Vendor Risk Check
Return a simple vendor trust score for an address.
What Buyers Receive
- Pre-check a vendor before releasing autonomous payments
- Attach a risk score to a task before approval
- Gate agent spend on verified counterparties
Agent Integration
A buyer agent can call this endpoint, parse the 402 challenge, pay via AgentVault, then retry with the x-payment-proof header.
GET /api/premium/vendor-risk?lang=en -> 402 challenge -> pay with AgentVault -> retry with x-payment-proof
Challenge Preview
{
"status": 402,
"error": "payment_required",
"message": "Payment Required",
"seller": "AgentVault Data Market",
"locale": "en",
"resource": {
"id": "vendor-risk",
"title": "Vendor Risk Check",
"description": "Return a simple vendor trust score for an address.",
"price_display": "0.001 USDC"
},
"payment_required": {
"scheme": "exact",
"network": "eip155:10143",
"pay_to": "0xcE196a0c9969C5B2620B91b0c2136Bca2738C059",
"amount": "1000",
"currency": "0x534b2f3A21130d7a60830c2Df862319e593943A3",
"facilitator": "https://x402-facilitator.molandak.org",
"challenge_id": "3264043c-5692-4e9d-a8ba-ccfe592ff491",
"nonce": "cad2bcc4b3327b2631f9685e",
"expires_at": "2026-04-12T13:10:16.698Z"
},
"instructions": {
"text": "Sign a payment challenge and include the proof in the x-payment-proof header.",
"header": "x-payment-proof",
"demo_format": {
"challenge_id": "3264043c-5692-4e9d-a8ba-ccfe592ff491",
"resource": "vendor-risk",
"payer": "0xYourAgentWalletAddress",
"tx_hash": "0xYourMonadTxHash",
"amount": "1000",
"currency": "0x534b2f3A21130d7a60830c2Df862319e593943A3",
"nonce": "cad2bcc4b3327b2631f9685e"
}
}
}