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Taupi vs ngrok — which localhost tunnel should you use?

Detailed comparison of taupi and ngrok covering pricing, setup, free tiers, features, and when each tool is the better choice.

Taupi vs ngrok

ngrok defined the localhost tunneling category. It launched in 2014, built a large ecosystem around HTTP and TCP tunnels, and expanded into API gateway territory with edge middleware, OAuth, and traffic policies. If you search "expose localhost to the internet," ngrok is the first result.

Taupi is a newer, narrower tool. It does HTTP tunnels with less setup, no mandatory account, and a lower price point. It does not try to be an API gateway or an enterprise ingress controller.

This page is a thorough, honest comparison. ngrok is the stronger product in several areas. Taupi is the simpler, cheaper one in the areas most individual developers actually need.

Install and first tunnel — side by side

The fastest way to understand the difference is to start from a fresh machine and get a public URL for a local server.

Taupi:

# 1. Install (single binary, no runtime dependencies)
curl -fsSL https://get.taupi.dev | sh

# 2. Start a tunnel — no account, no auth token
taupi http 3000
# => https://abc123.taupi.dev -> http://localhost:3000

Two commands. No browser required. No email, no signup form, no auth token to copy-paste. The tunnel is live in seconds.

ngrok:

# 1. Sign up at https://dashboard.ngrok.com/signup (browser required)

# 2. Install
# macOS:   brew install ngrok
# Linux:   snap install ngrok   (or download from ngrok.com/download)

# 3. Add your auth token (from the ngrok dashboard)
ngrok config add-authtoken 2cJz9xK4F_7h...

# 4. Start a tunnel
ngrok http 3000
# => https://a1b2-203-0-113-42.ngrok-free.app -> http://localhost:3000

Four steps. The signup and auth-token step requires switching to a browser, creating an account, and copying a token. It takes 2-5 minutes depending on how fast you verify your email.

The extra steps are not difficult. But they matter in specific situations: pair-programming sessions where you need a URL now, workshops where 30 attendees need tunnels simultaneously, CI environments where you want to avoid storing credentials, or just the annoyance of creating yet another account for a developer tool.

Feature comparison

Taupi Free Taupi Pro ($5/mo) ngrok Free ngrok Personal ($8/mo)
Account required No Yes Yes Yes
Auth token setup Not needed Yes Yes Yes
Tunnels / agents 1 5 simultaneous 1 agent 1 agent
Session duration 5 minutes Unlimited Unlimited Unlimited
Custom subdomains No 20 No (1 static domain on free) Custom domains
HTTPS Yes, automatic Yes, automatic Yes, automatic Yes, automatic
HTTP request inspection No Yes Yes (local inspector) Yes
Request replay No No Yes Yes
TCP tunnels No No No (paid only) No (Pro $20/mo+)
TLS tunnels No No No No (Pro $20/mo+)
IP restrictions No No No No (Pro $20/mo+)
OAuth at the edge No No No No (Pro $20/mo+)
Webhook verification No No No Yes
Traffic policy / middleware No No No Limited
API gateway features No No No Limited
Kubernetes ingress No No No No (Enterprise)
Python / Go SDK No No Yes Yes
Binary size ~10 MB ~10 MB ~25 MB ~25 MB
Runtime dependencies None None None None
Annual pricing Free $50/yr ($4.17/mo) Free $96/yr

A few things stand out:

  • ngrok's most compelling features (TCP tunnels, IP restrictions, OAuth at the edge, traffic policies) require the Pro tier at $20/month or higher. The $8/month Personal tier is closer in scope to taupi Pro.
  • Taupi gives you 5 simultaneous tunnels and 20 custom subdomains at $5/month. ngrok's $8/month Personal plan gives you 1 agent and 1 custom domain.
  • ngrok's free tier has no session time limit, which is a real advantage over taupi's 5-minute cap. But ngrok's free tier requires account creation and shows an interstitial warning page to visitors.

Where ngrok wins

TCP and TLS tunnels. ngrok can expose any TCP service: databases, SSH, game servers, SMTP, custom protocols. Taupi only handles HTTP. If you need to give a collaborator SSH access to your machine or expose a PostgreSQL port for a remote tool, ngrok handles it and taupi cannot.

