Index onlineMerchant portal
Api Endpoint

Transaction Assurance

Independently verify authorization, settlement, delivery and deterministic acceptance; return a signed portable assurance receipt

Open interactive test console

Offering

Provider
phion.systems
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://phion.systems/v1/paid/transaction-assurance
MIME type
Not provided
First seen
2026-10-16T01:57:40.935Z
Last seen
Tags
transactions, settlement, delivery, Evidence, X402

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.015 USDC
Atomic price: 15000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.015 USDC
Atomic price: 15000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.015 USDC
Atomic price: 15000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "15000",
    "payTo": "0x7BEcA68DD9aC733D4de6b16d16B85Dc391c071e2"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "15000",
    "payTo": "0x7BEcA68DD9aC733D4de6b16d16B85Dc391c071e2"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "15000",
    "payTo": "0x7BEcA68DD9aC733D4de6b16d16B85Dc391c071e2"
  }
]

Observed health

Status
Healthy
Latest latency
109 ms
Average latency
344 ms
HTTP status
204
Last checked
Reachability
100% over 12 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "body": {
    "acceptance": [
      {
        "expected": "ok",
        "operator": "equals",
        "path": "/result"
      }
    ],
    "delivery": {
      "content_sha256": "replace-with-sha256-of-output",
      "delivered_at": 1700000060,
      "output": {
        "result": "ok"
      },
      "status": 200
    },
    "intent": {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "buyer": "agent:buyer",
      "deadline": 1700000300,
      "max_amount": "20000",
      "network": "eip155:8453",
      "requested_at": 1700000000,
      "seller": "0x0000000000000000000000000000000000000001"
    },
    "offer": {
      "amount": "15000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "network": "eip155:8453",
      "seller": "0x0000000000000000000000000000000000000001",
      "valid_until": 1700000100
    },
    "payment": {
      "amount": "15000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "network": "eip155:8453",
      "recipient": "0x0000000000000000000000000000000000000001",
      "settled": true,
      "settled_at": 1700000050,
      "transaction": "0xexample"
    },
    "transaction_id": "purchase-42"
  },
  "bodyType": "json",
  "discoverable": true,
  "method": "POST",
  "type": "http"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object"
}