{ "x402Version": 2, "id": 57633, "slug": "57633", "resource": "https://tanod.dev/v1/chain/address-poisoning", "description": "chainpeek (Tanod) address-poisoning check before a token transfer: is the recipient a lookalike (same first and last 4 hex characters) of an address in the sender's history or contacts? Use when an agent is about to send USDC or a token and must check the recipient is not an address-poisoning lookalike.", "type": "http", "serviceName": "Tanod chainpeek", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png", "resourceType": "Beauty & Personal Care", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:56", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d", "amount": "2000000000000000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42161", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:8453", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 604900 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 604900 } ], "outputSchema": { "properties": { "example": { "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/chain/address-poisoning", "properties": { "chain": { "type": "string" }, "contacts_checked": { "type": "integer" }, "decimals": { "type": [ "integer", "null" ] }, "dust_threshold": { "type": [ "string", "null" ] }, "dust_threshold_raw": { "type": [ "string", "null" ] }, "from": { "type": "string" }, "history": { "type": "object" }, "limits": { "type": "array" }, "matches": { "type": "array" }, "matches_total": { "type": "integer" }, "reasons": { "type": "array" }, "risk": { "type": "string" }, "rpc_calls": { "type": "integer" }, "rules": { "type": "object" }, "to": { "type": "string" }, "to_history": { "type": "object" }, "token": { "type": "string" }, "token_symbol": { "type": [ "string", "null" ] } }, "required": [ "chain", "from", "to", "token", "risk", "reasons", "to_history", "matches", "history", "rules", "limits" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "body": { "chain": "base", "from": "0x5A0b54D5dc17e0AadC383d2db43B0a0D3E029c4c", "to": "0x7A25e8814F0C6D3B2a9e7f15C08D64B2A91EC4d3" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "chain": "base", "contacts_checked": 0, "decimals": 6, "dust_threshold": "0.01", "dust_threshold_raw": "10000", "from": "0x5A0b54D5dc17e0AadC383d2db43B0…", "history": { "blocks": 2000, "from_block": 52510001, "read": true, "to_block": 52512000 }, "limits": [ "Only the transfers of this one…" ], "matches": [], "matches_total": 1, "reasons": [], "risk": "high", "rpc_calls": 3, "rules": { "paid": "`from` sent the address a non-z…", "prefix_chars": 4, "suffix_chars": 4, "zero_value": "a transfer of 0, either directi…" }, "to": "0x7A25e8814F0C6D3B2a9e7f15C08D6…", "to_history": { "paid": false, "payments": 0, "received": 0, "seen": true }, "token": "0x833589fCD6eDb6E08f4c7C32D4f71…", "token_symbol": "USDC" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "chain": { "description": "ethereum, base or robinhood (Robinhood Chain, chain id 4663).", "enum": [ "ethereum", "base", "robinhood" ], "type": "string" }, "contacts": { "anyOf": [ { "items": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "maxItems": 100, "type": "array" }, { "type": "null" } ], "default": null, "description": "Up to 100 addresses you trust (your address book); `to` is compared with them too, without any chain read." }, "dust_threshold": { "anyOf": [ { "maximum": 1000000000000, "minimum": 0, "type": "number" }, { "type": "null" } ], "default": null, "description": "Incoming transfers below this many token units count as dust. Default 0.01 for USDC and USDT; off for other tokens unless set; 0 turns it off." }, "from": { "description": "The sending wallet whose transfer history is read (0x + 40 hex).", "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "lookback_blocks": { "default": 2000, "description": "How many of the latest blocks of history to read (0-2,000; default 2,000, about 67 minutes on Base and 6.7 hours on Ethereum). 0 reads nothing and checks `contacts` only.", "maximum": 2000, "minimum": 0, "type": "integer" }, "to": { "description": "The recipient about to be paid (0x + 40 hex). Must differ from `from`.", "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "token": { "default": "USDC", "description": "USDC (default), USDT, or a token contract address. Only this token's transfers are read. On robinhood pass a contract address.", "pattern": "^(USDC|USDT|0x[0-9a-fA-F]{40})$", "type": "string" } }, "required": [ "chain", "from", "to" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/chain/address-poisoning", "properties": { "chain": { "type": "string" }, "contacts_checked": { "type": "integer" }, "decimals": { "type": [ "integer", "null" ] }, "dust_threshold": { "type": [ "string", "null" ] }, "dust_threshold_raw": { "type": [ "string", "null" ] }, "from": { "type": "string" }, "history": { "type": "object" }, "limits": { "type": "array" }, "matches": { "type": "array" }, "matches_total": { "type": "integer" }, "reasons": { "type": "array" }, "risk": { "type": "string" }, "rpc_calls": { "type": "integer" }, "rules": { "type": "object" }, "to": { "type": "string" }, "to_history": { "type": "object" }, "token": { "type": "string" }, "token_symbol": { "type": [ "string", "null" ] } }, "required": [ "chain", "from", "to", "token", "risk", "reasons", "to_history", "matches", "history", "rules", "limits" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_h7pxv14u" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "erc20ApprovalGasSponsoring": { "info": { "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "amount": { "description": "Approval amount (uint256).", "pattern": "^[0-9]+$", "type": "string" }, "asset": { "description": "The ERC-20 token contract address to approve.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "from": { "description": "The address of the sender.