"Amazon Pay" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
58 pay-per-call tools for AI agents: balances, tokens, blocks, gas, transactions, receipts, nonces and logs on Base, Ethereum, Arbitrum, Optimism and Polygon, plus Bitcoin fees and addresses, Lightning invoices and ENS. USDC via x402.
Pay-per-call MCP tools for agents, settled with x402 (USDC on Base mainnet). 17 tools — text/data utilities plus x402/EVM-native: decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 typed-data hashing, ABI encode/decode, Merkle-proof verify, keccak256, and EIP-55 address checks. No API keys.
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
Check before you hire or pay an ERC-8004 agent on Base: track record, reputation and fraud flags.
Pay-per-call crypto data for agents: metrics, claims, custom briefs. USDC via x402.
Memecoin intel for agents: Robinhood Chain + Solana bursts, rug checks, call verdicts. Pay via x402.
RPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.
RPC gateway for agents: six mainnets, measured failover, one key and one meter. Get a key with the get_key tool, no signup. Pay per call with USDC (x402) or bring an account key. Status measured in public.
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.
Marketplace of pay-per-call APIs for AI agents. Top up once with USDC, then call any listed API - gasless, walletless, metered per request. Includes onboarded providers and hundreds of x402-native APIs discovered on-chain.
Paid MCP tools behind one endpoint. Agents pay per call in USDC on Base via x402.
Pay-per-call API for AI agents: token trade math and risk intel. Pre-trade check, rug-risk scan, contract check, deployer history, bundle/sniper check, wallet snapshot, token search, buy/sell quotes. No signup, no API key. Each call is paid with x402: USDC on Base (also USDC on Solana or private ZEC on HTTP), $0.001 to $0.02 per call. Live at https://curvecall.onrender.com/
Pay-per-call x402 Base/Ethereum prices, DEX, ENS, gas, tokens, holders, balances, txs.
Pay-and-mint Cardano NFT (CIP-25) in one atomic tx. Non-custodial. MCP-native. Mainnet.
Deploy, pay for and manage apps on Flux Cloud, the decentralized cloud. Prices in USD.
Pay-per-call API for AI agents on Base via x402: best-execution swap quotes (~91ms, block-stamped, expiring), contract safety verdicts before an agent approves a token, and a smart-wallet signal feed. Tools: flow_quote, flow_health. No API keys; each call settles in USDC on Base.
Pay-per-call agent tools (x402, MPP): licenses, entities, NPI, OIG/OFAC screens, FMCSA, OSHA, drive
Branded IPFS gateway on your own domain: order by API, pay exact USDT (TRC20). Agent-ready catalog.
Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.
Compare live gas across up to 9 EVM chains and get the cheapest one. x402 pay-per-call on Base.
