Software Alternatives, Accelerators & Startups

jQuery UI VS PostalDataPI

Compare jQuery UI VS PostalDataPI and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

jQuery UI logo jQuery UI

Curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library

PostalDataPI logo PostalDataPI

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
  • jQuery UI Landing page
    Landing page //
    2021-10-17
  • PostalDataPI Landing page
    Landing page //
    2026-04-08

PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate โ€” $0.000028 per query with no tiers or subscriptions.

What you get back: Up to 18 metadata fields per postal code โ€” city, state/region, coordinates, timezone, three levels of administrative hierarchy, elevation, and more. Sub-5ms cached responses.

Works everywhere: US ZIP codes, UK postcodes, German PLZ, Japanese postal codes, Canadian FSAs, and 230+ more. Format normalization handles case, spacing, and hyphen variations automatically.

Get started in 60 seconds: 1,000 free queries on signup, no credit card required. SDKs for Python and Node.js. MCP server for AI agents (Claude, Cursor, etc.).

Built for developers: REST API, consistent JSON responses across all countries, OpenAPI spec, llms.txt for AI agent discovery.

PostalDataPI

$ Details
-
Release Date
2026 March
Startup details
Country
United States
State
ID
City
Eagle
Founder(s)
Thom Ives
Employees
1 - 9

jQuery UI features and specs

  • Ease of Use
    jQuery UI simplifies creating and managing complex UI components with straightforward syntax and comprehensive documentation.
  • Compatibility
    jQuery UI is highly compatible with older browsers, offering a broader range of support compared to more modern frameworks.
  • Extensibility
    jQuery UI is designed to be modular and extendable, allowing developers to use only the components they need and easily extend or theming them.
  • Rich Set of Widgets
    It comes with a variety of pre-built widgets such as datepickers, accordions, and sliders, which can save development time.
  • Animated Effects
    jQuery UI includes many built-in animation effects that can enhance the user experience without requiring additional libraries.
  • Theming
    The library provides Themeroller, a tool that allows developers to create custom themes easily, ensuring UI consistency and branding.

Possible disadvantages of jQuery UI

  • Performance
    Due to its extensive feature set, jQuery UI can be relatively heavy, which may affect performance, particularly in resource-constrained environments.
  • Not Mobile-First
    jQuery UI is not designed with mobile-first principles in mind, making it less optimal for modern responsive web applications.
  • Learning Curve
    While easy to use for simple tasks, mastering jQuery UI for more complex applications may require a significant learning curve.
  • Dependency on jQuery
    Since jQuery UI relies on the jQuery library, it adds an additional dependency which can be limiting if you prefer or are required to use vanilla JS or another library.
  • Declining Popularity
    With the rise of modern frameworks like React, Vue, and Angular, jQuery UI has seen a decline in popularity and community support.
  • Limited Modern Features
    Compared to contemporary UI libraries, jQuery UI lacks some of the modern features and performance optimizations found in newer libraries.

PostalDataPI features and specs

  • Specialized Postal Data
    PostalDataPI focuses specifically on postal and address-related data, providing dedicated endpoints for ZIP code lookups, address validation, and geographic postal information, making it a niche solution for mailing and logistics needs.
  • Simple API Integration
    The API appears to offer straightforward RESTful endpoints that are relatively easy to integrate into existing applications, requiring minimal setup and configuration for developers.
  • Useful for Address Validation
    The service can help businesses validate and standardize mailing addresses, reducing undeliverable mail, saving postage costs, and improving data quality in customer databases.
  • Geographic Data Enrichment
    PostalDataPI can enrich address data with additional geographic information such as coordinates, county, and timezone details associated with postal codes, which is valuable for analytics and location-based services.
  • Lightweight and Focused
    As a specialized micro-API, it avoids the bloat of larger platforms, offering a focused toolset that does one thing well โ€” handling postal and ZIP code data without unnecessary complexity.

Analysis of jQuery UI

Overall verdict

  • jQuery UI is a solid choice for projects that already use jQuery or for developers who need to implement standard UI components quickly and easily. However, for projects starting from scratch, considering more modern alternatives that align with the current state of JavaScript development, such as React, Vue, or Angular, might be beneficial due to their extensive ecosystems and support for modern development patterns.

Why this product is good

  • jQuery UI is a popular library that extends the capabilities of jQuery with a robust set of user interface interactions, effects, widgets, and themes. It is particularly well-suited for developers who are already familiar with jQuery and need to implement features quickly without starting from scratch. Its components are widely used because they are both customizable and reliable, and it is backed by a large community that offers support and contributions. Furthermore, jQuery UI simplifies complex interactions and effects that would otherwise require significant effort to code manually, especially for those who seek cross-browser compatibility.

