Bouncebuster

What it does

Bouncebuster is a real-time email verifier that helps you fight bounce & increase email deliverability. Verify email addresses before sending and protect your domain reputation.

Clean your email list before you send. Remove hard bounces, spam traps, disposable and catch-all addresses. Simple pricing, a fast API, CLI and MCP.

Bouncebuster removes hard bounces, spam traps, disposable and catch-all addresses so your emails reach real inboxes. Upload a list, get a cleaned file back - with a fast API, CLI and MCP, at a fraction of the price of the big names. High bounce rates get you throttled or blocklisted. Remove bad addresses before they cost you the inbox. One credit per billable result. Duplicates and “unknown” results are always free. A clean REST API, a CLI, and an MCP server so you can verify from anywhere - scripts, apps, or your AI agent. Verify a single address or millions. Authenticate with a Bearer key, get JSON back. The same account powers our command-line tool and a Model Context Protocol server for…from bouncebuster.io

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