{ "x402Version": 2, "id": 35264, "slug": "35264", "resource": "https://x402check.xyz/v1/risk-check", "description": "Check a counterparty before paying: OFAC SDN, phishing and drainer feeds, a live watch of drainer infrastructure, transaction simulation and injected-instruction analysis. Returns a score and a signed ES256 attestation.", "type": "http", "serviceName": "x402check", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790778816/bazaar-icons/27a66e3ae7b477b5.png", "resourceType": "Security", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0xbF88b1F49B5e8Ec386289341c4a5ee00bB0E0178", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "3500", "amountUsd": 0.0035, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0xbF88b1F49B5e8Ec386289341c4a5ee00bB0E0178", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "7000", "amountUsd": 0.007, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42161", "payTo": "0xbF88b1F49B5e8Ec386289341c4a5ee00bB0E0178", "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", "amount": "9000", "amountUsd": 0.009, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:43114", "payTo": "0xbF88b1F49B5e8Ec386289341c4a5ee00bB0E0178", "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E", "amount": "1000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:143", "payTo": "0xbF88b1F49B5e8Ec386289341c4a5ee00bB0E0178", "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603", "amount": "1000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:1329", "payTo": "0xbF88b1F49B5e8Ec386289341c4a5ee00bB0E0178", "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392", "amount": "2000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "Bofhoe2ye2adNQwZJtLepeKrBZq8CtHzRwPJXgWDH69X", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 } ], "outputSchema": { "properties": { "example": { "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "body": { "chain": "base", "context": "Permit2 signature: unlimited USDC allowance to this spender", "domain": "https://app.example-dapp.org", "interaction": { "type": "permit_signature", "unlimited": true }, "wallet": "0x7a3e8f0c2b1d4e5f6a7b8c9d0e1f2a3b4c5d6e7f" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "categories": [ "approval_to_eoa", "unlimited_approval", "new_address" ], "checked": true, "checked_at": "2026-09-30T12:00:00.000Z", "evidence": { "onchain": { "activity": "none", "is_contract": false }, "sanctions": { "list": "ofac-sdn", "status": "not_listed" } }, "expires_at": "2026-09-30T13:00:00.000Z", "jws": "eyJhbGciOiJFUzI1NiIsImtpZCI6Impldi1hdHRlc3QtdjEiLCJ0eXAiOiJyaXNrLWNoZWNrK2p3dCJ9…", "provider": "did:web:x402check.xyz", "score": 40, "tier": "high" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "aud": { "description": "Audience to bind the attestation to", "maxLength": 256, "type": "string" }, "authorization": { "additionalProperties": false, "description": "The caller's pre-authorization: recorded as asserted, it can only raise risk", "properties": { "pre_authorized": { "type": "boolean" }, "source": { "maxLength": 128, "type": "string" } }, "required": [ "pre_authorized" ], "type": "object" }, "chain": { "description": "A known CAIP-2 id or alias, e.g. base, ethereum, solana; it must be able to hold the wallet (an EVM address on an eip155 chain)", "maxLength": 64, "type": "string" }, "context": { "description": "The content the agent acted on, verbatim: checked for injected instructions", "maxLength": 4096, "type": "string" }, "domain": { "description": "The site or dApp involved", "maxLength": 2048, "type": "string" }, "interaction": { "additionalProperties": false, "description": "What the agent is about to do (type), and whether an approval is unlimited", "properties": { "type": { "enum": [ "native_transfer", "token_transfer", "token_approval", "nft_approval", "permit_signature", "order_signature", "message_signature", "contract_call" ], "type": "string" }, "unlimited": { "type": "boolean" } }, "required": [ "type" ], "type": "object" }, "payment": { "additionalProperties": false, "description": "The payment this check is for; the attestation is bound to it", "properties": { "amount": { "pattern": "^\\d{1,78}$", "type": "string" }, "asset": { "type": "string" }, "network": { "type": "string" }, "pay_to": { "type": "string" }, "resource": { "maxLength": 512, "pattern": "^https?://\\S+$", "type": "string" } }, "type": "object" }, "screening": { "additionalProperties": false, "description": "The caller's own sanctions screening: recorded as asserted, it can only raise risk", "properties": { "sanctions": { "enum": [ "clean", "flagged", "unknown" ], "type": "string" } }, "required": [ "sanctions" ], "type": "object" }, "transaction": { "additionalProperties": false, "description": "An EVM transaction to simulate before it is signed ($0.005 per simulated