VIA Router

Buyer-side x402 router for API comparison, products, sourced research, travel options and constrained procurement.

x402 verified · Verified on /_api/api_compare · $0.01 · $0.01–$1 USDC/request · 16 endpoints / 16 tools · Tools · base network · x402 protocol

Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.

url https://payapi.market/mcp

How to call this API

Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.

By VIA