"Answer" matching MCP connectors:

Genesis402 by UnyKorn (x402 pay-per-call)A

io.github.FTHTrading

360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.

Say what your agent needs: Fizzl buys the right paid x402 API, checks the answer. Free pick.

Free index and sample of dated AI-engine answer rows; prices for paid x402 rows. Never pays.

Verified XRP Ledger answers with proof: payment, send, and issuer checks. Pay per call via x402.

Daily history trivia EN/ES. Preview free; question $0.01, with answer $0.03 USDC (x402, Base).

Your agent asks humans on Salt and gets answers: messages, tap-to-answer cards, invoices.

Invite specific execs and experts to a paid call or written answer. Pay only if they book or answer.

Help desk: read the queue, answer and solve tickets, look up customers, refund in Stripe.