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PostalDataPI VS Zipy

Compare PostalDataPI VS Zipy and see what are their differences

HasData
HasData is a top web scraping platform for developers and enterprises. It delivers structured, real-time data from the web using scalable APIs and no-code tools, removing the need to manage proxies, browsers, or anti-bot systems. featured
Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

PostalDataPI logo PostalDataPI

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

Zipy logo Zipy

Zipy is a debugging and prioritization platform that provides user session replay, frontend and network monitoring in one.
  • 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.

  • Zipy Landing page
    Landing page //
    2022-12-15

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.

Zipy features and specs

  • Real-time Monitoring
    Zipy provides real-time monitoring capabilities, which allows users to quickly identify and resolve issues as they occur, enhancing the reliability and performance of applications.
  • Comprehensive Analytics
    The platform offers detailed analytics and insights into user behavior, assisting businesses in making data-driven decisions to improve their products and services.
  • User Session Replay
    Zipy enables businesses to replay user sessions, offering a clear understanding of end-user experiences and helping to quickly diagnose problems.
  • Easy Integration
    The service provides easy integration with existing tech stacks, allowing businesses to seamlessly incorporate its capabilities without significant overhead.
  • Scalability
    Zipy is designed to scale with your business, offering solutions suitable for both small startups and large enterprises, which ensures long-term usability as your needs grow.

Possible disadvantages of Zipy

  • Cost
    Depending on the features and volume of usage, Zipy can become expensive, especially for startups or small businesses with budget constraints.
  • Complexity
    While powerful, the tool may have a learning curve and require a certain level of technical expertise to fully utilize all its features effectively.
  • Privacy Concerns
    Session replay and detailed monitoring raise potential privacy issues, necessitating careful handling of user data to ensure compliance with regulations such as GDPR.
  • Dependency on Internet
    As it is a cloud-based service, its performance is heavily reliant on stable internet connectivity, which might pose challenges in areas with unreliable internet connections.

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

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

Zipy videos

No Zipy videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to PostalDataPI and Zipy)

PostalDataPI

Zipy

Address Verification API
100 100%
Address Verification API
0% 0
Developer Tools
8 8%
Developer Tools
92% 92
Geolocation API
100 100%
Geolocation API
0% 0
Productivity
0 0%
Productivity
100% 100

User comments

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

Based on our record, Zipy seems to be more popular. It has been mentiond 2 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.

PostalDataPI mentions (0)

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

Zipy mentions (2)

  • rrweb โ€“ record and replay debugger for the web
    Zipy is also a session replay and error tracking tool, which uses rrweb to capture the DOM. On top of that they have many small and big features which adds value to their product, must visit https://zipy.ai. - Source: Hacker News / about 2 years ago
  • Show HN: Zipy- Debug webapps instantly with session replay and monitoring in one
    Hey HN commmunity, Karthik here! Super stoked to announce the launch of Zipy today. Launching the product that you've been so dearly working on for months is like sending your newborn to school for the first time. Excitement to nervousness, anxiety to thrill, all sorts of emotions hit you at the same time. But the entire team of Zipy is confidently looking forward to the feedback you guys have in store for the... - Source: Hacker News / over 4 years ago

What are some alternatives?

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

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

Better Stack - Everything you need to ship higherโ€‘quality software faster.

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

Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.

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