ISHOB Research Brief
Research brief on any topic: best open-licence papers with citations, abstracts and links, plus an AI-written summary that only cites the papers returned.
1 route settlement-verified · $0.05 USDC/request · 1 endpoints / 1 tools · Intelligence · base network · x402 protocol
Verified routes
POST /v1/research-brief· $0.05 · 2026-10-13 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpHow 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 ISHOB