APIbase.pro — The API Hub for AI Agents
One MCP + REST endpoint to 1383 tools from 399 providers. No signup, no subscription, no API key to start — pay per call in USDC (x402 on Base or MPP on Tempo).
Latest release: see the tag that equals package.json version; release notes in docs/releases/.
Quick Start
{
"mcpServers": {
"apibase": { "url": "https://apibase.pro/mcp" }
}
}
That’s the Claude Desktop config. Cursor, Windsurf, OpenAI Agents SDK, LangChain, Google ADK, CrewAI, Microsoft Copilot Studio, and plain REST: apibase.pro/connect.
For AI Agents
- llms.txt — concise LLM context
- ai.txt — plain-text agent discovery
- mcp.json — MCP server metadata
- MCP protocol versions — 2025-11-25, 2025-06-18, 2025-03-26, 2024-11-05, 2024-10-07 (Streamable HTTP on
/mcp); revision 2026-07-28 is not served yet (the released SDK does not support it). Current list: protocolVersions in mcp.json
- openapi.json — OpenAPI 3.1 spec
-…