# Kickbox — MCP server on mcp.ai
> Connect your Kickbox account and use 2 tools for email straight from your AI agent. Connect with your own API key. Kickbox provides an API for real-time email verification, list cleaning, and quality scoring to ensure email deliverability.

By: mcp.ai · official
Page: https://mcp.ai/kickbox

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_kickbox?ms=1787296080000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/kickbox/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/kickbox/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/kickbox/skill.md
Postman collection (v2.1): https://mcp.ai/kickbox/postman.json

## Tools
- kickbox_check_disposable(domain_or_email: string) — Tool to check if an email address or domain is from a disposable email service. Use when you need to validate whether an email is temporary or throwaway (e.g., mailinator.com, trashmail.com). This is 
- kickbox_single_verification_api(email: string, timeout?: integer, webhook?: string, disable_catch_all?: boolean, timeout_parameter?: string) — Tool to verify a single email address via Kickbox. Use when you need real-time validation of an individual email before critical workflows.

## Example prompts
- "What can I do in Kickbox?"
- "Show me a summary of my Kickbox account"

## Links
Docs: https://mcp.ai/docs/mcps/kickbox
Website: https://mcp.ai/mcps/kickbox