item)", "properties": { "data": { "pattern": "^0x([0-9a-fA-F]{2})*$", "type": "string" }, "from": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "to": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "value": { "pattern": "^(0x[0-9a-fA-F]{1,64}|\\d{1,78})$", "type": "string" } }, "required": [ "from" ], "type": "object" }, "wallet": { "description": "The counterparty to check: recipient, spender, operator or pay_to (EVM, Solana, Bitcoin or Tron address, or a CAIP-10 id whose chain can hold it). A mixed-case EVM address must carry a valid EIP-55 checksum", "maxLength": 160, "minLength": 1, "type": "string" } }, "required": [ "wallet" ], "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": { "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } }, "tags": [ "security", "risk-check", "sanctions", "phishing", "wallets", "bazaar" ], "sourceHost": "x402check.xyz", "lastUpdated": "2026-10-12T08:48:13.886Z", "quality": { "calls30d": 17, "uniquePayers30d": 4, "lastCalledAt": "2026-10-12T08:48:28.257Z" }, "metadata": { "serviceName": "x402check", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790778816/bazaar-icons/27a66e3ae7b477b5.png", "extensions": { "bazaar": { "info": { "input": { "body": { "chain": "base", "context": "Permit2 signature: unlimited USDC allowance to this spender", "domain": "https://app.example-dapp.org", "interaction": { "type": "permit_signature", "unlimited": true }, "wallet": "0x7a3e8f0c2b1d4e5f6a7b8c9d0e1f2a3b4c5d6e7f" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "categories": [ "approval_to_eoa", "unlimited_approval", "new_address" ], "checked": true, "checked_at": "2026-09-30T12:00:00.000Z", "evidence": { "onchain": { "activity": "none", "is_contract": false }, "sanctions": { "list": "ofac-sdn", "status": "not_listed" } }, "expires_at": "2026-09-30T13:00:00.000Z", "jws": "eyJhbGciOiJFUzI1NiIsImtpZCI6Impldi1hdHRlc3QtdjEiLCJ0eXAiOiJyaXNrLWNoZWNrK2p3dCJ9…", "provider": "did:web:x402check.xyz", "score": 40, "tier": "high" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "aud": { "description": "Audience to bind the attestation to", "maxLength": 256, "type": "string" }, "authorization": { "additionalProperties": false, "description": "The caller's pre-authorization: recorded as asserted, it can only raise risk", "properties": { "pre_authorized": { "type": "boolean" }, "source": { "maxLength": 128, "type": "string" } }, "required": [ "pre_authorized" ], "type": "object" }, "chain": { "description": "A known CAIP-2 id or alias, e.g. base, ethereum, solana; it must be able to hold the wallet (an EVM address on an eip155 chain)", "maxLength": 64, "type": "string" }, "context": { "description": "The content the agent acted on, verbatim: checked for injected instructions", "maxLength": 4096, "type": "string" }, "domain": { "description": "The site or dApp involved", "maxLength": 2048, "type": "string" }, "interaction": { "additionalProperties": false, "description": "What the agent is about to do (type), and whether an approval is unlimited", "properties": { "type": { "enum": [ "native_transfer", "token_transfer", "token_approval", "nft_approval", "permit_signature", "order_signature", "message_signature", "contract_call" ], "type": "string" }, "unlimited": { "type": "boolean" } }, "required": [ "type" ], "type": "object" }, "payment": { "additionalProperties": false, "description": "The payment this check is for; the attestation is bound to it", "properties": { "amount": { "pattern": "^\\d{1,78}$", "type": "string" }, "asset": { "type": "string" }, "network": { "type": "string" }, "pay_to": { "type": "string" }, "resource": { "maxLength": 512, "pattern": "^https?://\\S+$", "type": "string" } }, "type": "object" }, "screening": { "additionalProperties": false, "description": "The caller's own sanctions screening: recorded as asserted, it can only raise risk", "properties": { "sanctions": { "enum": [ "clean", "flagged", "unknown" ], "type": "string" } }, "required": [ "sanctions" ], "type": "object" }, "transaction": { "additionalProperties": false, "description": "An EVM transaction to simulate before it is signed ($0.005 per simulated item)", "properties": { "data": { "pattern": "^0x([0-9a-fA-F]{2})*$", "type": "string" }, "from": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "to": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "value": { "pattern": "^(0x[0-9a-fA-F]{1,64}|\\d{1,78})$", "type": "string" } }, "required": [ "from" ], "type": "object" }, "wallet": { "description": "The counterparty to check: recipient, spender, operator or pay_to (EVM, Solana, Bitcoin or Tron address, or a CAIP-10 id whose chain can hold it). A mixed-case EVM address must carry a valid EIP-55 checksum", "maxLength": 160, "minLength": 1, "type": "string" } }, "required": [ "wallet" ], "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": { "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "x402check.xyz", "manifest_name": "x402check.xyz", "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": {}, "type": "string" } }