Sixtyfour API
$0.10 – $0.60/call
Build custom research agents to enrich people and company data, and surface real-time signals all with a simple API call.
Connect Sixtyfour API tools
Cursor
Claude Code
Claude Desktop
Windsurf
VS Code
Cline
Roo Code
ChatGPT
Gemini CLI
Amazon Q
Goose
Augment
n8n
API / cURL
AI SDK
TypeScript SDK
{
"mcpServers": {
"sixtyfour": {
"url": "https://sixtyfour.mcp.xpay.sh/mcp?key=YOUR_API_KEY"
}
}
}Or connect all tools
Access all tools (including Sixtyfour API) through a single MCP connection.
{
"mcpServers": {
"xpay": {
"url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
}
}
}Agent Discovery
Machine-readable catalogs for LLM agents and automation.
curl https://xpay.tools/llms.txt
curl https://xpay.tools/agents.txt
curl https://xpay.tools/skill.md
Pricing
Pay per tool call. No subscriptions.
4 Sixtyfour API tools availableFrequently Asked Questions
Sixtyfour API is an API provider available on xpay with 4 tools. Build custom research agents to enrich people and company data, and surface real-time signals all with a simple API call. All tools are pay-per-call with no monthly fees.
Sixtyfour API tools are priced at $0.10–$0.60 per call. You only pay when you use a tool — there are no subscriptions or monthly fees. New accounts get $5 in free credits to try any tool.
Each xpay provider has its own MCP endpoint. For Claude Code: claude mcp add --transport http sixtyfour "https://sixtyfour.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY". For Cursor/Windsurf/Cline/VS Code, add the same URL to mcp.json. To get every xpay provider in one connection, use https://mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY and discover tools with xpay_discover / xpay_run.
Sixtyfour API provides 4 tools: Sixtyfour Find Email, Sixtyfour Enrich Lead, Sixtyfour Enrich Company, Sixtyfour Find Phone Api. Each tool can be called independently and has its own per-call pricing.
No. With xpay, one API key gives you access to all 4 Sixtyfour API tools plus tools from many other providers. You don't need to sign up for Sixtyfour API's API directly — xpay handles authentication, billing, and rate limiting.
Yes. Every new xpay account gets $5 in free credits — no credit card required. Sign up at xpay.tools to start running Sixtyfour API tools immediately.