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Beggar Bot Address Poisoning Detector
x402
Beggar Bot Address Poisoning Detector is a paid API for AI agents from beggar-bot-demand.beggarbot.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-11-02).
Detects address poisoning attacks by comparing a list of addresses against a known address book and intended recipient on Base mainnet
Price / call$0.02
Success—
StatusUnknown
How this service works
Paid: /v1/verify, /v1/risk, /v1/receipt cost $0.01 USDC per call on Base mainnet via x402 (payTo 0x719227f384b66BFEF00093D6d8d32fA9dC2B40e7); utilities analyze Base mainnet (USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) by default, network=base-sepolia optional; /v1/receipt/verify and discovery files are free. Operator: Beggar Bot.
Output
A JSON response indicating whether any of the checked addresses appear to be poisoning attempts — comparing them against the known address book and intended recipient to flag suspicious look-alike or substituted addresses, likely including a risk verdict, matched/unmatched indicators, and details about suspicious addresses.
Example use cases
Pre-transfer address poisoning check
“I'm about to send USDC to 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — my address book has 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 and 0xAbCd1234... in it. Can you run an address poisoning check to make sure I'm sending to the right person?”
Suspicious clipboard address verification
“I just pasted an address from my clipboard: 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — but I'm worried it might have been swapped by a poisoning attack. My known contacts are 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 and 0x1111222233334444... and my intended recipient is 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Scan it for poisoning.”
Multi-address poisoning sweep before batch payout
“I need to pay out to these three addresses: 0xAAA...001, 0xBBB...002, 0xCCC...003. My address book has my verified vendors at 0xAAA...001 and 0xBBB...002, and the intended recipient for this batch is 0xAAA...001. Run address poisoning detection on all three before I proceed.”
Technical details
Endpoint
POSThttps://beggar-bot-demand.beggarbot.workers.dev/v1/addrpoison?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent or wallet application needs to protect a user from address poisoning attacks on Base mainnet — specifically when you have a known address book to compare against. It is purpose-built for the address-poisoning threat vector (look-alike addresses injected into transaction history) and costs $0.02 USDC per call via x402, making it appropriate for pre-transfer security checks where catching a poisoned address is worth the small fee.
Side effects
- Missing required fields (known, intended, or addresses) returns a 4xx validation error
- Payment failure via x402 if USDC balance is insufficient or payment not completed
- Malformed Ethereum addresses in input may cause parsing errors
- Network error on Cloudflare Worker returns 5xx
- Empty addresses array returns trivial or error response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| known | array | your address book |
| intended | string | intended recipient |
| addresses | array | addresses to check |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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