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MARKET MONITOR / CATALOGUE Services 131,137 MCP listed 40,658 x402 90,546 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-30 · 3 sources
Provider

port-scanner.underscoredone.com

port-scanner.underscoredone.com · 1 listed service · provider site

TCP Port Scanner x402 REST usage

Give this API a hostname or IP address and it tries connecting to each port in your requested range. For every port that answers it reports whether it is open or blocked, which service is likely running there (a web serv...

port-scanner.underscoredone.com Infrastructure 3 calls / 30d checked 2026-10-29
0.01 USDC per call per call

Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.