{"name":"SpendPreflight","description":"Risk checks for agents that pay. Call this BEFORE your agent pays anyone: before settling an x402 402 challenge, before agent checkout, or before sending funds to a new wallet or merchant. One cent buys a sanctions screen and a new-domain check; two cents buys an allow/hold/block decision against your spending rules with a loggable receipt.","url":"https://api.spendpreflight.com","provider":{"organization":"SpendPreflight","url":"https://spendpreflight.com"},"termsOfServiceUrl":"https://api.spendpreflight.com/terms","privacyPolicyUrl":"https://api.spendpreflight.com/privacy","guarantees":["Read-only: never signs, settles, or holds your funds; payment goes directly to our public wallet via the Coinbase x402 facilitator.","Not charged on our errors: invalid requests (4xx) and data-unavailable (503) are never settled.","Explainable: every decision is rule-based and returns its reasons; no hidden scoring.","Public data with stated freshness: OFAC SDN + alias lists (U.S. Treasury), refreshed daily; every response has data_as_of.","Minimal data: no request bodies stored; free-trial IP counter deleted after 48h.","Verifiable: payments on-chain (Base), open-source client (MIT), live /status."],"trust":{"status_page":"https://status.spendpreflight.com","status":"https://api.spendpreflight.com/status","terms":"https://api.spendpreflight.com/terms","privacy":"https://api.spendpreflight.com/privacy","security":"https://api.spendpreflight.com/.well-known/security.txt","receipt_keys":"https://api.spendpreflight.com/.well-known/spendpreflight-keys.json","trust_page":"https://spendpreflight.com/trust.html","source":"https://github.com/spendpreflight/spendpreflight-js"},"version":"1.0.0","documentationUrl":"https://api.spendpreflight.com/openapi.json","mcp":{"url":"https://api.spendpreflight.com/mcp","transport":"streamable-http"},"capabilities":{"streaming":false,"pushNotifications":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"authentication":{"schemes":["x402"]},"skills":[{"id":"check_payee","name":"Check payee","description":"Payee risk check. Screens a payee wallet address and name against the OFAC SDN sanctions list and checks the merchant domain's registration age and DNS. Returns risk low|medium|high|unknown with flags such as sanctioned_address, sanctioned_name_possible, new_domain. Use before paying an unfamiliar merchant or wallet.","tags":["sanctions","ofac","kyb","payments","fraud","x402"],"examples":["GET https://api.spendpreflight.com/v1/check?domain=shop.example&address=0x..."]},{"id":"preflight_payment","name":"Preflight payment","description":"Spend preflight for AI agents. Send the x402 PaymentRequired body (v1 or v2) you received, or a cart, plus optional rules (per-payment max, hold threshold, daily cap, allowlists, new-domain days, endpoint category price multiple, liveness and payTo changes). Returns allow|hold|block with reasons, the cheapest acceptable payment option, and a receipt id. Read-only: never signs, settles, or holds funds. Use before every payment.","tags":["spend-control","agent-payments","x402","policy","budget"],"examples":["POST https://api.spendpreflight.com/v1/preflight {\"challenge\":{...}}"]}]}