Payment Delivery Atomicity

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": "payment_delivery_atomicity",
    "arguments": {"payment":{"intent_id":"i1","settled":true},"delivery":{"intent_id":"i1","delivered":true}}
  }
}

What the agent receives

Complete, paid-not-delivered, delivered-not-paid or incomplete state with evidence hashes.

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