{"uid":"cap_QUqeC2WRwRjkx7dxzbwYe","slug":"strale-web3-pre-transaction-gate-47a26681","name":"Strale Web3 Pre-Transaction Gate","description":"Should your agent execute this transaction? Single-call go/no-go middleware for DeFi agents. Checks wallet risk, token safety, approval security, current gas costs, and sanctions status. Returns a risk verdict.","url":"https://api.strale.io/x402/solutions/web3-pre-tx-gate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain_id":{"type":"string","description":"Chain ID, default 1"},"entity_name":{"type":"string","description":"Entity name for sanctions check"},"wallet_address":{"type":"string","description":"Counterparty or target wallet address"},"contract_address":{"type":"string","description":"Token contract if relevant"}}},"responseSchema":null,"example":{"request":{"chain_id":"1","entity_name":"Test Trading Entity","wallet_address":"0x742d35Cc6634C0532925a3b844Bc9e7595f42bE5","contract_address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"},"response":{"_meta":{"payment":{"method":"x402","price_usd":0.162,"settlement_id":"0xa2b311001966de07b3e7ac8cf91ac0a67d72029a27cbca877866e237f9f39a91"},"solution":"web3-pre-tx-gate","latency_ms":1802,"step_count":5},"steps":{"gas-price-check":{"chain_id":"1","base_fee_gwei":0.124234782,"fast_gas_gwei":0.125630529,"safe_gas_gwei":0.124234782,"gas_used_ratio":"0.4000976,0.58948955,0.502878816666667,0.487619726917326,0.349896982402133","proposed_gas_gwei":0.124537003},"sanctions-check":{"query":"Test Trading Entity","schema":"Person","source":"dilisense","matches":[],"queried_at":"2026-06-12T04:35:43.520Z","match_count":0,"is_sanctioned":false,"lists_queried":{"version":null,"collection":"dilisense/consolidated-sanctions","major_lists":["UN Security Council — Consolidated List","UN Security Council — ISIL (Da'esh) & Al-Qaida Sanctions List","UN Security Council — 1718 Designated Vessels List","European Commission — Consolidated List of Financial Sanctions","European Commission — Consolidated List of Travel Bans","European Council — Decisions (CFSP)","European Council — Regulations","World Bank — Debarred Firms and Individuals","African Development Bank — Debarred Entities","Asian Development Bank — Sanction List","Inter-American Development Bank — Sanctioned Firms and Individuals","EBRD — Sanctions","OFAC — Specially Designated Nationals (SDN)","OFAC — Non-SDN Sanction List","BIS — Entity List","BIS — Denied Persons List","BIS — Military End User (MEU) List","DOS — Foreign Terrorist Organizations","DOS — Nonproliferation Sanctions","DDTC — AECA Debarred List","DOD — Section 1260H Chinese Military Companies","DHS — UFLPA Entity List","HMT OFSI — Financial Sanctions","HMT OFSI — Ukraine Restrictive Measures","UK Government — Sanctions List","Home Office — Proscribed Terrorist Groups","SECO — Switzerland Sanctions","Norwegian MFA — Sanctions and Restrictive Measures","Bundesministerium des Innern — Verbotene Organisationen (DE)","France Trésor — Registre des Gels","Belgium FPS Finance — Consolidated List","Estonian Government — Sanctions","Latvia FIS — Sankciju subjekti","Czech MFA — National Sanctions List","Australia DFAT — Consolidated List","Japan MOF — Asset Freeze List","Singapore MAS — Targeted Financial Sanctions"],"source_count":134,"freshness_note":"Dilisense aggregates 130+ sanctions, debarment, and restrictive-measure lists into a consolidated index. The publisher refreshes the consolidated index multiple times daily; per-list timestamps are not exposed via the screening API.","last_updated_at":null,"source_catalog_url":"https://dilisense.com/en/sources/sanction-sources"},"total_results":0,"country_filter":null,"birth_date_filter":null},"wallet-risk-score":{"address":"0x742d35Cc6634C0532925a3b844Bc9e7595f42bE5","details":{"fake_kyc":false,"cybercrime":false,"blacklist_doubt":false,"financial_crime":false,"stealing_attack":false,"money_laundering":false,"phishing_activities":false,"blackmail_activities":false,"darkweb_transactions":false,"honeypot_related_address":false,"malicious_mining_activities":false},"chain_id":"1","risk_level":"low","risk_labels":[],"is_malicious":false},"token-security-check":{"buy_tax":"0","chain_id":"1","is_proxy":true,"sell_tax":"0","is_in_dex":true,"risk_level":"low","token_name":"USD Coin","is_honeypot":false,"is_mintable":false,"hidden_owner":false,"holder_count":7464431,"token_symbol":"USDC","total_supply":"51510449201.324665","is_anti_whale":false,"owner_address":null,"is_blacklisted":false,"is_open_source":true,"creator_address":"0x95ba4cf87d6723ad9c0db21737d862be80e93911","contract_address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","can_take_back_ownership":false},"approval-security-check":{"address":"0x742d35Cc6634C0532925a3b844Bc9e7595f42bE5","chain_id":"1","approvals":[],"risk_level":"none","risky_approvals":0,"total_approvals":0}},"solution":"web3-pre-tx-gate"}},"exampleRequest":{"chain_id":"1","entity_name":"Test Trading Entity","wallet_address":"0x742d35Cc6634C0532925a3b844Bc9e7595f42bE5","contract_address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"},"tags":["x402"],"displayCostAmount":"0.162","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.162/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.162","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.162","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_277jA8DVbn2emPdnH7INS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.162","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs compliance screening and sanctions checks on a wallet address before a Web3 transaction, returning structured validation results with audit trail.","exampleAgentPrompt":"Before I send tokens to wallet 0xAbC123...def on Ethereum mainnet (chain ID 1), run a pre-transaction compliance and sanctions check on it — the entity is called 'Acme Trading Ltd'.","exampleUseCases":null,"resultDescription":"Returns a structured JSON object with compliance status, sanctions screening result, audit trail entries, and any flagged risk indicators for the given wallet address and optional entity name or contract.","failureModes":["Invalid or malformed wallet address returns validation error","Unsupported chain ID returns error indicating chain not supported","Sanctions data provider unavailable causes timeout or 503","Missing required wallet_address field returns 400 bad request","Ambiguous entity name may produce inconclusive screening result"],"whenToPreferThis":"Use this endpoint when an AI agent needs to perform a compliance or sanctions check on a counterparty wallet address before executing a Web3 transaction, especially when an audit trail is required. Prefer this over generic blockchain explorers when regulatory compliance, AML screening, or pre-transaction gating is the primary concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:11:58.993Z","isFirstParty":false}