US Tax Finder API

US Tax Finder API

The US Tax Finder API delivers real-time, accurate sales tax rates by zip code, ensuring compliance and simplifying tax calculations.

API description

About the API:  

The US Tax Finder API is a robust and adaptable solution designed to simplify the complex task of managing US sales tax. Emphasizing simplicity, accuracy and compliance, this API provides accurate and up-to-date sales tax information at a granular zip code level.

At the core of the US Tax Finder API is its ability to provide accurate, zipcode-specific sales tax rates. This detailed level of information is crucial, as sales tax rates can vary significantly from location to location. By using the API, users can seamlessly integrate sales tax data into their applications, websites or point-of-sale systems, ensuring accurate calculations and compliance with regulatory standards.

Covering a wide range of zip codes across the United States, the API targets users in a variety of industries, including e-commerce, retail and more. Its broad coverage ensures that businesses can effectively manage sales tax regardless of their geographic location or the scope of their operations.

Designed with ease of use in mind, the US Tax Finder API offers comprehensive documentation and an intuitive interface, facilitating seamless integration. Its support for multiple programming languages and platforms further enhances its accessibility and ease of use, making it a versatile tool for developers and businesses alike.

In conclusion, the US Tax Finder API is an indispensable resource for users looking to streamline their sales tax management processes. With its accuracy, broad coverage and ease of use, the API allows users to navigate changing tax regulations with ease. Whether used in e-commerce platforms, financial applications or retail systems, the API helps achieve greater accuracy and efficiency in managing sales tax calculations, ultimately improving the overall customer experience.


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

It will receive a parameter and provide you with a JSON.


What are the most common uses cases of this API?

  1. E-commerce Checkout: Integrate the API to dynamically calculate and apply accurate sales tax rates during the checkout process for online purchases.

    Point-of-Sale Systems: Implement the API in retail systems to automate real-time sales tax calculations based on the customer's location.

    Financial Reporting: Utilize historical tax data from the API for in-depth analysis and reporting to meet financial compliance requirements.

    Inventory Management: Enhance inventory systems by incorporating sales tax information to ensure accurate costing and pricing strategies.

    Localized Marketing Campaigns: Tailor marketing efforts by understanding sales tax variations, enabling targeted campaigns based on regional pricing.


Are there any limitations to your plans?

  • Basic Plan: 500 requests per day.

    Pro Plan: 500 requests per day.

    Pro Plus Plan: 2,000 requests per day.

    Premium Plan: 2,000 requests per day.

    Elite Plan: 5,000 requests per day.

    Ultimate Plan: 5,000 requests per day.

API Documentation


To use this endpoint you must enter a US zip code.


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




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 US Tax Finder 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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To use this API, users must enter a U.S. zip code to obtain tax information for that location.

The US Tax Finder API is a powerful tool that provides accurate and up-to-date sales tax information based on specific zip codes within the United States.

There are different plans to suit everyone, including a free trial for a small number of requests, but its rate is limited to avoid abuse of the service.

Zyla provides a wide range of integration methods for almost all programming languages. You can use these codes to integrate with your project as you need.

The US Tax Finder API is essential for users who need to accurately calculate and manage sales tax based on specific zip codes in the United States.

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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Prices are based on a recurring monthly subscription depending on the plan selected — plus overage fees applied when a developer exceeds a plan’s quota limits. In this example, you'll see the base plan amount as well as a quota limit of API requests. Be sure to notice the overage fee because you will be charged for each additional request.

Zyla API Hub works on a recurring monthly subscription system. Your billing cycle will start the day you purchase one of the paid plans, and it will renew the same day of the next month. So be aware to cancel your subscription beforehand if you want to avoid future charges.

Just go to the pricing page of that API and select the plan that you want to upgrade to. You will only be charged the full amount of that plan, but you will be enjoying the features that the plan offers right away.

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