Request replay. ngrok's local inspector (http://localhost:4040) lets you capture HTTP requests and replay them against your server. When you are debugging a Stripe webhook and don't want to trigger a new event every time you change a line of code, replay is a significant time-saver. Taupi's inspector shows request/response details but does not support replay.

Edge middleware and OAuth. On higher-tier plans, ngrok can add Google/GitHub/Okta OAuth in front of your tunnel without changing your application code. It can enforce IP allowlists, add request/response headers, and run traffic policy rules. This turns ngrok into a lightweight API gateway sitting in front of your local server.

Ecosystem and integrations. ngrok has a Python agent SDK, a Go SDK, a Kubernetes ingress controller, Terraform provider, and documented integrations with dozens of platforms. If you are building automation around tunnels or embedding tunnel functionality into your own tools, ngrok has more surfaces to work with.

Enterprise features. For teams that need SSO, audit logs, centralized tunnel management, and compliance certifications, ngrok has an Enterprise tier. Taupi does not target the enterprise market.

Free tier session length. ngrok's free tunnels stay up indefinitely (as long as the agent runs). Taupi's free tunnels expire after 5 minutes. For a developer who wants a free, long-running tunnel and doesn't mind the signup, ngrok's free tier is more practical.

Where taupi wins

Zero-auth start. No signup, no email verification, no auth token. On a brand-new machine, you can have a working tunnel in under 30 seconds. This is the single biggest differentiator and it matters more than it sounds. When you are in the middle of debugging and need a public URL, every step between you and that URL is friction.

Simpler mental model. Taupi does one thing: HTTP tunnels. There is no dashboard to log into, no team management, no traffic policies to understand, no agent vs. endpoint distinction. The CLI surface is small, the documentation is short, and the tool stays out of your way.

Lower cost for individual developers. Taupi Pro costs $5/month or $50/year. ngrok Personal costs $8/month ($96/year). Both cover the core use case for solo developers: custom subdomains, persistent tunnels, HTTPS. The $36/year difference is modest, but taupi also gives you 5 simultaneous tunnels versus ngrok's 1 agent, and 20 custom subdomains versus ngrok's 1 domain at that tier.

More tunnels per dollar. Five simultaneous tunnels on taupi Pro means you can expose your frontend, your API, your webhook receiver, your admin panel, and a docs site all at once. On ngrok Personal, you get one agent (which can run one tunnel on one port).

Migrating from ngrok to taupi

If you have existing scripts or CI configs that use ngrok, here are the equivalents.

Basic tunnel:

# ngrok
ngrok http 3000

# taupi
taupi http 3000

Custom subdomain:

# ngrok (requires paid plan + configured domain)
ngrok http --domain=myapp.ngrok.dev 3000

# taupi (requires Pro)
taupi http 3000 --subdomain myapp
# => https://myapp.taupi.dev

Specifying a local host other than localhost:

# ngrok
ngrok http https://localhost:8443

# taupi
taupi http https://localhost:8443

Environment variables in CI:

# ngrok: needs NGROK_AUTHTOKEN set
NGROK_AUTHTOKEN=xxx ngrok http 3000

# taupi free tier: no auth needed
taupi http 3000

# taupi Pro: set your token
TAUPI_TOKEN=xxx taupi http 3000

Features that do not have taupi equivalents: TCP tunnels (ngrok tcp 22), TLS tunnels, traffic policies, IP restrictions, OAuth edge auth, request replay. If you depend on any of these, taupi is not a drop-in replacement.

When to pick each one

Pick taupi if you want the shortest path from install to working tunnel. You work solo or in a small team. You need HTTP tunnels for webhook testing, demo sharing, mobile app development against a local API, or OAuth callback testing. You dislike creating accounts for dev tools. You want something cheap and simple that does its one job well.

Pick ngrok if you need TCP tunnels, edge-level authentication, IP restrictions, request replay, or enterprise controls. You are building automation that embeds tunnel functionality via an SDK. Your organization has compliance requirements that demand audit logs and centralized management. You need the larger ecosystem and community support.

For many individual developers, both tools work fine. The decision often comes down to whether you need ngrok's power features or prefer taupi's simplicity. If you are unsure, taupi's free tier takes 30 seconds to try with no commitment — no account to delete if you don't like it.