PostalDataPI VS Postman for Mac (Beta)

Compare PostalDataPI VS Postman for Mac (Beta) and see what are their differences

ZeroTwo AI

ZeroTwo is a premium multi-provider AI platform which combines the tools models and features of Claude, Gemini, Grok, Openai and more into one. Canvas, Deep Research, MCP, Connectors, Agents, Projects and even Apps are all available in one place! featured

Contents:

» Base Details
» Videos
» Reviews
» Alternatives

PostalDataPI

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

Postman for Mac (Beta)

Build, test, and document your APIs faster

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 — $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, 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.

Landing page //
2023-10-02

PostalDataPI

Website: postaldatapi.com
Pricing URL: Official PostalDataPI Pricing
Release Date: 2026 March
Startup details
Country: United States
State: ID
City: Eagle
Founder(s): Thom Ives
Employees: 1 - 9

Edit details

Postman for Mac (Beta)

Website: postman.com
Pricing URL: -
Release Date: -

Edit details

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 — handling postal and ZIP code data without unnecessary complexity.

Postman for Mac (Beta) features and specs

User-Friendly Interface
Postman for Mac (Beta) features an intuitive and easy-to-navigate interface, making it accessible for both beginners and experienced users when crafting API requests.
Comprehensive API Testing Tools
The application provides a wide array of tools for testing APIs, including the ability to create and run automated tests, which simplifies API development and testing processes.
Collaboration Features
Postman includes collaboration options that allow teams to share collections and documentations, enhancing teamwork and the seamless exchange of API information.
Extensive Integration Support
It supports integrations with many services and platforms such as Jenkins, GitHub, and Slack, which allows users to integrate Postman into various stages of the development workflow.
Cross-Platform Support
The beta version for Mac is part of Postman's cross-platform strategy, ensuring that users can maintain consistency across different operating systems.

Possible disadvantages of Postman for Mac (Beta)

Performance Issues
Some users may experience performance issues such as lag or slower load times, which can be a hindrance during intensive API testing sessions.
Learning Curve for Advanced Features
While basic features are accessible, mastering advanced functionalities such as scripting require a steeper learning curve, which might be challenging for new users.
Limited Offline Functionality
The application has limited functionality when offline, which can be inconvenient for users who need constant access to local resources and do not have a reliable internet connection.
Resource Intensive
Postman can be resource-intensive, potentially leading to higher CPU and memory usage, which might be problematic for users with low-spec machines or when running multiple applications simultaneously.
Occasional Bugs
Being a beta version, users might encounter occasional bugs or crashes, affecting reliability and requiring workarounds until stable updates are released.

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 — for 240+ Countries

Postman for Mac (Beta) videos

No Postman for Mac (Beta) videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to PostalDataPI and Postman for Mac (Beta))

PostalDataPI

Postman for Mac (Beta)

Geocoding

100 100%

Geocoding

0% 0

APIs

0 0%

APIs

100% 100

Address Verification API

100 100%

Address Verification API

0% 0

Developer Tools

38 38%

Developer Tools

62% 62

User comments

Share your experience with using PostalDataPI and Postman for Mac (Beta). For example, how are they different and which one is better?

Social recommendations and mentions

Based on our record, Postman for Mac (Beta) seems to be more popular. It has been mentiond 1 time 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.

Postman for Mac (Beta) mentions (1)

Postman for MCP
Postman is already Postman for MCP. We launched MCP support several weeks ago, both in generating MCP servers from the public APIs on our network (over 100k) and with the MCP client which can test, debug, and validate MCP servers with full support for streamable http, sse, and stdio and capabilities (tools, prompts, resources). Check it out! https://postman.com/downloads. - Source: Hacker News / about 1 year ago