{"uid":"cap_vg4Ng-eSkv804BqOsUTjA","slug":"signgate-crypto-transfer-compliance-bundle-preflight-74d975cf","name":"SignGate Crypto Transfer Compliance Bundle Preflight","description":"Machine-payable service intelligence for discovering, verifying, and monitoring identity, risk, authorization, execution-preflight, and evidence APIs before autonomous agents spend.","url":"https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/sumsub/crypto-transfer-compliance-bundle","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["transaction_id","wallet"],"properties":{"asset":{"type":"string","pattern":"^[A-Za-z0-9._:-]{2,32}$"},"chain":{"type":"string","pattern":"^[A-Za-z0-9._:-]{2,64}$"},"wallet":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"},"transaction_id":{"type":"string","pattern":"^[A-Za-z0-9._:-]{1,128}$"},"transfer_reference":{"type":"string","pattern":"^[A-Za-z0-9._:-]{1,128}$"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"network":{"type":"string"},"product":{"type":"string"},"activity":{"type":"object"},"identity":{"type":"object"},"assessment":{"type":"object"},"provenance":{"type":"object"}}}}}}},"responseSchema":{"type":"json","example":{"network":"eip155:8453","product":"sumsub-crypto-transfer-compliance-bundle","assessment":{"flags":[],"risk_level":"low","risk_score":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_M88Sf-2IWKM5WrWYXeoad","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs a Sumsub-powered compliance and risk assessment on a crypto transfer transaction and wallet before an AI agent proceeds with an x402 payment.","exampleAgentPrompt":"Before my agent buys the Sumsub crypto-transfer-compliance-bundle on x402, run a preflight compliance check on wallet 0xAbC1234567890abcdef1234567890abcdef123456 for transaction ID txn-abc-987 on the eip155:8453 network to confirm the risk level is low.","exampleUseCases":[{"title":"Pre-purchase risk screen for agent fleet","prompt":"Before any of my agents spend USDC on x402 APIs today, run a compliance preflight on wallet 0xDEAD1234567890abcdef1234567890abcdef5678 for transaction ID txn-fleet-001 on the Base network and tell me the risk score and any flags."},{"title":"AML check before sensitive dataset purchase","prompt":"My agent wants to buy a sensitive data product via x402 — can you first screen wallet 0xBEEF0000000000000000000000000000deadbeef and transaction txn-data-42 on eip155:8453 to make sure there are no compliance flags?"},{"title":"Automated governance gate for recurring payments","prompt":"Set up a check so every time my agent is about to make an x402 purchase, it first validates wallet 0xFACE0000000000000000000000000000cafebabe with transaction ID txn-recur-007 and asset USDC on the Base chain — block the payment if the risk level comes back as anything above low."}],"resultDescription":"A JSON object containing the blockchain network, product identifier, and an assessment block with risk_score (numeric), risk_level (e.g. 'low'), and any compliance flags raised against the wallet and transaction. May also include identity, activity, and provenance sub-objects for deeper review.","failureModes":["Missing required query params (transaction_id or wallet) returns a 400 validation error","Malformed wallet address (not matching 0x + 40 hex chars) rejected by schema validation","Unknown or unsupported chain/asset string causes a processing error","Sumsub upstream timeout or outage results in a 503 or delayed response","Transaction ID not found in the compliance provider's records returns an empty or inconclusive assessment","Payment of 0.2 USDC not fulfilled triggers x402 payment-required response before any compliance data is returned"],"whenToPreferThis":"Use this endpoint when an AI agent is about to execute an x402 payment and you need a lightweight, per-transaction risk and compliance preflight powered by Sumsub. It is specifically designed for the x402 protocol context where buyer identity, wallet provenance, and transfer sensitivity must be validated before a payment is made. Prefer this over generic AML tools when operating on Base (eip155:8453) with x402-gated APIs, datasets, or tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:56:48.703Z","isFirstParty":false}