Expose localhost to the internet — public tunnels, webhook capture, and automatic HTTPS. A native macOS app for developers, plus a pay-as-you-go CLI your AI agents drive themselves.

Stop juggling ngrok, mkcert, and a dozen terminal tabs. OtterKit gives you unlimited .localhost domains, unlimited public tunnels, unlimited webhooks, auto HTTPS, and traffic inspection - all in one native macOS app. Zero config.