MachineMint Base transaction preflight at the service root. GET accepts optional...
https://machinemint-native-x402-production.up.railway.app/Overview
MachineMint Base transaction preflight at the service root. GET accepts optional from/to/value/data query parameters; POST accepts the canonical JSON body. With no input, it runs a deterministic live sample so x402 marketplaces can verify settlement and product delivery.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/transactions
Provider
machinemint-native-x402-production
Source
bazaar
Indexed
2026-10-31 05:41:12
Health
Status
healthy
Latency (p50)
221ms
Uptime (30d)
100.0%
Reliability Score
87/100
Last Checked
2026-10-31 07:08:05
Last Healthy
2026-10-31 07:08:05
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"data": "0x",
"from": "0x4200000000000000000000000000000000000006",
"to": "0x1111111111111111111111111111111111111111",
"value": "0"
},
"type": "http"
}
Output Schema
{
"example": {
"canonical_endpoint": "/v1/base-preflight",
"chain": {
"chain_id": 8453,
"name": "base"
},
"gas": {
"estimated": true
},
"reason_codes": [],
"request_mode": "marketplace_verification_sample",
"risks": [],
"sender": {
"sufficient": true
},
"service": "machinemint.evm.preflight",
"simulation": {
"ok": true
},
"verdict": "PASS"
},
"type": "json"
}