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ZIP Code API VS Testsigma

Compare ZIP Code API VS Testsigma and see what are their differences

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

ZIP Code API logo ZIP Code API

REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Testsigma logo Testsigma

Complete AI-driven Test Automation platform for Web apps, Mobile apps and APIs. Simple English commands to automate complex tests easily and effectively with all the flexibility that enterprise teams need!
  • ZIP Code API Landing page
    Landing page //
    2026-05-21

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America โ€” no separate APIs by country or data type.

What it does

  • Address validation and standardization โ€” production-grade parser with ZIP+4 append, refreshed monthly
  • Radius search โ€” centroid haversine and true spatial polygon intersection. Returns ZIPs/FSAs within range, with per-result pct_inside overlap percentage for spatial queries
  • Unified lookup endpoint โ€” accepts US ZIP, ZIP+4, Canadian FSA, full Canadian postal codes, or latitude/longitude inputs
  • Autocomplete/typeahead โ€” cities, counties, metros, states, FSAs, ZIPs
  • Point-to-point distance โ€” between any two postal points
  • Census ACS demographics โ€” 2011โ€“2024, 542 fields per ZIP across income, education, housing, social, and economic profiles
  • Boundary lookups โ€” Census tracts, congressional districts, state legislative areas, school districts โ€” with computed intersection percentages per ZIP

What makes it different

  • Licensed commercial data โ€” not commodity or scraped sources
  • Canadian postal coverage โ€” most peers in this space are US-only
  • True spatial radius โ€” not just centroid haversine
  • 14 years of historical ACS depth via API โ€” unusual outside of raw Census downloads
  • One endpoint for all of North America โ€” no country-detection or input-routing logic to maintain on the client side

Pricing

  • Free โ€” 2,500 lookups/day, no credit card required, no expiry
  • Developer โ€” $49/mo, 100K credits, 300/min
  • Professional โ€” $149/mo, 350K credits, 300/min
  • Business โ€” $499/mo, 1.5M credits, 600/min
  • Credit packs โ€” one-time, from 25K ($19) up to 2M ($799)

Resources

  • Testsigma Landing page
    Landing page //
    2023-07-27

Testsigma is a cloud based test automation platform for Agile & Continuous Delivery teams that simplifies automation for Web apps, iOS & Android Apps and APIs , Testsigma requires no setup or frameworks and enables teams to start automating from the first line of code

Test authoring in simple English enables everyone --SMEs, business users, manual testers regardless of coding expertise to write tests at speed. An intelligent AI-engine eliminates test flakiness with dynamic element handling , self-healing scripts and isolating affected regression tests as your application evolves.

Scale executions in no time on the cloud with 800+ browser/OS combinations and 3000+ real iOS and Android devices that are continuously available

Signup (https://testsigma.com/signup) for a free trail and see how Testsigma is unique and how this AI-driven automation software meets your automation requirements.

ZIP Code API features and specs

  • Comprehensive ZIP Code Data
    The ZIP Code API from zip-codes.com provides extensive data including ZIP code details, city information, state data, and geographic coordinates, making it a thorough resource for location-based lookups.
  • Multiple Lookup Options
    The API supports various types of lookups including ZIP code to city/state, city/state to ZIP code, distance calculations between ZIP codes, and radius searches, offering flexible querying capabilities.
  • Easy Integration
    The API uses standard REST-based HTTP requests and returns data in commonly used formats like JSON and XML, making it straightforward to integrate into most applications and programming languages.
  • Distance and Radius Calculations
    The API includes built-in functionality for calculating distances between ZIP codes and finding ZIP codes within a specified radius, which is valuable for store locators, shipping estimates, and proximity-based features.
  • Well-Documented Endpoints
    The API provides clear documentation for its various endpoints and parameters, helping developers understand available features and implement them correctly without extensive trial and error.

Testsigma features and specs

  • Ease of Use
    Testsigma offers a codeless automation environment which allows even non-technical users to create and manage automated tests with ease.
  • Unified Platform
    Provides a single platform for web, mobile, and API testing, reducing the complexity of managing multiple tools.
  • Cloud-Based
    Being cloud-based, Testsigma allows for easy scaling and access from any location without the need for complex infrastructure setup.
  • CI/CD Integration
    Integrates seamlessly with popular CI/CD tools like Jenkins, GitLab, and CircleCI, enabling continuous testing.
  • Test Execution on Real Devices
    Allows testing on real devices through integrations with device clouds, ensuring accurate test results.
  • Extensive Reporting
    Provides detailed test reports and analytics to help identify issues and understand test performance.
  • Collaborative Features
    Supports team collaboration with features like test case sharing, role-based access, and commenting.

