Summary
This is a curated collection from xpay's 980+ tool catalog, focused on about 50 lead generation endpoints across Apollo, Hunter, Tomba, Sixtyfour, Fiber, Exa, and Nyne. You connect with one API key and pay $0.01 per call in USDC on Base via the x402 protocol. Instead of juggling seven different provider accounts and subscriptions, you get streamable HTTP access to email finders, contact enrichment, and prospect research tools through a single endpoint. The payment model is straightforward: add USDC credits to your xpay wallet, and each tool invocation automatically deducts a penny. If you're building lead workflows in Claude Desktop or similar MCP clients and want unified access without the API key sprawl, this bundles the main players into one connection.
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xpay MCP Server
980+ AI tools available as MCP servers. Pay $0.01/call in USDC via the x402 protocol. One API key, 30+ providers — no individual provider accounts or subscriptions needed.
Quick Start
1. Get your API key
Sign up at app.xpay.sh and create an API key. Add credits to your wallet (USDC on Base).
2. Add to your MCP client
Claude Desktop / Cursor / Windsurf — add to your MCP config:
{
"mcpServers": {
"xpay": {
"url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
}
}
}
Claude Code CLI:
claude mcp add --transport http "xpay" "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
Replace YOUR_API_KEY with your key from step 1.
3. Use tools
Your AI assistant will automatically discover all available tools. Each tool call costs $0.01 USDC, deducted from your wallet balance.
Collection Servers
Instead of connecting to all 980+ tools, you can connect to a focused collection:
| Collection | Endpoint | Tools | Providers |
|---|---|---|---|
| All Tools | https://mcp.xpay.sh/mcp?key=YOUR_API_KEY | 980+ | All 30+ |
| Lead Generation | https://lead-gen.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~50 | Hunter, Apollo, Tomba, Sixtyfour, Fiber, Exa, Nyne |
| Competitive Intel | https://compete.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~40 | Brand.dev, Coresignal, Keywords Everywhere, Exa, Firecrawl, Shofo |
| Content Research | https://content.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~40 | Perplexity, Tavily, Semantic Scholar, FLUX, Ideogram, Recraft |
| Web Scraping | https://scraping.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~35 | Firecrawl, Bright Data, Jina, Olostep, ScrapeGraph, Notte |
| Developer Tools | https://devtools.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~30 | Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML |
| Finance | https://finance.mcp.xpay.sh/mcp?key=YOUR_API_KEY | 253 | Financial Modeling Prep, Alpha Vantage, AkShare, Polymarket |
| Media Studio | https://media.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~25 | FLUX, Ideogram, Recraft, Stability AI, MiniMax, Kokoro |
| Social Media | https://social.mcp.xpay.sh/mcp?key=YOUR_API_KEY | 96 | ScapeCreators, Shofo, YouTube |
| Academic Research | https://research.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~30 | Semantic Scholar, Google Scholar, PubMed, arXiv |
| Marketing | https://marketing.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~30 | Keywords Everywhere, Brand.dev, Exa, Tavily, Ideogram |
How It Works
- Get a key — Sign up at app.xpay.sh and add USDC credits
- Connect — Add the endpoint URL (with your key) to any MCP client
- Call tools — Your AI assistant discovers and calls tools naturally
- Auto-deduct — Each call costs $0.01 USDC, deducted from your wallet balance
No individual provider API keys. No separate accounts. One key for 30+ providers.
Requirements
- API key from app.xpay.sh
- USDC credits in your xpay wallet (add via Coinbase)
- MCP client — Claude Desktop, Cursor, Windsurf, Claude Code CLI, Cline, etc.
How x402 Works
x402 is an open protocol for machine-to-machine payments using HTTP 402 Payment Required. When a tool call requires payment:
- Server responds with
402 Payment Required+ a payment invoice - Client signs a USDC payment on Base blockchain
- Server verifies payment and executes the tool
- Settlement is instant, non-custodial, and peer-to-peer
Browse Tools
- Hub: xpay.tools
- Docs: docs.xpay.sh
- Platform: xpay.sh
Related
@xpaysh/x402— x402 facilitator SDK@xpaysh/n8n-nodes-xpay— n8n community node@xpaysh/agent-kit-langchain— LangChain integration- xpay Facilitator — Open x402 facilitator service
License
MIT
Featured
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Categories
Registryactive
TransportHTTP
UpdatedMar 14, 2026
