x402 Engine MCP

by x402 Enginelivefrom $0.001 /call

MCP server exposing 38 pay-per-call APIs: LLM inference (15 models), image generation, audio transcription, TTS, embeddings, crypto/market data, blockchain tools, and IPFS storage. USDC on Base/Solana; USDm on MegaETH.

TOOLS

Individual tools haven't been itemized yet. See the details and docs for what this listing exposes.

CONNECT

# Inspect the unpaid MCP/x402 requirement with a valid initialize request.
curl -i --request POST 'https://x402-gateway-production.up.railway.app' \
  --header 'Content-Type: application/json' \
  --header 'Accept: application/json, text/event-stream' \
  --data '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"toll402-check","version":"1.0.0"}}}'

Keep EVM_PRIVATE_KEY server-side and use a narrowly funded wallet.official MCP + x402 guide ↗