directory

Verified Vendor Feed

List vendors safe for small autonomous agent payments.

Pricing
0.0005 USDC
Endpoint/api/premium/verified-vendors?lang=en
Sample Query?lang=en

What Buyers Receive

  • Load a safe vendor allowlist for policy engines
  • Filter service providers before payout
  • Bootstrap a trusted merchant set for new agents

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/verified-vendors?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": "verified-vendors",
    "title": "Verified Vendor Feed",
    "description": "List vendors safe for small autonomous agent payments.",
    "price_display": "0.0005 USDC"
  },
  "payment_required": {
    "scheme": "exact",
    "network": "eip155:10143",
    "pay_to": "0xcE196a0c9969C5B2620B91b0c2136Bca2738C059",
    "amount": "500",
    "currency": "0x534b2f3A21130d7a60830c2Df862319e593943A3",
    "facilitator": "https://x402-facilitator.molandak.org",
    "challenge_id": "aba0b689-95da-4863-9e8e-c172ed00c57a",
    "nonce": "ce83b9d9faff8bd1a7aee1e0",
    "expires_at": "2026-04-12T11:16:20.358Z"
  },
  "instructions": {
    "text": "Sign a payment challenge and include the proof in the x-payment-proof header.",
    "header": "x-payment-proof",
    "demo_format": {
      "challenge_id": "aba0b689-95da-4863-9e8e-c172ed00c57a",
      "resource": "verified-vendors",
      "payer": "0xYourAgentWalletAddress",
      "tx_hash": "0xYourMonadTxHash",
      "amount": "500",
      "currency": "0x534b2f3A21130d7a60830c2Df862319e593943A3",
      "nonce": "ce83b9d9faff8bd1a7aee1e0"
    }
  }
}