{"uid":"cap_XblU9kxvhP-eTVXkF18yl","slug":"flint-network-ai-agent-verification-0593cbc5","name":"Flint Network AI Agent Verification","description":"Verify an AI agent's authority and integrity before a transaction; returns a four-state verdict, a signed verification record, and after payment a linked signed settlement receipt","url":"https://flint.network/api/x402/verify","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"nonce":{"type":"string","minLength":8},"timestamp":{"type":"string","format":"date-time"},"partner_id":{"type":"string"},"agent_claim":{"type":"object","properties":{"agent_id":{"type":"string"},"spiffe_svid":{"type":"string"},"wallet_type":{"type":"string"},"fp_request_id":{"type":"string"},"principal_hint":{"type":"string"},"agent_runtime_hint":{"type":"string"}}},"passport_id":{"type":"string"},"transaction":{"type":"object","required":["amount_display"],"properties":{"chain":{"type":"string"},"token":{"type":"object","properties":{"issuer":{"type":"string"},"symbol":{"type":"string"}}},"amount_display":{"type":"string"},"counterparty_address":{"type":"string"}}},"declared_scope":{"type":"object","properties":{"time_window_end":{"type":"string","format":"date-time"},"allowed_counterparties":{"type":"array","items":{"type":"string"}},"max_amount_per_tx_display":{"type":"string"}}},"merchant_reference":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DHzLIbJuLKFVA3OHxOgpx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies an AI agent's authority and integrity before executing a transaction, returning a four-state verdict and a signed verification record","exampleAgentPrompt":"Before this payment goes through, run an authority and integrity check on our agent using Flint to get a signed verification record and verdict — I need to confirm it's actually authorized to do this.","exampleUseCases":[{"title":"Pre-payment agent authorization gate","prompt":"Before the agent executes this USDC transfer, verify its authority and integrity with Flint and only proceed if the verdict comes back clean — return the signed verification record so I have proof."},{"title":"Agentic DeFi transaction safeguard","prompt":"I want to add a verification step before any of my AI agents touch DeFi protocols — use Flint to check each agent's authority and get a four-state verdict before any swap or transfer is allowed."},{"title":"Audit trail for autonomous agent actions","prompt":"For compliance purposes, run every agent transaction through Flint's integrity check first and store the signed verification records so we have a tamper-evident audit log of which agents were authorized for what."}],"resultDescription":"A four-state verdict (e.g. authorized, unauthorized, compromised, or unknown) indicating the agent's authority and integrity status, plus a cryptographically signed verification record that can be used as tamper-evident proof of the check.","failureModes":["Invalid or missing agent credentials returns an error verdict","Agent identity cannot be resolved — returns unknown state","Malformed request body causes 400-level error","Signing service unavailable causes verification failure","Network timeout during integrity check","Agent is flagged as compromised — returns negative verdict with signed record"],"whenToPreferThis":"Use this endpoint when you need to gate a financial or sensitive transaction behind a verified authority check for an AI agent — especially when you need a signed, auditable proof of the check. Prefer this over generic auth checks when the four-state verdict model and signed record are required for compliance or downstream trust decisions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:37:19.475Z","isFirstParty":false}