Circuit breaker for Web3 payments

Subscribe freely.
Drainers get cut off.

Antabuse sits between your wallet and every recurring charge. Approved subscriptions flow through. Unlimited approvals, blind signatures and balance-draining transfers trip the breaker before they reach the chain.

Protect my wallet Read the API

Glass shield with a glowing circuit breaker guarding a crypto wallet

What trips the breaker

Every request is decoded, scored and explained.

Unlimited approval to a plain walletTrips

setApprovalForAll(operator, true)Trips

Unlimited approval to a contractAsks you

Charge above subscription capTrips

Capped charge to approved merchantPasses

Non-custodial

We never hold keys. You prove ownership with a free signature.

5 EVM chains

Ethereum, Base, Arbitrum, Optimism, Polygon

Risk Engine

Tune how early it trips

One sensitivity slider sets the trip and confirm thresholds.

Subscription Guard

Set a cap and a cadence. Anything over it trips.

Telecom-grade

Built by fraud engineers from the telecom world.

A hooded drainer figure deflected by a glowing shield

Drainers, deflected.

Connect a wallet

Link an EVM wallet and verify it with a free signature. Antabuse never holds your keys.

Approve subscriptions

Set a cap, cadence and merchant for each recurring charge. Everything else is off by default.

Let the breaker watch

Every request is scored. Unlimited approvals, risky permits and balance-draining transfers trip the breaker.

B2B2C API

One call to make every checkout drainer-proof.

Wallets, exchanges and merchants send each transaction or signature request to Antabuse before it is signed, and get back a verdict with human-readable reasons.

POST /api/v1/authorize
Authorization: Bearer ak_live_…
{
  "wallet": "0x…", "chainId": 8453,
  "transaction": { "to": "0x…", "data": "0x…" }
}
→ { "verdict": "tripped", "risk": 0.74,
    "reasons": [ … ] }

Glass crypto wallet card with stacked coins and a padlock

Put a breaker on your wallet today.