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AffiliateWP VS ZIP Code API

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

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AffiliateWP logo AffiliateWP

A powerful affiliate marketing solution for WordPress.

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
  • AffiliateWP Landing page
    Landing page //
    2022-09-29
  • 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 — no separate APIs by country or data type.

What it does

  • Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly
  • Radius search — 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 — accepts US ZIP, ZIP+4, Canadian FSA, full Canadian postal codes, or latitude/longitude inputs
  • Autocomplete/typeahead — cities, counties, metros, states, FSAs, ZIPs
  • Point-to-point distance — between any two postal points
  • Census ACS demographics — 2011–2024, 542 fields per ZIP across income, education, housing, social, and economic profiles
  • Boundary lookups — Census tracts, congressional districts, state legislative areas, school districts — with computed intersection percentages per ZIP

What makes it different

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

Pricing

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

Resources

AffiliateWP features and specs

  • Integration
    AffiliateWP seamlessly integrates with popular eCommerce, membership, and form plugins like WooCommerce, Easy Digital Downloads, MemberPress, and more.
  • Ease of Use
    The interface is user-friendly, making it easy for both beginners and experienced users to set up and manage their affiliate programs.
  • Performance Tracking
    It offers robust tracking features that allow you to monitor referrals, affiliate registrations, and more, providing valuable insights.
  • Payout Management
    The plugin supports multiple payout methods, making it convenient to pay affiliates efficiently.
  • Extensibility
    With numerous add-ons available, AffiliateWP can be easily extended to include additional functionalities as needed.
  • Real-Time Reporting
    It provides real-time reporting, giving you up-to-date information about affiliate activities and earnings.
  • Developer-Friendly
    The plugin is developer-friendly with a range of hooks and filters, allowing customization to fit specific needs.
  • Customer Support
    AffiliateWP offers excellent customer support, including comprehensive documentation and responsive assistance.

Possible disadvantages of AffiliateWP

  • Cost
    The plugin can be relatively expensive, particularly for small businesses or startups with limited budgets.
  • Learning Curve
    Despite being user-friendly, some users may still encounter a learning curve, especially those unfamiliar with affiliate marketing.
  • Dependence on WordPress
    AffiliateWP is a WordPress plugin, which means it’s only available for WordPress-based sites, limiting its use for websites on other platforms.
  • Add-On Costs
    While the core plugin may cover basic needs, additional features often require paid add-ons, which can add up over time.
  • Limited Email Integration
    Email integration options are somewhat limited, which may necessitate additional plugins or tools for comprehensive email marketing campaigns.

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.

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

AffiliateWP videos

+ Add

Affiliate Program For WordPress - How To Use AffiliateWP [Tutorial]

More videos:

  • Review - Create an affiliate website with WordPress using AffiliateWP
  • Review - AffiliateWP WordPress Affiliate system plugin

ZIP Code API videos

No ZIP Code API videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

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

AffiliateWP

ZIP Code API

Affiliate Marketing
100 100%
Affiliate Marketing
0% 0
Zip Lookup
0 0%
Zip Lookup
100% 100
Business & Commerce
100 100%
Business & Commerce
0% 0
APIs
0 0%
APIs
100% 100

User comments

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

Based on our record, AffiliateWP seems to be more popular. It has been mentiond 7 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.

AffiliateWP mentions (7)

  • [HELP] affiliate plugins
    Https://affiliatewp.com is the most well-known. Source: about 3 years ago
  • How would you accomplish this? Referral fields
    Just making sure: have you been looking at Affiliate wp? Source: about 4 years ago
  • What Plugins Do I Need? Why is this so complicated?
    No, you don't. They are expensive and no more fully featured than many others. If you're spending - https://affiliatewp.com/. Source: about 4 years ago
  • Referral and other questions
    For the Affiliate question - https://affiliatewp.com/ is what most people use. Source: almost 5 years ago
  • Help! made site multilingual now page elements are missing.
    Have you checked out https://affiliatewp.com/ I don't think it has it baked in but this functionality can be custom coded to work with whichever affiliate plugin you would like to use. Source: almost 5 years ago
View more

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.

What are some alternatives?

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

ReferralMagic - Turn your users and customers into referral magnets.

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

Echo - Golang HTTP server framework

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

Everflow - Partner Marketing Platform - Track, Analyze & Automate

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

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