Top US Postal Information API alternatives in 2025

Top US Postal Information API Alternatives in 2025

As the demand for accurate postal information continues to grow, developers are increasingly seeking reliable APIs to integrate into their applications. The US Postal Tax API is one of the most popular options available, but there are several alternatives that offer unique features and capabilities. In this blog post, we will explore the best alternatives to the US Postal Tax API, detailing their key features, pricing, pros and cons, ideal use cases, and how they differ from the US Postal Tax API.

1. US Postal Tax API

The US Postal Tax API delivers precise, up-to-date tax data for specific geographic areas within the United States. This API provides comprehensive tax rate data based on zip codes, enabling users to make informed financial decisions, automate tax calculations, and streamline compliance processes.

One of the most outstanding features of the US Postal Tax API is its ability to provide tax rates at the ZIP code level. This granularity ensures that tax calculations are as accurate as possible for sales tax, use tax, property tax, and other related purposes. The API is designed for easy integration, allowing users to incorporate it into their applications, websites, or financial systems effortlessly.

Key Features and Capabilities of US Postal Tax API

Tax by Zip Code: To use this feature, you must indicate a US zip code in the parameter. This endpoint returns the tax rate applicable to the specified zip code.

{ "rate": 0.1105 }

This feature is crucial for businesses that need to calculate sales tax accurately based on the customer's location. The response includes the tax rate, which can be directly used in financial calculations.

Frequently Asked Questions about US Postal Tax API

Q: How is data accuracy maintained?
A: Data accuracy is maintained through regular updates from trusted government sources, along with quality checks to ensure the information reflects the latest tax regulations.

Q: What types of information are available through the endpoint?
A: The endpoint provides information specifically about sales tax rates based on zip codes.

Q: What are the sources of the data?
A: The data is sourced from authoritative government resources, ensuring that the tax rates are accurate and compliant with current U.S. tax regulations.

Want to try US Postal Tax API? Check out the API documentation to get started.

2. Postal Code to State API

The Postal Code to State API is a versatile tool that allows users to convert zip codes to their corresponding names or state codes. This API simplifies the process of associating zip codes with their respective states, providing accurate and reliable information for a wide range of applications.

With this API, users can easily retrieve the state name or state code by providing the zip code as input. This straightforward approach ensures that users get the most relevant and up-to-date state information based on the specific ZIP code provided.

Key Features and Capabilities of Postal Code to State API

Converter Zip Code to State: To use this feature, all you have to do is insert a zip code in the parameter. The API will return the corresponding state name or code.

{"state":"NY"}

This feature is particularly useful for applications that require address validation or customer profiling based on geographic data.

Zip Code Data: To use this feature, you must indicate a US zip code in the parameter. This endpoint provides comprehensive details, including city names, county information, area codes, and geographic coordinates.

[{"AreaCode":"323/213","City":"LOS ANGELES","County":"LOS ANGELES","State":"CA","ZipCode":90001}]

This data can enhance location-based services, allowing businesses to tailor their offerings based on customer locations.

Frequently Asked Questions about Postal Code to State API

Q: What types of information are available through each endpoint?
A: The "Converter Zip code to State" endpoint provides the state name or code for a given zip code, while the "Zip Code Data" endpoint offers comprehensive details about the location.

Q: What are the accepted parameter values for the endpoints?
A: Both endpoints accept a valid US zip code as a parameter.

Ready to test Postal Code to State API? Try the API playground to experiment with requests.

3. Postal Code Global API

The Postal Code Global API is a powerful and versatile tool that provides users with seamless access to a vast repository of zip code data, making it an invaluable asset for a wide range of applications. This API acts as a comprehensive source of zip code data, providing access to an extensive database of zip code information from various regions around the world.

Thanks to its broad coverage and accuracy, this API allows developers to create location-based applications that offer their users enhanced functionality and real-time data.

Key Features and Capabilities of Postal Code Global API

Get Information by Zip Code: To use this feature, you must enter a zip code in the parameter. The API will return detailed information about the specified zip code.

{"query":{"codes":["99950"],"results":{"99950":[{"postal_code":"99950","country_code":"FI","latitude":"69.47290000","longitude":"25.95270000","city":"Karigasniemi","state":"Lapland"}]}}}

This feature is essential for applications that require global zip code data, enabling developers to create services that cater to international users.

Frequently Asked Questions about Postal Code Global API

Q: What are the sources of the data?
A: The data is sourced from a comprehensive database that aggregates zip code information from various regions worldwide.

Q: What types of information are available through the endpoint?
A: The endpoint provides information such as city names, state/province details, country codes, and geographic coordinates for each zip code.

Need help implementing Postal Code Global API? View the integration guide for step-by-step instructions.

