{"version":1,"resources":["https://discovery.hugen.tokyo/keys/topup?key=YOUR_KEY"],"instructions":"# x402 Discovery API\n\nSearch 2,400 verified x402 pay-per-call APIs across 24 categories. Quality-scored, relevance-ranked, brokerable flag.\n\n## Search — Free (no payment required)\n- `GET /discovery/search?q=weather+forecast` — Search by keyword\n- `GET /discovery/search?q=defi&category=DeFi` — With category filter\n- `GET /discovery/search?q=token&limit=5` — Limit results (1-20)\n- `GET /discovery/search` — Browse recent APIs across all categories\n\n## API Key Management (for MCP Gateway)\n- `POST /keys/create` — Create key with $0.05 trial balance (free, no payment)\n- `GET /keys/balance?key=gw_xxx` — Check balance (free)\n- `POST /keys/topup?key=gw_xxx` — Top up $1.00 (x402 payment)\n\n## Categories\nDeFi, AI/LLM, Weather, Security, Finance/FX, Content, Domain, Visual, Intelligence, Price/Market, NFT, Social, News, Identity/ENS, Image/Media, Code/Dev, Analytics, Wallet/Balance, Transaction, Bridge/Cross-chain, Storage, Governance, Search/Discovery, Other\n\n## Pricing\nSearch: Free, Key top-up: $1.00/call (USDC on Base)\n"}