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ZIP Code API VS Solunar

Compare ZIP Code API VS Solunar and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

ZIP Code API logo ZIP Code API

REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Solunar logo Solunar

Solunar is an app that helps you to find out the best fishing and hunting times for any date across the world.
  • ZIP Code API Landing page
    Landing page //
    2026-05-21

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America โ€” no separate APIs by country or data type.

What it does

  • Address validation and standardization โ€” production-grade parser with ZIP+4 append, refreshed monthly
  • Radius search โ€” centroid haversine and true spatial polygon intersection. Returns ZIPs/FSAs within range, with per-result pct_inside overlap percentage for spatial queries
  • Unified lookup endpoint โ€” accepts US ZIP, ZIP+4, Canadian FSA, full Canadian postal codes, or latitude/longitude inputs
  • Autocomplete/typeahead โ€” cities, counties, metros, states, FSAs, ZIPs
  • Point-to-point distance โ€” between any two postal points
  • Census ACS demographics โ€” 2011โ€“2024, 542 fields per ZIP across income, education, housing, social, and economic profiles
  • Boundary lookups โ€” Census tracts, congressional districts, state legislative areas, school districts โ€” with computed intersection percentages per ZIP

What makes it different

  • Licensed commercial data โ€” not commodity or scraped sources
  • Canadian postal coverage โ€” most peers in this space are US-only
  • True spatial radius โ€” not just centroid haversine
  • 14 years of historical ACS depth via API โ€” unusual outside of raw Census downloads
  • One endpoint for all of North America โ€” no country-detection or input-routing logic to maintain on the client side

Pricing

  • Free โ€” 2,500 lookups/day, no credit card required, no expiry
  • Developer โ€” $49/mo, 100K credits, 300/min
  • Professional โ€” $149/mo, 350K credits, 300/min
  • Business โ€” $499/mo, 1.5M credits, 600/min
  • Credit packs โ€” one-time, from 25K ($19) up to 2M ($799)

Resources

  • Solunar Landing page
    Landing page //
    2020-05-09

ZIP Code API features and specs

  • 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.

Solunar features and specs

  • User-Friendly Interface
    Solunar offers a clean and intuitive interface, making it easy for users to navigate through the app and access features without much effort.
  • Accurate Solunar Data
    The app provides reliable solunar tables that give users detailed information about fish and wildlife activity periods, increasing users' chances of successful outings.
  • Customizable Features
    Solunar allows users to customize settings based on their location and preferences, ensuring personalized and relevant data.
  • Offline Accessibility
    The app can function offline once data is downloaded, making it useful for remote locations without internet access.

Possible disadvantages of Solunar

  • Limited Free Version
    While Solunar offers a free version, many advanced features are locked behind a paywall, limiting accessibility for those who don't purchase the full version.
  • Device Compatibility
    Some users have reported compatibility issues with certain devices, leading to performance problems or inability to install the app.
  • In-App Advertisements
    The presence of ads in the free version can be intrusive and diminish the overall user experience, distracting users from the appโ€™s core functions.
  • Reliance on Permission
    The app requires multiple permissions to function properly, which might be concerning for users who prioritize privacy.

Analysis of ZIP Code API

Overall verdict

  • ZIP Code API from zip-codes.com is a solid, reliable choice for developers and businesses needing accurate US and Canadian postal code data, offering a straightforward RESTful interface with regularly updated databases.

Why this product is good

  • Provides accurate and frequently updated ZIP code, city, state, and geographic data
  • Offers a simple RESTful API that is easy to integrate into web and mobile applications
  • Supports features like ZIP code lookup, radius search, and distance calculations
  • Includes both US ZIP codes and Canadian postal codes for broader coverage
  • Backed by an established data provider with a long track record in postal data

Recommended for

  • Developers building address validation or autofill features
  • E-commerce platforms needing shipping and location-based calculations
  • Businesses performing geographic or radius-based store locators
  • Applications requiring reliable US and Canadian postal data
  • Marketing and logistics teams that need regional or demographic targeting

ZIP Code API videos

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Solunar videos

+ Add

Fishing and Hunting Solunar Time App - Review and Walkthrough

More videos:

  • Review - Solunar Calendar? -- It works.
  • Review - Fishing & Hunting Solunar Time App Review | Urdu Hindi | #FishnFisherman

Category Popularity

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User comments

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What are some alternatives?

When comparing ZIP Code API and Solunar, you can also consider the following products

Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.

Time2Hunt Lite - Time2Hunt Lite is one of the best mobile apps that allow you to use solar/lunar data to determine the best time to go fishing or hunting.

Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack

Fishing & Hunting Solunar Time - Fishing & Hunting Solunar Time is one of the best mobile apps offered by ANTON NIKITIN that helps you to make your hunting and fishing extremely useful.

PostalDataPI - The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

Antler Insanity - Antler Insanity is an app designed for the serious outdoorsman to helps them to know the wind speed and direction of their favorite places.

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