Quant Agent Shop
Cited research answer. Send one question; returns a 120 to 300 word answer with numbered [n] citations and the source URLs read, each with the time it was read. Failed calls are not charged.
1 route settlement-verified · $0.009 USDC/request · 1 endpoint · Intelligence · base network · x402 protocol
Verified routes
POST /v1/research-answer· $0.009 · 2026-10-22 · 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/mcpAbout this API
Quant Agent Shop is listed in the Intelligence category with pricing at $0.009 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-22. View receipt on Basescan.
Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.
This API exposes 1 endpoint.
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.
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