"Elastic Stack" matching MCP connectors:

112 pay-per-call agent tools: job market and real estate data tools. x402

121 pay-per-call agent tools: health care, drug, provider and travel data tools. x402

x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key.

225 pay-per-call agent tools: Polymarket, chain reads, DeFi, web, SEC, KYB, geo, dev, AI. x402

Remote MCP for Living Stack offer discovery and buyer-authorized checkout preparation.

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.

ChargezenOAuth

com.chargezen

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!).

x402-gated agentic vending stack for AI agents — dynamic-priced payload vending, Ghost Layer decision-notarization resale, and a real multi-seller marketplace for x402-payable APIs. Base/USDC + XRPL/RLUSD settlement.

Outcome-based infrastructure for agents — verified AWS deployments, metered billing