Apex Edge

x402 machine-payable API edge: pay-per-call utilities, market data, audits and agent tools over MCP. Base USDC, EIP-3009 gasless.

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Documentation

apex-edge — x402 machine-payable utility edge

Pay-per-call utility API for agents. Prices in USDC on Base and Solana via x402; unpaid calls return HTTP 402 payment descriptors.

  • MCP endpoint (Streamable HTTP): https://api.nonsynthetic.net/mcp
  • REST: https://api.nonsynthetic.net/api/v1/* (openapi.json, llms.txt)
  • Registry: net.nonsynthetic/apex-edge (official MCP Registry)
  • Well-known: nonsynthetic.net/.well-known/agent-card.json · /.well-known/x402

No auth, no signup — connect an MCP client or curl -X POST a tool call and handle the 402 challenge.

Contents: client.py (x402-aware client example), action.yml (agent action descriptor), server.json (MCP registry manifest), index.html (landing).