Tax Rate Finder US API

Tax Rate Finder US API

The Tax Rate Finder US API provides current U.S. sales tax rates, using zip codes or state names as a search.

API description

About the API:  

The Tax Rate Finder US API is an indispensable solution that provides a comprehensive and dynamic means of accessing up-to-date sales tax data across the United States. Seamlessly combining accuracy and versatility, this API enables users, businesses, developers and analysts to make informed decisions by effortlessly retrieving sales tax information using both zip codes and state names as search parameters.

In the complex landscape of commerce, sales tax plays a critical role, influencing the pricing strategies, financial forecasting and compliance efforts of businesses across the country. The Tax Rate Finder US API mitigates the challenges associated with obtaining accurate and up-to-date tax rates by providing an intuitive platform for retrieving this essential data.

Users have the flexibility to use zip codes or state names as input data, which facilitates ease of use and accommodates varying levels of geographic granularity. Whether looking for information on a specific locality or a broader statewide perspective, this API provides instant access to the relevant sales tax rates.

In addition, users and analysts can leverage the API's capabilities to create dynamic tools and applications that improve decision making. A financial application, for example, can integrate sales tax data to help users better manage their spending with taxes in mind at the point of sale.

In conclusion, the Tax Rate Finder US API is emerging as an indispensable tool for users, businesses, developers and analysts navigating the complexities of U.S. sales tax. Its flexibility in using both zip codes and state names, combined with its accurate and up-to-date data, enables users to make informed decisions, streamline operations and ensure compliance. Seamlessly integrating into applications, websites and systems, the API transforms complex sales tax calculations into a smooth and efficient process, enriching the retail landscape with its insights.


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 pricing: E-commerce platforms can use the API to calculate the exact sales tax for customers based on their location, ensuring correct pricing.

  2. Point-of-sale systems: Retailers can integrate the API into their point-of-sale systems to automatically apply the appropriate sales tax during transactions.

  3. Financial applications: Financial applications can take sales tax into account when helping users manage their budgets and expenses.

  4. Tax compliance: Businesses can use the API to comply with state and local tax regulations by accurately applying the correct sales tax rates.

  5. Market research: Analysts can use sales tax data to study consumer behavior and market trends in different regions.

Are there any limitations to your plans?

Besides the number of API calls per month, there are no other limitations.

API Documentation


To use this endpoint you must specify a zip code in the parameter.


Sales taxes by zip code - Endpoint Features
Object Description
Test Endpoint



Sales taxes by zip code - CODE SNIPPETS

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


To use this endpoint you must indicate the name of a state in the parameter.


Sales taxes by state - Endpoint Features
Object Description
state [Required]
Test Endpoint



Sales taxes by state - CODE SNIPPETS

curl --location --request GET '' --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 Tax Rate Finder US 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 the user must indicate a zip code or the name of a state.

There are different plans suits everyone including a free plan for small amount of requests per day, but it’s rate is limit to prevent abuse of the service.

Sure, you can use it and pay only when you use it. The credit can’t be expired.

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 API provides users with up-to-date sales tax information throughout the United States by entering a zip code or state name.

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.

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