Recommended for

    jQuery UI is recommended for developers working on legacy projects that heavily rely on jQuery, or for quick, short-to-medium-term projects where ease of use and speed of implementation are paramount. It is also suitable for educational purposes, helping beginners understand DOM manipulation and UI interaction concepts. However, for new projects aimed at creating highly interactive and scalable applications, a framework or library that supports modern front-end technologies may be more appropriate.

Analysis of PostalDataPI

Overall verdict

  • I don't have verified, up-to-date information specifically about PostalDataPI (postaldatapi.com), including details on its accuracy, pricing, uptime, or customer reviews. I can't confirm whether it's a good product without more direct data or firsthand testing, so I'd recommend evaluating it yourself using the criteria below before committing.

Why this product is good

  • Unable to verify specific claims about data accuracy, coverage, or update frequency for this service
  • No confirmed information on pricing tiers, rate limits, or API reliability (SLA/uptime)
  • No verified user reviews, testimonials, or third-party comparisons available
  • Company background, support quality, and documentation quality are unconfirmed
  • If considering this service, check for: free trial/sandbox access, transparent pricing, data source citations, response time benchmarks, and independent reviews on sites like G2 or Trustpilot

Recommended for

  • Not able to make a specific recommendation without verified data
  • Best approach: developers needing postal/address validation APIs should compare this against established alternatives (e.g., SmartyStreets, Lob, Google Maps Geocoding API, USPS Web Tools) based on documented accuracy and pricing
  • Suitable evaluation candidates: teams willing to test the API directly with sample data before integrating into production systems

jQuery UI videos

jQuery UI tutorial: Adding a user interface with jQuery UI | lynda.com

More videos:

  • Review - jQuery UI Ultimate:Design Amazing Interfaces Using jQuery UI : Understanding the curriculum.

PostalDataPI videos

PostalDataPI Now Returns 18 Fields Per Postal Code โ€” for 240+ Countries

More videos:

  • Tutorial - PostalDataPI Tutorial: Your First Postal Code API Call in 5 Minutes

Category Popularity

0-100% (relative to jQuery UI and PostalDataPI)
Javascript UI Libraries
100 100%
0% 0
Address Verification API
0 0%
100% 100
Development Tools
100 100%
0% 0
Geolocation API
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, jQuery UI seems to be more popular. It has been mentiond 15 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.

jQuery UI mentions (15)

  • Let Me Talk About Component-based Front-end Development
    The once popular jQuery, with its strengths fully utilized in jQuery UI and Bootstrap, provides many UI components and is also friendly to backend developers, seemingly meeting the requirements. However, looking at their component implementation and resource loading formsโ€”. - Source: dev.to / over 1 year ago
  • 100+ Must-Have Web Development Resources
    jQuery UI: An open-source library for building user interfaces based on jQuery. - Source: dev.to / over 1 year ago
  • What is a component library and should you build your own?
    Fortunately, when I started web development in earnest, many of these issues were ironed out. By this point, there were still a handful of libraries that made writing complex interfaces with cross-browser support a little easier. Jquery UI, the first component library I used, supported accordions and other widgets. But the browser is constantly evolving, and we now have a native way of implementing this accordion... - Source: dev.to / almost 2 years ago
  • Best ReactJS library for Drag-n-Drop Table for plugin Admin view?
    Because WordPress is already have these jQuery & jQuery UI libraries (https://jqueryui.com/). Source: about 3 years ago
  • jQuery 3.6.2 Released
    We still use jQuery + jQuery UI on our website because it is basically battle tested through 15+ years. https://jqueryui.com/ It is easy as hell. What's there to not like? I don't care to be called names or being old fashioned. I also don't care about "right" tooling for frontend. As far it works and it is robust and it is going to be around for many years, I am fine with it. - Source: Hacker News / over 3 years ago
View more

PostalDataPI mentions (0)

We have not tracked any mentions of PostalDataPI yet. Tracking of PostalDataPI recommendations started around Apr 2026.

What are some alternatives?

When comparing jQuery UI and PostalDataPI, you can also consider the following products

jQuery - The Write Less, Do More, JavaScript Library.

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

React Native - A framework for building native apps with React

Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).

Babel - Babel is a compiler for writing next generation JavaScript.

Composer - Composer is a tool for dependency management in PHP.