USA Sales Tax API

USA Sales Tax API

The USA Sales Tax API is a powerful tool that allows users to access accurate tax rates for all U.S. states based on specific zip codes. This comprehensive API simplifies the process of determining tax rates for sales transactions, providing users with the information needed to calculate taxes accurately and efficiently.

API description

About the API:  

With the USA Sales Tax API, users can effortlessly obtain tax rates by providing three key parameters: state code, tax region and zip code. This simple approach ensures that users receive the most relevant and up-to-date tax information tailored to their specific location, making it an indispensable resource for businesses, developers and individuals alike.

By leveraging the API's capabilities, businesses can seamlessly integrate accurate tax rate calculations into their e-commerce platforms, point-of-sale systems and other applications. This integration streamlines the sales process, eliminates manual errors and improves tax compliance. Whether determining the tax rate for a single transaction or managing tax calculations at scale, the USA Sales Tax API provides a reliable solution.

Developers can easily incorporate the USA Sales Tax API into their applications, allowing end users to quickly access tax rate data without the need for extensive coding or data management. The API provides a simple, standardized interface that returns results in a structured format, making it easy to integrate with existing software systems.

The USA Sales Tax API is based on a robust and reliable infrastructure that ensures high availability and fast response times. It leverages authoritative sources and continuously updated databases to provide users with the most accurate tax information available. This reliability and accuracy make the API an essential tool for companies operating in the United States, helping them comply with tax regulations and avoid costly penalties.

In conclusion, this API is a valuable resource for accessing accurate tax rates for all U.S. states based on zip codes. In addition, its intuitive user interface makes this API a very useful tool.


What this API receives and what your API provides (input/output)?

It will receive parameters and provide you with a JSON.


What are the most common uses cases of this API?

  1. E-commerce platforms: Online retailers can integrate the USA Sales Tax API into their platforms to automatically calculate and apply the appropriate sales tax for each transaction based on the customer's location.

    Point-of-sale systems: Physical retail stores can incorporate the API into their point-of-sale systems to calculate sales tax accurately and efficiently during in-person transactions.

    Mobile applications: Developers creating mobile applications involving sales transactions can use this API to ensure accurate tax calculations based on the user's location.

    Accounting software: Accounting software providers can integrate the API into their platforms, enabling businesses to automate tax calculations and ensure accurate reporting of sales tax liabilities.

    Financial management tools: Personal finance and expense management applications can use the USA Sales Tax API to help users accurately track and calculate taxes on their purchases.

Are there any limitations to your plans?

Basic Plan: 15,000 API Calls. 500 API Calls per day.

Pro Plan: 60,000 API Calls. 2,000 API Calls per day.

Pro Plus Plan: 240,000 API Calls. 8,000 API Calls per day.

Premium Plan: 600,000 API Calls.

API Documentation


To use this endpoint you must insert a state, a tax region and a zip code.


Get Taxes by zip code - Endpoint Features
Object Description
Request Body [Required] Json
Test Endpoint



Get Taxes by zip code - CODE SNIPPETS

curl --location --request POST '' --header 'Authorization: Bearer YOUR_API_KEY' 


To use this endpoint all you have to do is insert a state, tax region, zip code and price. To do the calculation and get the result after taxes


Calculate prices - Endpoint Features
Object Description
Request Body [Required] Json
Test Endpoint


                                                                                                                                                                                                                            {"message":"\"State\" is required"}

Calculate prices - CODE SNIPPETS

curl --location --request POST '' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the USA Sales Tax API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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The USA Sales Tax API allows you to calculate sales tax rates and amounts for transactions in the United States.

The API usually requires the location, zip code, name of a region and the total amount.

Yes, the APÌ is designed to calculate sales taxes for several U.S. states.

The API may impose limits. It is recommended that you consult the API documentation or terms of use for possible fee limits.

The API can be integrated with popular e-commerce platforms or payment gateways.

Zyla API Hub is, in other words, an API MarketPlace. An all-in-one solution for your developing needs. You will be accessing our extended list of APIs with only your user. Also, you won't need to worry about storing API keys, only one API key for all our products is needed.

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