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "signedTransaction": { "description": "RLP-encoded signed transaction calling ERC20.approve().", "pattern": "^0x[a-fA-F0-9]+$", "type": "string" }, "spender": { "description": "The address of the spender (Canonical Permit2).", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "version": { "description": "Schema version identifier.", "pattern": "^[0-9]+(\\.[0-9]+)*$", "type": "string" } }, "required": [ "from", "asset", "spender", "amount", "signedTransaction", "version" ], "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } }, "tags": [ "chainpeek", "chain", "address", "poisoning", "ens", "bazaar", "builder-code", "erc20ApprovalGasSponsoring", "payment-identifier" ], "sourceHost": "tanod.dev", "lastUpdated": "2026-10-13T20:35:40.904Z", "quality": { "calls30d": 1, "uniquePayers30d": 1, "lastCalledAt": "2026-10-13T20:35:40.265Z" }, "metadata": { "serviceName": "Tanod chainpeek", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png", "extensions": { "bazaar": { "info": { "input": { "body": { "chain": "base", "from": "0x5A0b54D5dc17e0AadC383d2db43B0a0D3E029c4c", "to": "0x7A25e8814F0C6D3B2a9e7f15C08D64B2A91EC4d3" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "chain": "base", "contacts_checked": 0, "decimals": 6, "dust_threshold": "0.01", "dust_threshold_raw": "10000", "from": "0x5A0b54D5dc17e0AadC383d2db43B0…", "history": { "blocks": 2000, "from_block": 52510001, "read": true, "to_block": 52512000 }, "limits": [ "Only the transfers of this one…" ], "matches": [], "matches_total": 1, "reasons": [], "risk": "high", "rpc_calls": 3, "rules": { "paid": "`from` sent the address a non-z…", "prefix_chars": 4, "suffix_chars": 4, "zero_value": "a transfer of 0, either directi…" }, "to": "0x7A25e8814F0C6D3B2a9e7f15C08D6…", "to_history": { "paid": false, "payments": 0, "received": 0, "seen": true }, "token": "0x833589fCD6eDb6E08f4c7C32D4f71…", "token_symbol": "USDC" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "chain": { "description": "ethereum, base or robinhood (Robinhood Chain, chain id 4663).", "enum": [ "ethereum", "base", "robinhood" ], "type": "string" }, "contacts": { "anyOf": [ { "items": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "maxItems": 100, "type": "array" }, { "type": "null" } ], "default": null, "description": "Up to 100 addresses you trust (your address book); `to` is compared with them too, without any chain read." }, "dust_threshold": { "anyOf": [ { "maximum": 1000000000000, "minimum": 0, "type": "number" }, { "type": "null" } ], "default": null, "description": "Incoming transfers below this many token units count as dust. Default 0.01 for USDC and USDT; off for other tokens unless set; 0 turns it off." }, "from": { "description": "The sending wallet whose transfer history is read (0x + 40 hex).", "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "lookback_blocks": { "default": 2000, "description": "How many of the latest blocks of history to read (0-2,000; default 2,000, about 67 minutes on Base and 6.7 hours on Ethereum). 0 reads nothing and checks `contacts` only.", "maximum": 2000, "minimum": 0, "type": "integer" }, "to": { "description": "The recipient about to be paid (0x + 40 hex). Must differ from `from`.", "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "token": { "default": "USDC", "description": "USDC (default), USDT, or a token contract address. Only this token's transfers are read. On robinhood pass a contract address.", "pattern": "^(USDC|USDT|0x[0-9a-fA-F]{40})$", "type": "string" } }, "required": [ "chain", "from", "to" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/chain/address-poisoning", "properties": { "chain": { "type": "string" }, "contacts_checked": { "type": "integer" }, "decimals": { "type": [ "integer", "null" ] }, "dust_threshold": { "type": [ "string", "null" ] }, "dust_threshold_raw": { "type": [ "string", "null" ] }, "from": { "type": "string" }, "history": { "type": "object" }, "limits": { "type": "array" }, "matches": { "type": "array" }, "matches_total": { "type": "integer" }, "reasons": { "type": "array" }, "risk": { "type": "string" }, "rpc_calls": { "type": "integer" }, "rules": { "type": "object" }, "to": { "type": "string" }, "to_history": { "type": "object" }, "token": { "type": "string" }, "token_symbol": { "type": [ "string", "null" ] } }, "required": [ "chain", "from", "to", "token", "risk", "reasons", "to_history", "matches", "history", "rules", "limits" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_h7pxv14u" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "erc20ApprovalGasSponsoring": { "info": { "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "amount": { "description": "Approval amount (uint256).", "pattern": "^[0-9]+$", "type": "string" }, "asset": { "description": "The ERC-20 token contract address to approve.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "from": { "description": "The address of the sender.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "signedTransaction": { "description": "RLP-encoded signed transaction calling ERC20.approve().", "pattern": "^0x[a-fA-F0-9]+$", "type": "string" }, "spender": { "description": "The address of the spender (Canonical Permit2).", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "version": { "description": "Schema version identifier.", "pattern": "^[0-9]+(\\.[0-9]+)*$", "type": "string" } }, "required": [ "from", "asset", "spender", "amount", "signedTransaction", "version" ], "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "tanod.dev", "manifest_name": "tanod.dev", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "chain": "string", "contacts_checked": 0, "decimals": 0, "dust_threshold": "string", "dust_threshold_raw": "string", "from": "string", "history": {}, "limits": [ "value" ], "matches": [ "value" ], "matches_total": 0, "reasons": [ "value" ], "risk": "string", "rpc_calls": 0, "rules": {}, "to": "string", "to_history": {}, "token": "string", "token_symbol": "string" }, "type": "string" } }