# Invalid Bounce — MCP server on mcp.ai
> Connect your Invalid Bounce account and use 1 tools for email straight from your AI agent. Connect with your own API key. Invalid Bounce verifies email addresses through a bulk verification API.

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

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_invalid_bounce?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/invalid_bounce/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/invalid_bounce/<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/invalid_bounce/skill.md
Postman collection (v2.1): https://mcp.ai/invalid_bounce/postman.json

## Tools
- invalid_bounce_start_bulk_verification(emails: string[]) — Irreversibly start an asynchronous email-verification job using the connected account's verification quota. This action returns job acceptance and an ID, not per-email results.

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

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