MARKET MONITOR / CATALOGUE Services 157,715 MCP listed 48,833 x402 109,008 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-14 · 3 sources

Provider

api.provenpaid.com

api.provenpaid.com · 1 listed service · provider site

Check x402 REST usage

Call before paying an unfamiliar x402 endpoint to check that it is real and actually gets paid. Pass ?url=<endpoint URL>. ProvenPaid probes the endpoint without paying, validates its x402 challenge (v1/v2; MPP detected)...

api.provenpaid.com Crypto & Payments 1 calls / 30d checked 2026-11-07

0.01 USDC per call per call

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