{"openapi":"3.1.0","info":{"title":"xpay✦ — Pay-per-use Tool Discovery for AI Agents","version":"1.0.0","description":"xpay✦ (xpay.tools) is a pay-per-use agent tool discovery and execution platform — an API marketplace where AI agents discover, price-compare, and run 1143+ tools from 111+ providers via one MCP connection. Categories: search, enrichment, scraping, finance, code, AI models, communications, data. Pay per call from $0.01. $5 free credits on signup. No subscriptions — pay as you go.","contact":{"name":"xpay✦","url":"https://xpay.sh","email":"support@xpay.sh"},"license":{"name":"Proprietary","url":"https://xpay.tools/legal/terms-of-use"}},"externalDocs":{"description":"xpay✦ Developer Documentation","url":"https://docs.xpay.sh"},"servers":[{"url":"https://mcp.xpay.sh","description":"xpay✦ MCP Server — unified discovery and access to all tools"}],"tags":[{"name":"Discovery","description":"Search, browse, and explore available tools by category or query"},{"name":"Execution","description":"Run tools and manage billing"}],"paths":{"/mcp":{"post":{"operationId":"mcpEndpoint","summary":"MCP Streamable HTTP endpoint","description":"Model Context Protocol (MCP) endpoint for AI clients. Supports Cursor, Claude Code, VS Code, Windsurf, Cline, and any MCP-compatible client. Connect with: {\"mcpServers\":{\"xpay\":{\"url\":\"https://mcp.xpay.sh/mcp?key=YOUR_API_KEY\"}}}","tags":["Execution"],"parameters":[{"name":"key","in":"query","required":true,"description":"Your xpay✦ API key. Sign up free at https://xpay.tools","schema":{"type":"string"}}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","description":"MCP JSON-RPC request"}}}},"responses":{"200":{"description":"MCP JSON-RPC response","content":{"application/json":{"schema":{"type":"object"}}}}}}}},"x-mcp-tools":{"meta_tools":[{"name":"xpay_discover","description":"Search and browse tools by natural language query or category. Returns matching tools with descriptions and pricing."},{"name":"xpay_details","description":"Get full input schema and pricing for a specific tool before running it."},{"name":"xpay_run","description":"Execute a tool with the given inputs. Cost is deducted from your wallet automatically."},{"name":"xpay_balance","description":"Check your current xpay✦ wallet balance."}]},"x-discovery":{"explore":"https://xpay.tools/explore","collections":"https://xpay.tools/collections","llms_txt":"https://xpay.tools/llms.txt","agents_txt":"https://xpay.tools/agents.txt","skill_md":"https://xpay.tools/skill.md","mcp_json":"https://xpay.tools/.well-known/mcp.json","ai_plugin_json":"https://xpay.tools/.well-known/ai-plugin.json","openapi_json":"https://xpay.tools/openapi.json"},"x-categories":["Search — Web search, semantic search, AI answers (Exa, Tavily, Perplexity, etc.)","Enrichment — Contact, company, and domain data (Hunter, Apollo, Coresignal, etc.)","Scraping — Web scraping, crawling, content extraction (Firecrawl, Bright Data, Jina, etc.)","Finance — Stock quotes, forex, crypto, financial data (Alpha Vantage, etc.)","Code — Code context, documentation lookup (Context7, etc.)","AI Models — Image, audio, and video generation (Black Forest Labs, Ideogram, Recraft, etc.)","Communications — SMS, voice, messaging (Telnyx, etc.)","Data — Data feeds, utilities, reference data (Dappier, Wikipedia, etc.)"],"x-pricing":{"model":"pay-per-call","currency":"USD","range":"$0.00 – $0.10 per call","free_credits":"$5 on signup","no_subscription":true,"pay_as_you_go":true},"x-providers":{"count":111,"total_tools":1143,"examples":["Exa (semantic search)","Tavily (AI search)","Hunter (email finder)","Apollo (sales intelligence)","Firecrawl (web scraping)","Bright Data (data collection)","Context7 (code docs)","Alpha Vantage (financial data)","Perplexity (AI answers)","Black Forest Labs (image generation)"]}}