Token · Ethereum mainnet

WETH alerts: wraps, unwraps and large transfers

Every WETH transfer and approval is an event on the token's contract. Pick what to watch: everything, a ready-made rule, or one event or method. Each link opens the add form filled in; sign in, click Create, and the alerts reach your chat within seconds of confirmation.

Free on the Beta plan · within seconds of confirmation

About

About WETH

  • WETH wraps ether one to one: depositing ETH mints WETH and logs a Deposit event, and withdrawing burns WETH, returns the ETH and logs a Withdrawal event.

    Source: WETH9.sol (gnosis/canonical-weth) · checked 2026-10-21

What you can watch

The contract

From our contract directory, with its ready-made rules, events and methods. Ethereum mainnet only.

Wrapped Ether (WETH)
ERC-20
0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
5 ready-made rules · 4 events · 5 methods

Busy contract: every matching transaction counts as an event on your plan. The form shows a rough estimate before you create the rule.

Ready-made rules

Set it up in one click

Each one opens the add form on this contract with the events and conditions filled in. Sign in, pick your chat and click Create.

Pick one event

One event, nothing else

The form opens on this contract with that one event picked. Add a condition on its arguments if you like.

Pick one method

Calls to one method

An alert each time someone calls this method on the contract, with its arguments.

How it works

How the alert works

  1. 01

    Open a ready-made rule, an event or a method: the contract is filled in.

  2. 02

    Sign in, pick the chat the alerts go to and click Create.

  3. 03

    Within seconds of confirmation, each matching event reaches you, with a link to the transaction.

FAQ

Frequently asked questions

What is WETH?

WETH wraps ether one to one: depositing ETH mints WETH and logs a Deposit event, and withdrawing burns WETH, returns the ETH and logs a Withdrawal event.

What can I get alerts for on WETH?

On Ethereum mainnet: the ready-made rules (Whale transfers, Token transfers, Token approvals), everything on the contract, any one of its 4 catalog events, any one of its 5 methods. Each link on this page opens the add form filled in.

Can I get an alert for one event only?

Yes. Under "Pick one event" or "Pick one method", open the link: the form opens on this contract with that one event or method picked. Add a condition on its arguments if you like, then click Create.

Why does the form show a volume estimate for WETH?

It is a busy contract: every matching transaction counts as an event on your plan. The form shows a rough estimate before you create the rule; add a condition, such as a minimum amount or one address, to get fewer alerts.

Can I set this up for free?

Yes. The free Beta plan covers one contract and needs no card, so any one of these rules fits in it.

Is Alerts on Chain affiliated with WETH?

No. Alerts on Chain is not affiliated with WETH or its team. The rules read public on-chain data from the contract listed on this page.

Does it cover other chains?

Ethereum mainnet only. The rules watch the contract listed on this page.

Is this investment advice?

No. The alerts state on-chain facts only: what happened, never why or what to do about it.

Keep exploring

Related pages

Your own alerts, on any contract

The Beta plan is free: one wallet and one contract, no credit card.