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USDC-gated Base JSON-RPC: free 10 req/min, $0.50 per 10k. Failover, cache, /mcp, ledger.
MCP endpoint :https://basebalance.cloud/mcp · website · measurements and detailsRPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.
MCP endpoint :https://flexyield.io/mcp · website · measurements and detailsMeasured x402 ecosystem data, facilitator reliability, and live endpoint checks.
MCP endpoint :https://multichain-rpc.clankerceo.workers.dev/mcp · website · measurements and detailsLive NCAA DI college baseball scores, standings, schedules, rankings, and sabermetrics.
MCP endpoint :https://sabermetrics.blazesportsintel.com/mcp · website · measurements and detailsDiscover x402 paid APIs and inspect fresh payment requirements before authorizing spend.
MCP endpoint :https://mcp-x402-gitlab-main.onrender.com/mcp · website · measurements and detailsWallet-signed Solana RPC for AI agents. No API keys, LLM-safe amounts, pay-per-call in SOL.
MCP endpoint :https://solana-pulse-gateway-1021990235790.us-central1.run.app/mcp · website · measurements and detailsPut any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources
MCP endpoint :https://pay.neuronto.com/mcp · website · measurements and detailsSolana RPC (keyless)
MCP endpoint :https://gateway.pipeworx.io/solana-rpc/mcp · website · measurements and detailsx402 analytics feed + 20+ pay-per-call agent tools over x402 (data, LLM, risk), no accounts.
Package npm :x402-gateway-mcp · website · measurements and detailsPay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.
MCP endpoint :https://mcp.daedalusdevelopmentgroup.com/mcp · website · measurements and detailsProvides easy access to MLB, Baseball Savant, Statcast, and Fangraphs baseball data. Query detaile…
MCP endpoint :https://server.smithery.ai/@jweingardt12/mlb_mcp/mcp · measurements and detailsx402 data & AI gateway: 194 services + AI Gateway free data (save 50-90% tokens).
MCP endpoint :https://agentdatum.com/mcp · measurements and detailsMonetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.
MCP endpoint :https://paygate-mcp.rendercriativo.workers.dev/mcp · website · measurements and detailsDiscover x402 services, MCP servers and A2A agents by intent — agent-tools.cloud directory.
MCP endpoint :https://agent-tools.cloud/mcp-discovery/ · website · measurements and detailsPay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.
Package pypi :ddg-agent-services-mcp · website · measurements and detailsKeyless multi-chain EVM JSON-RPC, indexed Data API, docs, CU pricing and status. API key optional.
MCP endpoint :https://docs.blockvectra.com/mcp · website · measurements and detailsPay-per-call x402 services for agents: risk scoring, DeFi, wallet and market data.
MCP endpoint :https://api.gentechlabs.net/mcp · website · measurements and detailsAI procurement gateway: finds and auto-selects live x402 APIs; provider payments stay buyer-direct.
MCP endpoint :https://kevaremesh-web.vercel.app/api/x402/mcp · website · measurements and detailsPaid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.
MCP endpoint :https://agents.samedaydesk.com/mcp · website · measurements and detailsx402 seller trust for AI agents: verify on-chain revenue, check delivery, diagnose listings.
MCP endpoint :https://mcp.agenteconomy.cloud/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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