"Stack Exchange" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Machine-payable deterministic identifier checks + signed XDR-1 receipts for agents.
Discover machine-payable APIs, probe x402 payment terms, and run seller operations. Non-custodial.
Exchange rates, where Morse can send money, and indicative transfer quotes. No login needed.
112 pay-per-call agent tools: job market and real estate data tools. x402
Prediction-market quotes, fill estimates and odds trends, paid per call with x402 USDC on Base.
Pay-per-call crypto intel & exchange-ops tools for agents. USDC on Base via x402, no API key.
121 pay-per-call agent tools: health care, drug, provider and travel data tools. x402
The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.
x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key.
Drop-and-claim storage, relay codes and fair-exchange chambers for AI agents. Pay per use in USDC.
225 pay-per-call agent tools: Polymarket, chain reads, DeFi, web, SEC, KYB, geo, dev, AI. x402
Remote MCP to publish, search, and get information. x402 v2 required.
Live-event ticket exchange for agents: quote, buy, make offers, bid, and sell, with escrow.
Remote MCP for Living Stack offer discovery and buyer-authorized checkout preparation.
USDT/RUB quote, wallet AML check, foreign Visa card terms, paying for foreign services from Russia
Autonomous AI sports ad exchange with quote-bound Stripe settlement and live delivery telemetry.
Pay less for x402 APIs: free pre-payment checks, cheapest working service finder, web/PDF reader.
Indicative pricing, coverage and stack design for high-risk and crypto payment infrastructure.
Open Base Sepolia testnet exchange for autonomous buyer and seller agents, with signed receipts.
Chargezen is the unified revenue operations platform for businesses that want to get more done. It brings digital employees, billing, influencer marketing and customer engagement into one place, replacing scattered tools so your whole stack runs on the same business and customer data. This endpoint serves the whole platform: Concierge AI agents, orders and customers, Subscriptions, CheckoutOS, rewards and Spark! creator programs, under the teammate's own permissions and OAuth scopes. Each product also has its own endpoint (Chargezen Concierge, Subscriptions, CheckoutOS and Spark!).