4. USA Zip Code Data API

The USA Zip Code Data API is a service that provides developers with access to a comprehensive database of US zip codes and related information. This API offers accurate and up-to-date data on a large number of zip codes sourced from government agencies and other authoritative sources.

In addition to basic zip code information, such as their names and locations, the USA Zip Code Data API can also provide more advanced data, such as area code, timezone, city alias, finance number, latitude, and longitude.

Key Features and Capabilities of USA Zip Code Data API

Get US Zip Code: To use this feature, you must insert in the parameter the zip code that you are looking for in the US. The API will return detailed information about that zip code.

[{"AreaCode":"412","City":"PITTSBURGH","State":"PA","ZipCode":15235}]

This feature is particularly useful for applications that require location-based recommendations or logistics optimization.

Frequently Asked Questions about USA Zip Code Data API

Q: What are typical use cases for this data?
A: Typical use cases include e-commerce for location-based recommendations, real estate platforms for property searches, and logistics for route optimization.

Q: How can users customize their data requests?
A: Users can customize their requests by specifying the zip code they want to query.

Want to try USA Zip Code Data API? Check out the API documentation to get started.

5. Canada Postcode Insights API

The Canada Postcode Insights API provides accurate Canadian postal code information instantly, optimizing logistics and enhancing user experiences. This API serves as a gateway to a treasure trove of geographic information, revolutionizing the way users leverage location-based data.

With the Canada Postcode Insights API, users can access a comprehensive database of Canadian postal codes and their corresponding geographic attributes, simplifying the process of integrating location functions into applications and services.

Key Features and Capabilities of Canada Postcode Insights API

Information by Zip Code: To use this feature, you must indicate in the parameter a zip code from Canada. The API will return detailed information about the specified postal code.

{"Code":200,"Data":[{"ZipCode":"B0N 2H0","City":"MAPLE GROVE","Province":"NS","ZipLatitude":"45.034715","ZipLongitude":"-63.350948"}]}

This feature is essential for applications that require accurate Canadian postal code data, enabling businesses to improve their services based on geographic information.

Frequently Asked Questions about Canada Postcode Insights API

Q: How is data accuracy maintained?
A: Data accuracy is maintained through regular updates and quality checks against official postal code databases.

Q: What types of information are available through the endpoint?
A: The endpoint provides information such as city names, province, geographic coordinates, and time zone for a given Canadian postal code.

Want to use Canada Postcode Insights API in production? Visit the developer docs for complete API reference.

6. Zip Code Details US API

The Zip Code Details US API offers accurate geolocation data and information for US zip codes, enhancing address validation and location-based services. This API provides users with seamless access to accurate and up-to-date zip code information across the United States.

With the Zip Code Details US API, users can effortlessly integrate zip code data into their software solutions, websites, and mobile applications.

Key Features and Capabilities of Zip Code Details US API

Information by Zip Code: To use this feature, you must indicate a zip code in the parameter. The API will return detailed information about the specified zip code.

{"Code":200,"Data":[{"ZipCode":"96162","City":"TRUCKEE","State":"CA","ZipLatitude":"39.326668","ZipLongitude":"-120.342310"}]}

This feature is crucial for applications that require precise geolocation data, allowing users to quickly and accurately locate places of interest.

Frequently Asked Questions about Zip Code Details US API

Q: How is data accuracy maintained?
A: Data accuracy is maintained by sourcing information from authoritative databases and regularly updating the API to reflect current geolocation data.

Q: What types of information are available through the endpoint?
A: The endpoint provides information such as the city, state, county, time zone, latitude, and longitude for a given zip code.

Need help implementing Zip Code Details US API? View the integration guide for step-by-step instructions.

7. Zip Code USA API

The Zip Code USA API quickly retrieves precise location details within the United States using this efficient and accurate zip code lookup solution. This API allows developers, businesses, and researchers to seamlessly access and use accurate geographic information.

By providing a standardized and comprehensive solution, the Zip Code USA API offers a streamlined approach to obtaining precise location details, allowing users to enhance their applications, optimize logistics, conduct market research, and much more.

Key Features and Capabilities of Zip Code USA API

Get Location Information: To use this feature, all you have to do is enter a US zip code. The API will return detailed information about that zip code.

{"zip_code":"90001","primary_city":"Los Angeles","state":"CA","timezone":"America/Los_Angeles","latitude":33.97,"longitude":-118.24}

This feature is particularly useful for applications that require detailed location data for various purposes, including logistics and marketing.

Frequently Asked Questions about Zip Code USA API

Q: What types of information are available through the endpoint?
A: The endpoint provides detailed information about a specific zip code, including the corresponding city, state, timezone, and geographic coordinates.

Q: What are the accepted parameter values for the endpoint?
A: The endpoint accepts a single parameter: the U.S. zip code.

