agentmarketindex.
About the index ↗
MARKET MONITOR / CATALOGUE Services 134,488 MCP listed 40,873 x402 93,697 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-01 · 3 sources
Provider

stampthisfile.com

stampthisfile.com · 1 listed service · provider site

stampthisfile x402 REST usage

Timestamp SHA-256 hashes in Bitcoin with OpenTimestamps: returns a standard .ots proof per hash (pending, complete within hours), verifiable without us

stampthisfile.com Other services 3 calls / 30d checked 2026-11-01
0.05 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.