecfe55",
"usd": 10331.79,
"wallet": "0x01FE14a271B1127d21DDAD40e03c23a1A4023ebE"
},
{
"block": 52459873,
"dex": "aerodrome",
"pool": "0x6cDcb1C4A4D1C3C6d054b27AC5B77e89eAFb971d",
"side": "buy",
"time": "2026-10-11T08:58:13Z",
"timestamp": 1791709093,
"token_amount": "11152.859819397294850048",
"token_amount_raw": "11152859819397294850048",
"tx": "0xd88c47b6f0d33a19890fd172a0b0c89210b59918f405249de73c636c0f6c1b42",
"usd": 10919.5,
"wallet": "0x3FF44cb290f72440E44B345A0D2DC89CDbc9C38f"
},
{
"block": 52459601,
"dex": "aerodrome",
"pool": "0x6cDcb1C4A4D1C3C6d054b27AC5B77e89eAFb971d",
"side": "buy",
"time": "2026-10-11T08:49:09Z",
"timestamp": 1791708549,
"token_amount": "9772.506180419561249309",
"token_amount_raw": "9772506180419561249309",
"tx": "0x3f9f53aecc0a9e9e144e55087ff7abc7a597df7374e8ee5171c50b5922d4a1da",
"usd": 9492,
"wallet": "0xbF2913b6CEC8E955C0d42aFd35441547B0a9bbb1"
}
],
"truncated": false,
"wallets_unavailable": 0,
"window": {
"blocks": 1800,
"from_block": 52459330,
"from_time": "2026-10-11T08:40:07Z",
"minutes": 60,
"to_block": 52461129,
"to_time": "2026-10-11T09:40:05Z"
}
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/chain/token-trades' \
-H 'content-type: application/json' \
--data-raw '{"chain":"base","min_usd":9000,"token":"0x940181a94A35A4569E4529A3CDfB74e38FD98631"}'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/chain/token-trades' \
-H 'content-type: application/json' \
--data-raw '{"chain":"base","min_usd":9000,"token":"0x940181a94A35A4569E4529A3CDfB74e38FD98631"}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fchain%2Ftoken-trades&method=POST
const res = await pay("https://tanod.dev/v1/chain/token-trades", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"chain": "base",
"min_usd": 9000,
"token": "0x940181a94A35A4569E4529A3CDfB74e38FD98631"
}),
});
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://tanod.dev/v1/chain/token-trades",
json={
"chain": "base",
"min_usd": 9000,
"token": "0x940181a94A35A4569E4529A3CDfB74e38FD98631",
},
)
print(res.status_code, res.text)Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 1 h ago | Passed | 402 | 417 ms | $0.01 |
| 5 h ago | Passed | 402 | 1.0 s | $0.01 |
| 9 h ago | Passed | 402 | 262 ms | $0.01 |
| 13 h ago | Passed | 402 | 363 ms | $0.01 |
| 17 h ago | Passed | 402 | 1.0 s | $0.01 |
| 21 h ago | Passed | 402 | 1.3 s | $0.01 |
| 25 h ago | Passed | 402 | 1.0 s | $0.01 |
| 29 h ago | Passed | 402 | 437 ms | $0.01 |
| 32 h ago | Passed | 402 | 1.2 s | $0.01 |
| 35 h ago | Passed | 402 | 1.0 s | $0.01 |
| 39 h ago | Passed | 402 | 338 ms | $0.01 |
| 42 h ago | Passed | 402 | 1.2 s | $0.01 |
| 46 h ago | Passed | 402 | 1.0 s | $0.01 |
| 2 days ago | Passed | 402 | 423 ms | $0.01 |
| 2 days ago | Passed | 402 | 1.0 s | $0.01 |