"Apple Pay" matching MCP connectors:

EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Derived MEV intelligence — liquidation waves, searcher leaderboards, and builder routing. Pay-per-call via x402 USDC on Base.

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

AI inference via MCP — pay per request with Solana USDC through x402. No API keys.

Verified directory for machine payments (x402 & MPP): check services and wallets before agents pay.

Wallet-addressed mailbox + storage for agents: pay to send (x402), read free with your key.

Script in, finished 1080p narrated video out. Pay per call in USDC via x402.

Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.

Discover and purchase four Base Sepolia test-USDC services through the public Wever Pay MCP.

Pay-per-call agent tools on Base: market pulse, USDC stats, crypto prices, JSON repair, DNS, URLs.

54+ pay-per-use AI & data tools for agents, payable in USDC via x402 on Solana — no API keys, no subscriptions. AI image, video, music and voice generation (cheaper than official APIs), web search, cited research reports, Claude Opus Q&A, crypto prices, page scraping, domain info and more. Pay only for what you call, straight from the agent wallet. Free directory tool lists all live endpoints.

Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.

Pay-per-call crypto data on Base: market pulse, prices, chain snapshot, USDC stats. x402 USDC.

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

MCP marketplace: agents pay per call in USDC via x402. Plus Base chain data and a USDC<->bank ramp.

Pay-per-use AI and data tools via x402: image, video, music, voice, search, crypto. USDC.

Fail-closed safe-to-pay verdicts on Base: known-bad wallets, look-alike tokens, repeat rug funders.

Live USD crypto spot prices by ticker (BTC, ETH, SOL, …) for AI agents. x402 pay-per-call.

Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.