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Sheetson VS PostalDataPI

Compare Sheetson VS PostalDataPI and see what are their differences

JackHamr
AI agents that spec, build, test, and ship code โ€” with voice chat, deep GitHub integration, and zero LLM markup. featured
Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

Sheetson logo Sheetson

Instantly turn any Google Sheet into RESTful API

PostalDataPI logo PostalDataPI

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
  • Sheetson Landing page
    Landing page //
    2022-11-29
  • 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.

Sheetson

Website
sheetson.com
Pricing URL
Official Sheetson Pricing
$ Details
freemium
Platforms
REST API Generic HTTP API
Release Date
-
Edit details

PostalDataPI

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

Sheetson features and specs

  • Ease of Use
    Sheetson enables users to interact with Google Sheets as a RESTful API endpoint, making it straightforward for developers to integrate spreadsheet data into their applications without complex setup.
  • No Authentication Required
    Unlike many other services, Sheetson does not require OAuth for access, simplifying the initial setup and usage.
  • Real-time Data
    Data in Google Sheets can be updated in real-time and Sheetson APIs can instantly reflect these updates, providing up-to-date information without delay.
  • Cost-Effective
    Sheetson offers a free tier, making it an affordable option for small projects and startups needing basic interaction with Google Sheets.
  • Flexible Integration
    Sheetson supports a broad range of programming languages and can be used in various types of applications, from websites to mobile apps.

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 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

Sheetson videos

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

Add video

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 Sheetson and PostalDataPI)

Sheetson

PostalDataPI

Google Sheets
100 100%
Google Sheets
0% 0
Address Verification API
0 0%
Address Verification API
100% 100
Spreadsheets
100 100%
Spreadsheets
0% 0
Geolocation API
0 0%
Geolocation API
100% 100

User comments

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

Based on our record, Sheetson 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.

Sheetson mentions (6)

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 Sheetson and PostalDataPI, you can also consider the following products

Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat

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

SheetBest - Turn a Google SpreadSheet into a JSON Database API

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

Sheetsu - Turn Google Spreadsheet into API

Sheet 2 Site - Generate a website from ๐Ÿ“— Google Sheets

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