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ZIP Code API VS Relax

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

ZIP
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

Rating
0 reviews
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Alternatives Is it good?
Relax

Mutes your internal speakers when disconnecting headphones 🎧

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0 reviews
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Alternatives Is it good?
Thalam
OpenAI-compatible API gateway for GPT, Claude, Gemini, DeepSeek, Qwen, Kling and more. One key, one endpoint, one bill. Pay per token, no lock-in. sponsored

Which is more popular?

APIs popularity
100% vs 0%
alternatives listed
7 vs 40

Base details

Website, pricing, platforms and company facts side by side.

ZIP
ZIP Code API
Relax
Website zip-codes.com github.com
Company Startup from the United States · 2026 —
Listed in
APIs Developer Tools Geocoding Location Intelligence Address API Zip Lookup +3
CMS Developer Tools Blogging Platform Monitoring Tools +1

About ZIP Code API and Relax

In their own words, as submitted to SaaSHub.

ZIP
ZIP Code API
Relax

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...

Read more about ZIP Code API

No description of Relax yet.

Features and specs

What each product offers, as listed by its team.

ZIP
ZIP Code API 5 features
Relax 4 features
  • 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.
  • Ease of Use
    Relax provides a user-friendly interface that allows users to manage and create websites with minimal technical knowledge.
  • Customization
    The platform offers a high degree of flexibility and customization, making it easy for developers to tailor websites to specific needs.
  • Open Source
    Being open-source, Relax allows developers to contribute to its development and customize it beyond the standard features.
  • Active Community
    Relax benefits from a vibrant community that contributes plugins and extensions, enhancing the functionality of the platform.

Possible disadvantages

  • Limited Documentation
    Some users might find the documentation incomplete or lacking detail, making it harder to fully utilize all features.
  • Performance
    As with many complex platforms, Relax might experience performance issues, particularly on lower-end servers.
  • Learning Curve
    Though user-friendly for basic tasks, more advanced customization can require a steep learning curve for new developers.
  • Maintenance
    The project may not be as actively maintained as some proprietary platforms, which could lead to outdated features or security risks.

Analysis

An editorial look at what each product does well and who it suits.

ZIP
ZIP Code API
Relax

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

No analysis of Relax yet.

Videos

Walkthroughs and reviews on video.

ZIP
ZIP Code API 0 videos + Add
Relax 3 videos + Add

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

Mega Man: All Type Robot Masters - RELAX•REVIEW

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Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
ZIP
ZIP Code API
Relax
100% 100%
APIs
0% 0%
57% 57%
Developer Tools
43% 43%
100% 100%
Zip Lookup
0% 0%
0% 0%
CMS
100% 100%

User comments

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