agentmarketindex.
About the index ↗
MARKET MONITOR / CATALOGUE Services 116,093 MCP listed 39,929 x402 76,222 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Provider

preflight.openverbs.com

preflight.openverbs.com · 1 listed service · provider site

Inspect x402 endpoint x402 REST usage

Fetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource, description, timeout and any input schema. Flags MPP...

preflight.openverbs.com Crypto & Payments 3 calls / 30d checked 2026-10-26
0.006 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.