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ngrok Documentation

Welcome to the ngrok documentation. ngrok is the fastest way to host your service on the internet and these docs are the fastest way to answer any questions you have about using ngrok.

The documentation is organized into categories designed for different purposes. If you're just learning about ngrok, our Getting Started Guide is probably the best place to begin.

Are you coming from a previous version of ngrok? Check out our ngrok v2 to v3 upgrade guide.

If you're trying to accomplish something specific, check out our guides for things like securing your tunnel and setting up custom domains.

If you're trying to use ngrok with a specific technology, check out our using ngrok with section for help with using ngrok with WordPress, Docker, or SSH.

If you're an expert at ngrok, but just need some quick reference, check out our reference documentation for the ngrok API or ngrok agent.