machinemint-native-x402-production.up.railway.app
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.
- Category
- Crypto & DeFi
- Starting price
- $0.01
- Paid calls · 30 days
- 7
- Unique payers · 30 days
- 6
Paid endpoints
2 endpoints, sorted by usage. Prices are per request.
- GET/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, decodes supported token transfers and approvals, flags unlimited approvals and suspicious transaction shapes, and returns PASS, REVIEW, or FAIL. Never signs or broadcasts.
$0.01Base6calls / 30d - GET/
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.
$0.01Base1calls / 30d