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MARKET MONITOR / CATALOGUE Services 111,481 MCP listed 39,819 x402 71,717 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Provider

preflight.natio.re

preflight.natio.re · 1 listed service · provider site

Machine Preflight API x402 REST

Simulate and inspect an unsigned Base transaction for approvals, privileged selectors, reverts and target-code anomalies.

preflight.natio.re Crypto & Payments checked 2026-10-26
0.02 USDC per call per call

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