Software Alternatives, Accelerators & Startups

Sheetsu VS PostalDataPI

Compare Sheetsu VS PostalDataPI and see what are their differences

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Sheetsu logo Sheetsu

Turn Google Spreadsheet into API

PostalDataPI logo PostalDataPI

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
  • Sheetsu Landing page
    Landing page //
    2022-09-18
  • 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.

Sheetsu features and specs

  • Ease of Use
    Sheetsu provides a user-friendly interface and straightforward API documentation, making it easy for users to convert Google Sheets into an API without extensive technical knowledge.
  • Quick Setup
    With Sheetsu, you can quickly integrate Google Sheets into your projects without the need for complex backend setups or additional server configurations.
  • Real-time Updates
    Any modifications made in Google Sheets are immediately reflected in the API responses, ensuring that data is always up-to-date.
  • Cost-Effective
    Sheetsu offers flexible pricing plans, including a free tier, which can be cost-effective for small-scale projects or startups.
  • Documentation and Support
    Sheetsu provides comprehensive documentation and responsive customer support to assist users with any issues or questions they might encounter.

Possible disadvantages of Sheetsu

  • Limited Free Tier
    The free tier comes with limitations on the number of requests and the amount of data that can be handled, which may not be sufficient for larger projects.
  • Dependence on Google Sheets
    Since Sheetsu relies heavily on Google Sheets, any issues or downtimes with Google Sheets can directly affect the performance and availability of the API.
  • Performance Constraints
    For heavy data processing or high-traffic applications, Sheetsu may face performance bottlenecks, making it less suitable for enterprise-level applications.
  • Security Concerns
    Storing and accessing sensitive data through Google Sheets and Sheetsu's API may raise security and privacy concerns, especially for data-intensive applications.
  • Customization Limitations
    While Sheetsu is flexible, it may lack advanced customization options needed for more complex or highly specific use cases.

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 Sheetsu

Overall verdict

  • Sheetsu is generally considered a good tool for individuals and businesses looking to leverage the power of Google Sheets through a simple API. It is particularly useful for those who need to streamline processes involving data stored in spreadsheets, providing a bridge between Google Sheets and other software applications.

Why this product is good

  • Sheetsu provides an easy way to turn Google Sheets into a RESTful API, allowing users to interact with spreadsheet data programmatically. Its user-friendly interface and features like API authentication, custom domain support, and webhook integration make it appealing for developers who need a quick and reliable solution to manage spreadsheet data without the hassle of dealing with spreadsheets directly.

Recommended for

    Individuals, small businesses, developers, and teams who rely on Google Sheets for data management and need an efficient way to integrate this data with other web applications or services.

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

Sheetsu videos

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

Add video

PostalDataPI videos

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 Sheetsu and PostalDataPI)
Google Sheets
100 100%
0% 0
Address Verification API
0 0%
100% 100
API Tools
100 100%
0% 0
Geolocation API
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Sheetsu 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.

Sheetsu mentions (2)

  • My SaaS journey so far, pivots and no active users. Where do I go from here?
    Here is my product: https://matchkraft.com/. It is a marketing toolkit. I think you need to ask for feedback, asking why users don't want to pay for a premium subscription. So far, you are getting new users that is a good sign you are going to the right direction. Maybe, who is your ideal customer or maybe your product is ok but need more visibility (maybe paying ads). Try to get active users. I really want to... Source: about 3 years ago
  • Making an app that connects to Google Sheets
    Calling a 3rd party API: There is a complete ecosystem providing "google-sheets-as-DB". I personally tested and recommend https://sheetson.com/ but there are a lot more with free tiers https://sheetsu.com/ https://sheety.co/. Source: about 4 years ago

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 Sheetsu 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.

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

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

SheetBest - Turn a Google SpreadSheet into a JSON Database API

Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.