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PostalDataPI VS Tabliss

Compare PostalDataPI VS Tabliss and see what are their differences

PostalDataPI

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

Rating
0 reviews
Promote on VibeVoted
Alternatives Is it good?
Tabliss

A beautiful new tab page with many customisable backgrounds and widgets.

Rating
0 reviews
Pricing
Open source
Promote on VibeVoted
Alternatives Is it good?
Bluebox.ai
Bluebox gives coding agents the production context they are missing. It briefs your agent with live runtime behavior before a change, investigates incidents, explains likely root cause, and returns a GitHub issue you review. Free to start. sponsored
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.

Which is more popular?

Based on our record, Tabliss seems to be more popular. It has been mentioned 24 times since March 2021.

social mentions
0 vs 24
Postcode API popularity
100% vs 0%
alternatives listed
12 vs 123

Base details

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

PostalDataPI
Tabliss
Website postaldatapi.com tabliss.io
Pricing
Official pricing
Open source
Company Startup from the United States · 1 - 9 employees · 2026 —
Listed in
APIs REST API Postal Management Zip Lookup Postcode API Geocoding Address Verification API Geolocation API Developer Tools +6
Bookmark Manager Favorites Bookmarks Chrome Extensions +1

About PostalDataPI and Tabliss

In their own words, as submitted to SaaSHub.

PostalDataPI
Tabliss

PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...

Read more about PostalDataPI

No description of Tabliss yet.

Features and specs

What each product offers, as listed by its team.

PostalDataPI 5 features
Tabliss 5 features
  • 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 — handling postal and ZIP code data without unnecessary complexity.

Possible disadvantages

  • Limited Public Awareness
    PostalDataPI is not widely known or widely reviewed compared to major competitors like SmartyStreets, Google Geocoding API, or Melissa Data, making it harder to assess reliability and long-term viability.
  • Sparse Documentation and Community Support
    As a smaller or lesser-known service, it may lack comprehensive documentation, tutorials, and an active developer community, which can make troubleshooting and advanced usage more challenging.
  • Uncertain Data Coverage
    It is unclear how comprehensive the postal data coverage is — whether it supports international postal codes or is limited to specific countries, which could be a significant limitation for global applications.
  • Unknown Uptime and Reliability Track Record
    Without widespread usage reports or published SLA guarantees, it can be difficult to trust the service for mission-critical applications that require high availability and consistent performance.
  • Limited Feature Set Compared to Competitors
    Larger address validation and postal data providers offer additional features like autocomplete, batch processing, CASS certification, and deliverability scoring that PostalDataPI may not provide.
  • Customizable
    Tabliss offers a high level of customization, allowing users to tailor their new tab experience with widgets, backgrounds, and layouts.
  • Free to Use
    The extension is completely free, with no hidden costs or subscriptions, making it accessible to all users.
  • Open Source
    As an open-source project, Tabliss allows users to contribute to its development and ensures transparency.
  • Privacy-focused
    Tabliss does not track user data, providing a privacy-conscious option for users concerned about data collection.
  • No Sign-Up Required
    Users can start using Tabliss without creating an account, making the setup process quick and easy.

Possible disadvantages

  • Limited Functionality
    Compared to other new tab extensions, Tabliss might lack some advanced features or integrations that power users seek.
  • Browser Dependency
    Tabliss is primarily designed for specific browsers like Chrome and Firefox, limiting its use for users on other platforms.
  • Potential Performance Impact
    Customizing the new tab with numerous widgets and features might affect browser performance, especially on less powerful systems.
  • Occasional Bugs
    As with any software, users might encounter occasional bugs or issues that could affect the user experience.

Analysis

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

PostalDataPI
Tabliss

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

Overall verdict

  • Tabliss is indeed a good choice for anyone looking to enhance their browsing experience with a highly customizable and visually appealing new tab page. It's appreciated for its simplicity, design aesthetic, and flexibility, making it a favorite among users who appreciate attention to visual detail and personalization.

Why this product is good

  • Tabliss (tabliss.io) is highly regarded for its beautiful and customizable new tab experience. It allows users to personalize their browser's new tab page with widgets such as weather, quotes, clocks, bookmarks, and more. The platform is user-friendly, offering an attractive and distraction-free interface without any need for a login or signup. Its open-source nature allows for community contributions, keeping it fresh and up-to-date.

Recommended for

  • Users who enjoy personalizing their digital environment
  • People looking for a distraction-free new tab interface
  • Individuals who appreciate open-source community projects
  • Those who do not want to sign up or log in to access features
  • Anyone interested in enhancing their productivity with custom widgets

Videos

Walkthroughs and reviews on video.

PostalDataPI 2 videos + Add
Tabliss 1 video + Add

PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries

More videos

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

Tabliss Demo

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
PostalDataPI
Tabliss
100% 100%
Postcode API
0% 0%
0% 0%
Bookmark Manager
100% 100%
100% 100%
Address Verification API
0% 0%
0% 0%
Favorites
100% 100%

User comments

Share your experience with using PostalDataPI and Tabliss. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

PostalDataPI no reviews yet
Tabliss no reviews yet

We have no reviews of PostalDataPI yet. Be the first one to post

  • Top 10 New Tab Extensions for Chrome
    www.ghacks.net · Sep 2021

    Mue is similar to new tab extensions like Momentum and Tabliss, but offers more features. In addition to displaying widgets for the clock, greeting, quotes, and changing the wallpaper from time-to-time, Mue allows you...

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PostalDataPI 0 mentions
Tabliss 24 mentions

Tracking PostalDataPI since Apr 2026.

  • Anyone customize the start page with Tabliss please
    Anyone customize the start page with Tabliss please Https://tabliss.io/ Installed it ok for opera But unable to get it to appear. Source: almost 3 years ago
  • Edge is plugging their own quicklinks on the landing page.
    Here is an extension I've used before that works well. https://tabliss.io/. Source: over 3 years ago
  • Is it possible to remove the FireFox logo? I want to make it more minimalistic
    Not quite the same thing, but I installed Tabliss. Source: over 3 years ago

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