InstaTunnel is a secure localhost tunnel service for developers who need a fast ngrok alternative for webhook testing, MCP endpoint tunneling, OAuth callback testing, and demo links.

Website: https://instatunnel.my

• HTTPS tunnel for localhost in one command
• Custom subdomains on *.instatunnel.my
• CLI + web dashboard workflow
• Built-in analytics and request logs
• MCP tunnel support for AI tooling workflows
• Better pricing for frequent webhook and API testing

npm install -g instatunnel

Verify:

instatunnel --version

Update:

npm install -g instatunnel@latest

1. Create or recover account access:

instatunnel auth login -e you@example.com

2. Save your API key locally:

instatunnel auth set-key "it_your_api_key"

3. Run a localhost tunnel:

instatunnel 3000 --subdomain myapp

4. Optional: confirm saved key:

instatunnel auth show-key --reveal --copy

For MCP streaming endpoints, use transport v2:

instatunnel 8787 --mcp --transport v2 --subdomain mymcp

Use the generated URL in your MCP client config:

{
  "url": "https://mymcp.instatunnel.my/mcp",
  "headers": {
    "Authorization": "Bearer YOUR_MCP_TOKEN"
  }
}

• Local webhook testing for Stripe, GitHub, Shopify, Twilio, PayPal
• OAuth callback development on localhost
• Sharing local QA/demo builds with teammates
• Exposing local MCP servers securely over HTTPS
• Temporary public API endpoint for integration tests

If you are searching for terms like ngrok alternative, localhost tunnel, secure tunnel, webhook testing tool, or MCP tunnel, InstaTunnel is designed for those exact workflows with a CLI-first experience and lower-cost paid plans.

• Docs hub: https://instatunnel.my/docs
• CLI flags guide: https://instatunnel.my/docs/cli-flags
• Webhook testing guides: https://instatunnel.my/docs/webhooks
• MCP guide: https://instatunnel.my/docs#features-mcp-usage
• Troubleshooting: https://instatunnel.my/docs/troubleshooting
• Pricing: https://instatunnel.my/pricing
• Changelog: ./CHANGELOG.md

Local docs in this repo:

• docs/quickstart.md
• docs/configuration.md
• docs/webhooks.md
• docs/mcp.md
• docs/troubleshooting.md

• Support email: support@instatunnel.my
• GitHub issues: https://github.com/instatunnel/instatunnel/issues

This public repository is focused on the InstaTunnel CLI docs and user-facing setup material. Managed service infrastructure and internal platform services run in private repositories.

MIT. See ./LICENSE