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ZIP Code API VS XML-Sitemaps.com

Compare ZIP Code API VS XML-Sitemaps.com and see what are their differences

HasData
HasData is a top web scraping platform for developers and enterprises. It delivers structured, real-time data from the web using scalable APIs and no-code tools, removing the need to manage proxies, browsers, or anti-bot systems. featured
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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

XML-Sitemaps.com logo XML-Sitemaps.com

Free Online Google Sitemap Generator.
  • 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

  • XML-Sitemaps.com Landing page
    Landing page //
    2021-10-10

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.

XML-Sitemaps.com features and specs

  • Ease of Use
    The platform provides a straightforward and user-friendly interface, making it accessible even for individuals with limited technical knowledge.
  • No Installation Required
    XML-Sitemaps.com operates online, eliminating the need for any software installation on your computer or server.
  • Customizable Options
    Users can tailor the sitemap parameters to their specific needs, such as changing frequency and priority settings for different pages.
  • Free Basic Service
    The site offers a free version that is suitable for generating smaller sitemaps, which can be a cost-effective solution for small websites.
  • Multiple Formats
    It provides sitemaps in various formats beyond XML, such as ROR, Text, and HTML.

Possible disadvantages of XML-Sitemaps.com

  • Limited Free Version
    The free version has constraints, like a limited number of pages allowed, which may not be sufficient for larger websites.
  • Possible Cost
    Accessing advanced features and capabilities requires a paid subscription, which could be a drawback for users on a tight budget.
  • Online Dependency
    As an online service, it requires internet access to use, which may not be ideal in offline scenarios or for usage without consistent connectivity.
  • Lack of Advanced SEO Features
    While it covers basic sitemap generation efficiently, it may lack more advanced SEO tools that might be available in comprehensive SEO software suites.
  • File Size Limitations
    There may be restrictions on the file size you can generate with the free version, which could require splitting larger sites into multiple sitemaps.

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

Category Popularity

0-100% (relative to ZIP Code API and XML-Sitemaps.com)

ZIP Code API

XML-Sitemaps.com

Zip Lookup
100 100%
Zip Lookup
0% 0
Design Tools
0 0%
Design Tools
100% 100
APIs
100 100%
APIs
0% 0
Visual Sitemaps
0 0%
Visual Sitemaps
100% 100

User comments

Share your experience with using ZIP Code API and XML-Sitemaps.com. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, XML-Sitemaps.com seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

ZIP Code API mentions (0)

We have not tracked any mentions of ZIP Code API yet. Tracking of ZIP Code API recommendations started around May 2026.

XML-Sitemaps.com mentions (2)

  • SEO Tools the best out there. Try these
    XML-Sitemaps.com Http://www.xml-sitemaps.com/ Sitemaps XML-Sitemaps offers probably the easiest sitemap creation solution anywhere. Great for smaller sites when you need a sitemap in minutes. Source: over 3 years ago
  • Sitemaps and Blog owners
    Xml-sitemaps.com Just enter your domain, let it crawl and download. Source: over 5 years ago

What are some alternatives?

When comparing ZIP Code API and XML-Sitemaps.com, you can also consider the following products

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

A1 Sitemap Generator - A1 Sitemap Generator has been in active development and sold since 2005.

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

DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.

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

PowerMapper - Create visual HTML site maps and XML sitemaps for search engines of any web site quickly and easily.

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