Possible disadvantages of Testsigma

  • Subscription Costs
    Being a robust platform, Testsigma might have higher subscription costs compared to some other tools, which could be a concern for small businesses.
  • Learning Curve for Advanced Features
    While basic operations are user-friendly, there can be a learning curve for mastering advanced features and customization.
  • Dependency on Internet
    As a cloud-based tool, an active internet connection is required at all times, which might be a limitation in environments with poor connectivity.
  • Limited Offline Support
    There is limited support for offline test creation and execution, making it less versatile in disconnected scenarios.
  • Integration Complexity
    While there are many integrations available, setting up some of the more complex integrations can be time-consuming and may require additional technical expertise.

Analysis of ZIP Code API

Overall verdict

  • ZIP Code API from zip-codes.com is a solid, reliable choice for developers and businesses needing accurate US and Canadian postal code data, offering a straightforward RESTful interface with regularly updated databases.

Why this product is good

  • Provides accurate and frequently updated ZIP code, city, state, and geographic data
  • Offers a simple RESTful API that is easy to integrate into web and mobile applications
  • Supports features like ZIP code lookup, radius search, and distance calculations
  • Includes both US ZIP codes and Canadian postal codes for broader coverage
  • Backed by an established data provider with a long track record in postal data

Recommended for

  • Developers building address validation or autofill features
  • E-commerce platforms needing shipping and location-based calculations
  • Businesses performing geographic or radius-based store locators
  • Applications requiring reliable US and Canadian postal data
  • Marketing and logistics teams that need regional or demographic targeting

Analysis of Testsigma

Overall verdict

  • Overall, Testsigma is a robust tool for teams looking to streamline their testing processes and increase efficiency through automation. Itโ€™s suitable for teams of all sizes, especially those that value an easy-to-use, scalable testing solution.

Why this product is good

  • Testsigma is considered a good tool because it offers a cloud-based platform for continuous testing. It supports a variety of test automation features, enabling testers to implement automated tests for web, mobile, and API applications easily. Its no-code approach makes it accessible to non-technical users, and it integrates well with popular CI/CD tools, which aids in seamless testing processes.

Recommended for

  • Software development teams
  • Quality assurance teams
  • Non-technical testers
  • Agile teams seeking integrated testing solutions
  • Organizations looking for cloud-based testing platforms

Category Popularity

0-100% (relative to ZIP Code API and Testsigma)

ZIP Code API

Testsigma

Zip Lookup
100 100%
Zip Lookup
0% 0
Automated Testing
0 0%
Automated Testing
100% 100
APIs
100 100%
APIs
0% 0
Software Testing
0 0%
Software Testing
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare ZIP Code API and Testsigma

ZIP Code API Reviews

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Testsigma Reviews

Postman Alternatives for API Testing and Monitoring
TestSigma is a test automation platform that allows users to write tests in simple, natural language. This makes it accessible to a wider range of users, not just those with coding skills. CI/CD integration allows for continuous testing and collaboration. For API testing, TestSigma allows for real-time API validation across a wide range of API testing types, like functional...
Source: www.blazemeter.com
Top Selenium Alternatives
Testsigma is a cloud-based test automation platform that facilitates continuous testing with an intuitive natural language scripting approach. Its user-friendly interface is welcoming for non-technical users, while it still offers advanced functionalities for experienced testers. It supports cross-browser and cross-device testing, AI-driven maintenance, and has a strong...
Source: bugbug.io
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
With No frameworks, No setup, No coding, and No cost, this postman alternative takes API testing to another level. Testsigma is a Cloud-based, end-to-end automated API testing tool that enables everyone to automate API tests right from application design and avoids the hassle of setting up environments and writing code.
Source: testsigma.com
Top 20 Best Automation Testing Tools in 2019 (Comprehensive List)
Testsigma is an AI-driven test automation tool that uses simple English to automate even complex tests and well meets the continuous delivery needs. Testsigma provides a test automation ecosystem with all the elements required for continuous testing and lets you automate Web, mobile applications and API services and supports thousands of device/OS/browser combos on the cloud...
Source: www.softwaretestinghelp.com
Best Automated Testing Tools for Continuous Testing
We are currently working with Testsigma and are quite impressed with it. Testsigma uses natural language statements to create test steps and is quite easy for manual testers and for anyone getting started with Test Automation.
Source: dzone.com

Social recommendations and mentions

Based on our record, Testsigma seems to be more popular. It has been mentiond 22 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.

ZIP Code API mentions (0)

We have not tracked any mentions of ZIP Code API yet. Tracking of ZIP Code API recommendations started around May 2026.

Testsigma mentions (22)

View more

What are some alternatives?

When comparing ZIP Code API and Testsigma, you can also consider the following products

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

Katalon - Built on the top of Selenium and Appium, Katalon Studio is a free and powerful automated testing tool for web testing, mobile testing, and API testing.

Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack

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

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

Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

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