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ZIP Code API VS OneTracker

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

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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. 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

OneTracker logo OneTracker

OneTracker โ€“ Package Tracker is an app by OneTracker Team that helps users track all their delivery vehicles and staff to increase the productivity of their delivery business.
  • 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

  • OneTracker Landing page
    Landing page //
    2021-06-14

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.

OneTracker features and specs

  • Multi-carrier Support
    OneTracker supports a wide range of carriers worldwide, making it convenient to track various shipments regardless of the delivery service used.
  • Privacy-focused
    The app does not require users to sign up, ensuring that their personal data is not collected or shared, which enhances privacy.
  • User-friendly Interface
    The app features a clean and intuitive interface that makes it easy for users to input and track their packages.
  • Notifications
    OneTracker provides real-time notifications and updates on the status of your shipments, helping you stay informed without needing to constantly check manually.
  • Multi-platform Availability
    The app is available on both iOS and Android platforms, allowing a wider range of users to benefit from its features.

Possible disadvantages of OneTracker

  • Limited Free Features
    Some advanced features may be locked behind a paywall, requiring users to subscribe to a premium service for full functionality.
  • Dependent on Carrier Update Frequency
    The accuracy and timeliness of updates can vary depending on how frequently the carriers update their tracking information.
  • No Web-based Version
    Currently, there's no web-based version, which may be inconvenient for users who prefer managing their shipments on a desktop computer.
  • Notification Customization
    The options to customize notifications might be limited, which could lead to either too many or too few alerts depending on user preferences.

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

Analysis of OneTracker

Overall verdict

  • Overall, OneTracker is a solid choice for users looking for a comprehensive package tracking application. Its user-friendly interface and broad carrier support make it a reliable option for both casual shoppers and more serious logistics needs.

Why this product is good

  • OneTracker is a useful tool for those who need a centralized way to track multiple package shipments. It supports a wide range of carriers and provides real-time tracking updates, which can be convenient for users who frequently shop online or manage business logistics. The app also offers features like email forwarding for automatic shipment tracking and the ability to categorize shipments, enhancing its usability.

Recommended for

  • Frequent online shoppers who need to keep track of multiple deliveries.
  • Small business owners managing logistics and multiple shipments.
  • Users who prefer a clutter-free tracking experience with automatic updates.

Category Popularity

0-100% (relative to ZIP Code API and OneTracker)

ZIP Code API

OneTracker

Zip Lookup
100 100%
Zip Lookup
0% 0
Shipping and Tracking
0 0%
Shipping and Tracking
100% 100
APIs
100 100%
APIs
0% 0
Office & Productivity
0 0%
Office & Productivity
100% 100

User comments

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What are some alternatives?

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

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

AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.

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

TrackChecker Mobile - TrackChecker Mobile app features tracking of parcels and online orders, so users donโ€™t have to worry about losing a package by tracking the parcel right on their mobile phone screen.

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

Track24 - Track24 app assists you in tracking the packages of more than 600 international courier and postal services from all around the globe.

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