sish VS ZIP Code API

• Open Source
  sish is open-source, allowing users to inspect, modify, and contribute to the project's codebase.
• Self-Hosted
  Users can host their own instance of sish, giving them complete control over their tunneling service and associated data.
• Simple Setup
  The installation and setup process for sish is straightforward, requiring minimal configuration to get started.
• Custom Subdomains
  sish allows users to utilize custom subdomains for their tunnels, enhancing branding and easier access.
• Security Features
  Built-in support for TLS and authentication options, ensuring that tunnels are secure and accessible only to authorized users.
• Portability
  sish supports multiple platforms, allowing it to be used in various environments such as local development, testing, or cloud deployment.

Possible disadvantages

• Self-Management
  Users need to manage their own server and configurations, which can require additional maintenance and oversight compared to managed services.
• Resource Consumption
  Hosting your own instance of sish requires computational resources, which could be a con if the service is heavily used.
• Complexity for Non-Developers
  Non-developers might find the setup and maintenance process challenging without prior experience in server management and configuration.
• Limited Community Support
  As a niche project, sish may not have as large of a community or as many resources available for troubleshooting as more popular alternatives.
• No Built-In Analytics
  Unlike some other tunneling services, sish does not provide built-in analytics or monitoring tools, requiring users to implement their own solutions.

• Comprehensive ZIP Code Data
  The ZIP Code API from zip-codes.com provides extensive data including ZIP code details, city information, state data, and geographic coordinates, making it a thorough resource for location-based lookups.
• Multiple Lookup Options
  The API supports various types of lookups including ZIP code to city/state, city/state to ZIP code, distance calculations between ZIP codes, and radius searches, offering flexible querying capabilities.
• Easy Integration
  The API uses standard REST-based HTTP requests and returns data in commonly used formats like JSON and XML, making it straightforward to integrate into most applications and programming languages.
• Distance and Radius Calculations
  The API includes built-in functionality for calculating distances between ZIP codes and finding ZIP codes within a specified radius, which is valuable for store locators, shipping estimates, and proximity-based features.
• Well-Documented Endpoints
  The API provides clear documentation for its various endpoints and parameters, helping developers understand available features and implement them correctly without extensive trial and error.

• Self-hosted HTTP tunnels with SSH and Nginx

  A number of years ago, I created a fully open source (MIT) project called sish [0] that does just this. Sish is a SSH server written specifically for tunneling. You get all of the benefits of SSH, but also automatic TLS, a web console of... - Source: Hacker News / about 1 month ago

• Best Ngrok Alternatives in 2025

  Sish is an SSH-based solution that is simple to deploy and use. - Source: dev.to / about 1 year ago

• Pico.sh (The ultimate SSH powered services for developers)

  We’re actually using Unix sockets as the underlying transport layer for this. We’re also not using sshd, we custom wrote our own daemon that’s entire job is tunneling. If you’re curious about this, you can find the project here:... - Source: Hacker News / over 1 year ago

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Tracking ZIP Code API since May 2026.