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 $0.1–$0.6 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.
Add xpay's MCP server to your AI client (Claude Code, Cursor, VS Code, Windsurf, or Cline) with the endpoint: https://mcp.xpay.sh/mcp?key=YOUR_API_KEY. Once connected, use xpay_discover to find Sixtyfour API tools, then xpay_run to execute them. For Claude Code: claude mcp add --transport http xpay "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
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 pricing.
No. With xpay, one API key gives you access to all 4 Sixtyfour API tools plus 1000+ tools from 80+ 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. You can use these credits to try any Sixtyfour API tool — no credit card required. Sign up at xpay.tools to get started.