{"uid":"cap_NYU5tr8QaTKHc1XXj-udr","slug":"signgate-x402-sumsub-db-net-evidence-preflight-06fc7a86","name":"SignGate x402 Sumsub DB-Net Evidence 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/db-net-evidence","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["applicant_id"],"properties":{"applicant_id":{"type":"string","pattern":"^[A-Za-z0-9._:-]{1,128}$","description":"Sumsub applicant id or sandbox fixture reference."},"principal_reference":{"type":"string","pattern":"^[A-Za-z0-9._:-]{1,128}$","description":"Buyer, merchant, or responsible principal reference."}}}},"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-db-net-evidence","assessment":{"flags":[],"risk_level":"low","risk_score":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_48-EuK1tZ2jG7h1JxilA-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs a pre-purchase identity and risk assessment for an AI agent buyer using Sumsub applicant data, returning a risk score and flags before an x402 API transaction proceeds.","exampleAgentPrompt":"Before my agent buys that x402 database evidence API, run a SignGate preflight check on Sumsub applicant ID 'applicant-abc123' to see if the risk level is low and there are no compliance flags blocking the purchase.","exampleUseCases":[{"title":"KYC gate before agent data purchase","prompt":"My agent is about to buy a sensitive x402 dataset. Can you run a preflight check on Sumsub applicant 'user-9f3k2' to confirm the risk score is acceptable before the payment goes through?"},{"title":"Governance screen for agent tool acquisition","prompt":"Check whether agent buyer with Sumsub ID 'sandbox-agent-001' and principal reference 'org-acme-trading' is cleared to purchase this x402 AI tool — I need the risk level and any flags before authorizing."},{"title":"Automated compliance check in agent pipeline","prompt":"As part of our automated procurement pipeline, run a Sumsub DB-net evidence preflight for applicant 'kyc-buyer-77x' on the Base network and return the risk assessment so we can decide whether to proceed with the x402 payment."}],"resultDescription":"A JSON object containing the network identifier (e.g. eip155:8453), the product name ('sumsub-db-net-evidence'), and an assessment object with a risk_level (e.g. 'low'), a numeric risk_score, and an array of compliance flags. An empty flags array with low risk_score indicates the buyer is cleared to proceed.","failureModes":["Invalid or malformed applicant_id format returns a 400 validation error","Unknown applicant_id not found in Sumsub returns a not-found or empty assessment","Network or Cloudflare worker timeout returns a 503 or gateway error","Missing required applicant_id query parameter results in schema validation failure","High risk score or populated flags array indicates buyer is not cleared — not a network error but a business-logic block"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to validate a buyer's identity and risk profile against Sumsub KYC data specifically within the x402 purchase governance flow on Base network. Prefer this over generic identity checks when you need a structured risk_score + flags output tied to the sumsub-db-net-evidence product and need to make a binary proceed/block decision before committing an x402 micropayment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:49:15.339Z","isFirstParty":false}