Looking to optimize your Zip Code USA API integration? Read our technical guides for implementation tips.

8. Swiss Postal Codes API

The Swiss Postal Codes API bridges the gap between applications and the intricate network of Swiss addresses. This API provides a centralized solution for obtaining Swiss postal code data with ease.

By simply entering the zip codes, users can access essential information such as city, town, locality, and more. This wealth of data ensures that applications accurately determine locations, supporting services ranging from logistics and navigation to localized marketing campaigns.

Key Features and Capabilities of Swiss Postal Codes API

Post Code Data: To use this feature, you must indicate a Swiss postcode in the parameter. The API will return detailed information about the specified postal code.

{"query":{"codes":["8001"],"results":{"8001":[{"postal_code":"8001","country_code":"CH","latitude":"47.36670000","longitude":"8.55000000","city":"Zürich","state":"Kanton Zürich"}]}}}

This feature is essential for applications that require accurate Swiss postal code data, enabling businesses to improve their services based on geographic information.

Frequently Asked Questions about Swiss Postal Codes API

Q: How is data accuracy maintained?
A: Data accuracy is maintained by sourcing information from authoritative databases and regularly updating the API to reflect changes in postal codes.

Q: What types of information are available through each endpoint?
A: The endpoint provides information such as the postal code, corresponding city and state names, geographical coordinates, and country code.

Need help implementing Swiss Postal Codes API? View the integration guide for step-by-step instructions.

9. Canada Postal Codes API

The Canada Postal Codes API is a tool that provides programmatic access to the complete set of postal codes in Canada. This API returns information about each zip code, including zip code, province, city, type, geographic coordinates, and more.

This data can be used for a wide range of applications, such as address validation, geolocation, data analysis, and mapping. The API allows developers to integrate zip code data into their own systems and applications, streamlining processes and improving data quality.

Key Features and Capabilities of Canada Postal Codes API

Get Canada Info: To use this feature, all you have to do is run it, and it will return information such as street name, city, province, latitude, longitude, type, postcode, and confidentiality number.

[{"City":"EDMONTON","Type":"HWY","Street":"28a HWY","Latitude":"53.840313","PostCode":"T0A0H0","Province":"AB"}]

This feature is particularly useful for applications that require detailed Canadian postal code data for various purposes, including logistics and marketing.

Frequently Asked Questions about Canada Postal Codes API

Q: What are typical use cases for this data?
A: Typical use cases include address validation for shipping, geolocation services for mapping applications, and data analysis for market segmentation based on postal codes.

Q: How can users customize their data requests?
A: Users can customize requests by specifying parameters such as postal code or geographic coordinates to retrieve specific information relevant to their needs.

Ready to test Canada Postal Codes API? Try the API playground to experiment with requests.

10. Search Canadian Postal Code API

The Search Canadian Postal Code API makes it easy for users to find Canadian postal codes. This API's capabilities offer an invaluable asset for location-based decision-making.

Retail chains can optimize their store locations by analyzing the demographic profiles of various zip code areas. By knowing the population density, income levels, and consumer preferences associated with different codes, companies can tailor their marketing efforts and expansion strategies to specific regions.

Key Features and Capabilities of Search Canadian Postal Code API

Get Canadian Zip Code: To use this feature, you must enter in the parameters an address, city, and a province code (AB, BC, MB, NB, NL, NS, NT, NU, ON, PE, QC, SK, YT). The API will return the corresponding postal code.

{"address":"371-232 2 Nd Ave NE","city":"Kelowna","province":"BC","postal_code":"V4V 1P4"}

This feature is essential for applications that require accurate Canadian postal code data, enabling businesses to improve their services based on geographic information.

Frequently Asked Questions about Search Canadian Postal Code API

Q: How is data accuracy maintained?
A: Data accuracy is maintained through real-time updates and regular quality checks.

Q: What types of information are available through the endpoint?
A: The endpoint provides detailed information about a specific Canadian postal code, including the associated address, city, and province.

Need help implementing Search Canadian Postal Code API? View the integration guide for step-by-step instructions.

Conclusion

In conclusion, while the US Postal Tax API is a robust solution for obtaining tax data based on zip codes, there are numerous alternatives available that cater to different needs. The Postal Code to State API, Postal Code Global API, USA Zip Code Data API, Canada Postcode Insights API, Zip Code Details US API, Zip Code USA API, Swiss Postal Codes API, Canada Postal Codes API, and Search Canadian Postal Code API each offer unique features and capabilities that can enhance your applications.

When selecting an API, consider your specific requirements, such as the geographic regions you need to cover, the type of data you require, and how you plan to integrate the API into your existing systems. Each of these alternatives provides valuable tools for developers looking to enhance their applications with accurate postal information.