ZIP Code API VS Zipcodestack

• 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.

• Comprehensive Data Coverage
  Zipcodestack provides extensive data coverage for postal codes, allowing users to access detailed information about demographics, geography, and more.
• Easy Integration
  The platform offers user-friendly APIs that make it easy to integrate postal code data into various applications, thereby simplifying the development process.
• Real-time Updates
  Zipcodestack ensures that the data is constantly updated in real-time, providing users with the most accurate and current information available.
• Customer Support
  Highly responsive customer support assists users with any issues or questions, ensuring a smooth user experience.

Possible disadvantages

• Cost
  Some users might find the pricing model to be on the higher side, especially for small businesses or individual developers with limited budgets.
• Learning Curve
  While the platform is comprehensive, it might require some time for new users to fully understand and utilize all its features effectively.
• Dependency on Internet
  As an online platform, Zipcodestack requires a stable internet connection; disruptions in connectivity can impede access to data.
• Limited Offline Functionality
  The platform has limited capabilities for offline use, which might be a drawback for applications requiring offline access to data.

Tracking ZIP Code API since May 2026.

• Validating Postal Codes Worldwide in Node.js – Challenges & Solutions with zipcodestack API

  Using the zipcodestack API in your Node.js application is straightforward. You’ll first need to sign up for a free API key (it only takes a minute). Once you have your API key, you can call the REST endpoints using any HTTP client. Below... - Source: dev.to / about 1 year ago

• A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

  Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month. - Source: dev.to / over 2 years ago

• I have a column in google sheets with ZIP codes. How do i put a column next to it that will automatically fill with what city is associated with that zip code?

  I have seen this request pop up quite a few times. I did a quick search for free APIs of zipcode lookups. This one, named "zipcodestack" (I'm not in any way tied to, endorsing, or promoting them) seemed like a pretty good resource with... Source: over 3 years ago