{
  "name": "APIbase",
  "description": "Unified MCP gateway to 1383 API tools from 397 providers. Pay-per-call via x402 USDC micropayments.",
  "protocol": "MCP",
  "protocolVersion": "2025-03-26",
  "transport": "streamable-http",
  "url": "https://apibase.pro/mcp",
  "version": "2.1.0",
  "tools_endpoint": "https://apibase.pro/api/v1/tools",
  "tools_count": 1383,
  "providers_count": 397,
  "categories_count": 21,
  "authentication": {
    "type": "bearer",
    "required": false,
    "description": "API key (ak_live_...) via Authorization: Bearer header. Optional — auto-registration supported.",
    "payment": [
      "x402",
      "mpp"
    ]
  },
  "capabilities": {
    "tools": true,
    "prompts": true,
    "resources": false
  },
  "payment": {
    "x402": {
      "enabled": true,
      "version": 2,
      "network": "eip155:8453",
      "network_name": "Base mainnet",
      "asset": "USDC",
      "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "pay_to": "0x50EbDa9dA5dC19c302Ca059d7B9E06e264936480",
      "facilitator": "self-hosted",
      "scheme": "exact"
    },
    "mpp": {
      "enabled": true,
      "version": "draft-ryan-httpauth-payment",
      "network": "tempo",
      "asset": "USDC"
    }
  },
  "compatible_with": [
    "base-mcp",
    "claude-desktop",
    "claude-code",
    "chatgpt",
    "cursor",
    "windsurf",
    "openai-agents-sdk",
    "langchain",
    "google-adk",
    "crewai"
  ],
  "prompts": [
    "discover_tools",
    "find_cheapest_flight",
    "crypto_market_overview",
    "prediction_market_research"
  ],
  "discovery_hint": "Call prompt 'discover_tools' to browse tools by category or task instead of loading all schemas into context.",
  "documentation": "https://apibase.pro/ai.txt",
  "openapi": "https://apibase.pro/.well-known/openapi.json",
  "server_card": "https://apibase.pro/.well-known/mcp/server-card.json",
  "source": "https://github.com/whiteknightonhorse/APIbase",
  "status": "active",
  "updated_at": "2026-09-07"
}