# Invalid Bounce MCP

Vendor: Invalid Bounce  
Category: other  
Auth: API_KEY  
Composio slug: `invalid_bounce`

Invalid Bounce verifies email addresses through a bulk verification API.

## Tools

- **Start Bulk Email Verification** — 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.

## Setup

1. Create or open a Switchy Project.
2. Open Integrations and connect Invalid Bounce.
3. Authorise through api_key.
4. Teammates can now @-mention Invalid Bounce tools in chat.

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Last verified: 2026-09-04T02:00:56.012Z  
Canonical URL: https://switchy.build/directory/mcps/invalid-bounce