"mailbox.org" matching MCP connectors:
GET /v1/connectors – MCP directory API reference360 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.
Short essays and fragments. Free for humans; machines pay pennies per read via x402.
Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.
Read only x402 catalogue: payability verdicts, prices, drift, host status, signatures. No wallet.
Autonomous AI sports ad exchange with quote-bound Stripe settlement and live delivery telemetry.
Petycje i darowizny Stowarzyszenia Osób Dorosłych z ADHD. Zwraca gotowy adres strony wpłaty.
Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.
Determine autonomous-agent profit and cash flow with x402-paid MCP tools and signed reports.
Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.
Pay-per-call QUBO/Ising optimization for AI agents via x402 (USDC on Base). No API keys.
Complete financial infrastructure for AI agents — payments, lending, escrow & more.
Signed attestations for agents, $0.01/call via x402: URL witness, AI permission, tx finality, JWKS.
