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ZIP Code API VS Wp-client

Compare ZIP Code API VS Wp-client 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

Wp-client logo Wp-client

Wp-client is the WordPress plugin for businesses that allows teams to do project management professionally and focus fully.
  • 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

  • Wp-client Landing page
    Landing page //
    2022-03-31

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.

Wp-client features and specs

  • Comprehensive Features
    WP-Client offers a wide range of features such as client portals, invoicing, file sharing, and secure messaging, which cater to various business needs and enhance client management efficiency.
  • User-Friendly Interface
    The plugin is designed to be user-friendly, making it easy for users with different skill levels to navigate and utilize its functionalities without steep learning curves.
  • Customization Options
    WP-Client allows extensive customization, enabling users to tailor client portals and other features to match their brand's identity and specific requirements.
  • Seamless WordPress Integration
    As a WordPress plugin, WP-Client integrates smoothly with existing WordPress sites, ensuring compatibility and leveraging the WordPress infrastructure.
  • Regular Updates and Support
    The developers offer regular updates and customer support, helping ensure that the plugin remains secure and up-to-date with the latest WordPress versions.

Possible disadvantages of Wp-client

  • Cost
    WP-Client is a premium plugin, and the cost may be a concern for small businesses or individual users with limited budgets.
  • Complexity for Basic Needs
    For users who only need basic client management functionality, WP-Client might be complex or offer more features than required, potentially leading to underutilization.
  • Learning Curve
    Despite its user-friendly design, the breadth of features can result in a learning curve for users unfamiliar with similar tools or new to WordPress plugins.
  • Dependency on WordPress
    As a WordPress-specific plugin, WP-Client depends entirely on the WordPress platform, which may not suit businesses intending to use alternative content management systems.

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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Wp-client videos

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WP-Client // WordPress Client Portal Plugin // Getting Started // Getting the plugin activated

Category Popularity

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

ZIP Code API

Wp-client

Zip Lookup
100 100%
Zip Lookup
0% 0
Office & Productivity
0 0%
Office & Productivity
100% 100
APIs
100 100%
APIs
0% 0
Tool
0 0%
Tool
100% 100

User comments

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

Based on our record, Wp-client seems to be more popular. It has been mentiond 6 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.

Wp-client mentions (6)

  • Is it possible to use Woocommerce to deliver dynamic downloadable links?
    Iโ€™ve never used any, but this looks like it does what you need: https://wp-client.com/. Source: about 3 years ago
  • Employee Portal Plugin? or is There a Better Solution
    Have you looked at this - https://wp-client.com/ ? Source: over 4 years ago
  • Community site (need your opinion)
    You should look at WordPress CRMs or Client Portals. Lots to choose from with varying price ranges. Example: https://wp-client.com/. Source: over 4 years ago
  • Looking for a simple client/member directory plugin
    Woocom would be over doing it. You could build CPTs with ACF or just use something like https://wp-client.com/. Source: over 4 years ago
  • Client portals
    The only one I can find that suits my needs is http://wp-client.com but it looks a bit outdated. Awesome Support could work but I feel a ticket system is unprofessional. Others are more focused on memberships/freelancers/support systems rather than a client portal. Source: almost 5 years ago
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What are some alternatives?

When comparing ZIP Code API and Wp-client, you can also consider the following products

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

MainWP - A Free, Open-source, & Self-hosted one-stop solution to manage Unlimited WordPress websites from a single dashboard. MainWP is the only management plugin with 2000+ โญโญโญโญโญ reviews on WP.org

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

Jetpack - Jetpack offers SEO and security plugins for Wordpress.

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

WP User Manager - The most customizable profiles, community builder and membership WordPress plugin

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