machinemint-native-x402-production.up.railway.app

machinemint-native-x402-production.up.railway.app · 2 paid endpoints · listed 2026-10-27

Check an unsigned Base mainnet transaction before signing or broadcasting. Simulates with eth_call, estimates gas, checks sender balance and target bytecode, decodes supported token transfers and approvals, flags unlimited approvals and suspicious transaction shapes, and returns PASS, REVIEW, or FAIL. Never signs or broadcasts.

livelast check 28 h ago

100%valid x402 answers, 72 h

$0.01USDC received on Base, 7 days

1distinct payers, 7 days

52.0score (0-100)

Paid endpoints

Method	Endpoint	Price	Networks
GET	machinemint-native-x402-production.up.railway.app/ MachineMint Base transaction preflight at the service root. GET accepts optional from/to/value/data query parameters; POST accepts the canonical JSON body. With	$0.01	Base
GET	machinemint-native-x402-production.up.railway.app/v1/base-preflight Check an unsigned Base mainnet transaction before signing or broadcasting. Simulates with eth_call, estimates gas, checks sender balance and target bytecode, de	$0.01	Base

Latest checks

When	Endpoint	HTTP	ms	Result
28 h ago	machinemint-native-x402-production.up.railway.app/v1/base-preflight	402	197	valid x402 v2 terms
7 days ago	machinemint-native-x402-production.up.railway.app/v1/base-preflight	402	235	valid x402 v2 terms

Income on Base (7 days)

Day		Transfers	USDC
2026-10-31		1	$0.01

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<a href="https://logicnodes.io/observatory/p/machinemint-native-x402-production.up.railway.app"><img src="https://logicnodes.io/observatory/badge/machinemint-native-x402-production.up.railway.app.svg" alt="x402 status"></a>

Claim it for free with x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.

Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/machinemint-native-x402-production.up.railway.app