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Portable intent card · commercial-operations

Verify an x402 payment produced a usable delivery receipt

Validate the structure and binding fields of a caller-supplied x402 delivery receipt while the outcome is still fresh. It helps buyers preserve proof without exposing wallet secrets and does not look up or fabricate a settlement.

x402 delivery receiptpayment proof validationagent purchase receiptx402 outcome proofsettlement evidence

Intent to transaction

One command, attributed.

The source header follows this discovery route through challenge, payment and delivery without exposing the buyer or request body.

npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/x402-delivery-receipt-check -m POST -H 'x-delx-source: intent-card-x402-delivery-receipt-check-api' --max-amount 0.001 -b '{"receipt":{"payment_id":"pay-1","resource":"https://api.delx.ai/x402/utility/example","amount_raw":"1000","delivered":true}}'
Example inputPOST /api/v1/x402/x402-delivery-receipt-check
{
  "receipt": {
    "payment_id": "pay-1",
    "resource": "https://api.delx.ai/x402/utility/example",
    "amount_raw": "1000",
    "delivered": true
  }
}
Agent discoverydelx/intent-card/v1
{
  "intent": "verify that an x402 payment produced a usable delivery receipt for the buyer",
  "tool_name": "util_x402_delivery_receipt_check",
  "price_usdc": "0.001",
  "machine_url": "https://commerce.delx.ai/intents/x402-delivery-receipt-check-api.json"
}

Portable and inspectable

Share the intent, not a directory search.