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CrossBrowserTesting VS PostalDataPI

Compare CrossBrowserTesting VS PostalDataPI and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

CrossBrowserTesting logo CrossBrowserTesting

Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.

PostalDataPI logo PostalDataPI

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
  • CrossBrowserTesting Landing page
    Landing page //
    2023-10-23
  • 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.

CrossBrowserTesting features and specs

  • Wide Range of Browsers and Devices
    CrossBrowserTesting offers a large selection of browsers and devices, allowing developers to test their applications in various environments to ensure compatibility.
  • Live Testing
    Users can perform live interactive testing on real devices, enabling them to manually verify the behavior of their application and catch issues that automated tests might miss.
  • Automated Testing Integration
    The platform provides integration with popular testing frameworks and tools such as Selenium, Appium, and others, facilitating automated testing workflows.
  • Visual Testing
    CrossBrowserTesting offers visual testing capabilities, allowing users to compare screenshots from different browsers to identify design inconsistencies.
  • Comprehensive Reports
    Detailed test reports with screenshots and logs are generated, helping users to quickly identify and address issues found during testing.
  • Parallel Testing
    The service supports parallel testing, enabling users to run multiple tests simultaneously, significantly reducing the overall testing time.
  • Easy-to-Use Interface
    The user interface is intuitive and user-friendly, making it easy for both beginners and experienced testers to navigate and utilize the platform effectively.

Possible disadvantages of CrossBrowserTesting

  • Cost
    CrossBrowserTesting can be expensive, especially for small teams or individual developers who might find the subscription plans to be cost-prohibitive.
  • Performance
    Tests on real devices can sometimes be slow due to the availability and network constraints, which can affect the overall efficiency of the testing process.
  • Limited Mobile Devices
    While the platform includes a variety of devices, the selection might not cover all the latest models or less common devices, potentially limiting testing coverage.
  • Learning Curve for Advanced Features
    Some advanced features and integrations might require a learning curve, which could be challenging for users who are not familiar with automated testing or the specific tools supported.
  • Test Timeout Issues
    Occasional issues with test timeouts have been reported, which can disrupt the testing process and require reruns or additional troubleshooting.

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.

Possible disadvantages of PostalDataPI

  • 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 โ€” 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.

Analysis of CrossBrowserTesting

Overall verdict

  • CrossBrowserTesting is generally regarded as a good solution for cross-browser testing needs, particularly for teams that require real-time testing and robust automation capabilities. Its ease of use, extensive browser/device coverage, and integration options make it a strong choice for many development and QA teams.

Why this product is good

  • CrossBrowserTesting is considered a valuable tool because it provides a cloud-based platform for testing websites and mobile applications across different browsers, devices, and operating systems. It enables developers and QA teams to ensure that their applications function correctly on various platforms without needing to maintain a complex setup of physical devices. The platform offers real-time debugging, automated screenshot testing, and integration with various CI/CD tools, which streamlines the testing process.

Recommended for

    This service is highly recommended for software development teams, QA engineers, and web developers who need to ensure compatibility and functionality of their web applications across multiple browsers and devices. It is particularly useful for organizations with a focus on maintaining high-quality user experiences across various platforms.

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

CrossBrowserTesting videos

+ Add

Cross Browser Testing Tool Comparison โ€“ LambdaTest vs. CrossBrowserTesting

PostalDataPI videos

+ Add

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 CrossBrowserTesting and PostalDataPI)

CrossBrowserTesting

PostalDataPI

Website Testing
100 100%
Website Testing
0% 0
Address Verification API
0 0%
Address Verification API
100% 100
Browser Testing
100 100%
Browser Testing
0% 0
Geolocation API
0 0%
Geolocation API
100% 100

User comments

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Social recommendations and mentions

Based on our record, CrossBrowserTesting 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.

CrossBrowserTesting mentions (6)

  • How can I test my site on safari if I don't have a Mac ?
    Yeah I moved on pretty quick from browserstack, but it seems to be the most popular. I've tried crossbrowsertesting.com but at the moment I really like app.lambdatest.com. Source: almost 4 years ago
  • great list of "cool" sites from hnews
    Https://geizhals.de/ - this is a german site but the UI is nice and you can find a lot of stuff. Https://www.gsmarena.com/search.php3? - a phone search site. When I was at https://crossbrowsertesting.com we used this site a lot Https://www.howacarworks.com/ - how a car works Https://www.mcmaster.com/ - the UI here is so nice. Those illustrations Https://ciechanow.ski/mechanical-watch/ - how does a mechanical... - Source: dev.to / about 4 years ago
  • Learn How To Create, Test and Deploy a Single Page App with Vue 3 + Vite and Pinia
    Fortunately we donโ€™t need to install, nor configure, any other tools, unless maybe some fancy reporters, but for now we can get everything we need in terms of end-to-end automated testing out of Nightwatch. Besides Chrome, Nightwatch has built-in support for all major browsers, including Firefox, Edge, and Safari, all thanks to its integration with the W3C Webdriver API and Selenium. It also allows you to use... - Source: dev.to / over 4 years ago
  • Free for dev - list of software (SaaS, PaaS, IaaS, etc.)
    Crossbrowsertesting.com - Manual, Visual, and Selenium Browser Testing in the cloud - free for Open Source. - Source: dev.to / almost 5 years ago
  • How do yโ€™all test responsiveness of website?
    Professionally, I do basically the same for dev testing. We also have various devices on different platforms/versions in the office when needed, and our QA team primarily uses Cross Browser Testing Tool. If I need to check something specific, I usually use CBT. Source: over 5 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 CrossBrowserTesting and PostalDataPI, you can also consider the following products

Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.

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

BrowserStack - BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.

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

browserling - Live interactive cross-browser testing from your browser.

TestMu AI (Formerly LambdaTest) - Worldโ€™s first full-stack Agentic AI Quality Engineering platform.

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