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ZIP Code API VS Martechbase

Compare ZIP Code API VS Martechbase 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

Martechbase logo Martechbase

A searchable database of 7,000+ marketing tools
  • 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

  • Martechbase Landing page
    Landing page //
    2023-05-13

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.

Martechbase features and specs

  • Comprehensive Database
    Martechbase offers a wide-ranging database of marketing technology resources, helping businesses find the right tools and vendors efficiently.
  • User-Friendly Interface
    The platform features an intuitive interface, making it accessible for users to navigate and locate necessary information quickly.
  • Up-to-date Information
    Martechbase regularly updates its listings and resources to ensure users have access to the latest market information and technology trends.
  • Diverse Categories
    The platform organizes tools into diverse categories, catering to various aspects of marketing technology, from automation to analytics.

Possible disadvantages of Martechbase

  • Limited Free Access
    While Martechbase provides valuable resources, much of the detailed information is behind a paywall, limiting free users' access.
  • Potential Overwhelm
    The extensive database might overwhelm new users who may not have a clear idea of what they are looking for in terms of marketing technology solutions.
  • Varied Quality of Listings
    The quality and depth of information about different tools and vendors can be inconsistent, affecting the reliability of some entries.
  • Navigation for Specific Needs
    Users with highly specific needs might find it challenging to locate niche tools quickly due to the broad categorization and sheer volume of listings.

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 Martechbase)

ZIP Code API

Martechbase

APIs
100 100%
APIs
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Software Marketplace
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Software Marketplace
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Zip Lookup
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Zip Lookup
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Contract Management
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Contract Management
100% 100

User comments

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What are some alternatives?

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

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

Remote Tools - A repository of handpicked tools for remote teams

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

Startup Stash - A curated directory of 400 resources & tools for startups

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

CabinetM - Pinterest for marketing tools: find, compare and build stack

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