Tool detail

SolSentry

Checks a destination address against a list of prior contacts and flags visual or prefix/suffix address-poisoning lookalikes.

Categories: Security

Use when

screen a payout address for address-poisoning before sending funds
check if a new destination address looks like a spoofed version of a known contact

Not for

not an on-chain balance, validity or history check — text-similarity comparison only
stateless per call — doesn't remember contacts between requests

Inputs

GET query params: destination (string 32-44 chars, required), contacts (comma-separated addresses, required)

Admitted input schema

{
  "type": "object",
  "properties": {
    "contacts": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Comma-separated prior contact addresses"
    },
    "destination": {
      "type": "string",
      "minLength": 32,
      "maxLength": 44,
      "description": "Address about to receive funds"
    }
  },
  "required": [
    "destination",
    "contacts"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.solsentry.app/x402/v1/lookalike-check

Payment

Protocol: x402
Listed price: 0.004 USDC per request on Solana
Payment method: exact
Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Asset: EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.solsentry.app/x402/v1/lookalike-check
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z