Agent Approval Relay

Try before payment

Inspect a representative partial result, exact price and copy-ready upgrade instructions. No wallet, signature or payment required.

Copy-ready MCP call

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "agent_approval_relay",
    "arguments": {"approval":{"decision":"approve","purpose":"purchase verification","expires_at":4102444800,"payload_sha256":"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"}}
  }
}

What the agent receives

Purpose-bound approval status and immutable approval digest.

No API key or subscription. The first paid request returns HTTP 402 payment requirements; an x402 client signs and retries automatically.