apibase.pro

# APIbase — Universal API Hub for AI Agents # https://apibase.pro > 502 API tools from 158+ providers via one MCP endpoint. > Supports x402 (USDC on Base) and MPP payments. ## Quick Start for Agents - Connect: POST https://apibase.pro/mcp (MCP Streamable HTTP) - Discover tools: Call prompt "discover_tools" with task or category - Full catalog: GET https://apibase.pro/api/v1/tools (all 502 tools, JSON schemas) - OpenAPI spec: GET https://apibase.pro/.well-known/openapi.json ## Progressive Disclosure 502 tools across 21 categories. Use discover_tools prompt to find relevant tools: - No args → category index (21 categories with counts) - category="finance" → 27 finance tools - task="search flights" → amadeus, aviasales, sabre tools ranked by relevance All tools remain callable via tools/call regardless of discovery. ## Categories (21) travel, weather, finance, crypto, search, news, location, health, entertainment, education, jobs, space, social, legal, business, developer, media, infrastructure, messaging, marketing, world ## Payment - Protocol: x402 (HTTP 402 Payment Required) or MPP (Authorization: Payment) - Token: USDC on Base mainnet (x402) or Tempo (MPP) - Prices: $0.001–$0.035 per call - Details: https://apibase.pro/.well-known/x402-payment.json - IMPORTANT: use ONE protocol per request, not both - If using mppx SDK: set polyfill: false to avoid intercepting x402 requests