[{"zip_code": "90001", "state_rate": 0.06, "total_rate": 0.0975, "city_rate": 0.01, "county_rate": 0.0025, "additional_rate": 0.025, "state_tax": 6.0, "city_tax": 1.0, "county_tax": 0.25, "additional_tax": 2.5, "total_tax": 9.75, "total_price": 109.75}]
curl --location --request GET 'https://zylalabs.com/api/8403/sales+tax+usa+api/14671/obtain+taxes?amount=100&zip_code=90001' --header 'Authorization: Bearer YOUR_API_KEY'
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 Sales Tax USA API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
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Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
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The Sales Tax USA API allows you to accurately check sales tax rates in the United States based on a zip code. Its structured response provides a complete breakdown of the different tax levels that apply to a transaction, including state, municipal, county, and additional taxes.
It also provides the monetary values corresponding to each of these levels, as well as the total applicable taxes and the final price including taxes. This API is ideal for online stores and e-commerce platforms that need to calculate taxes in real time during the purchase process, for accounting or financial applications that require tax breakdowns by region, for developers looking to integrate automatic local tax calculations without worrying about the specific laws of each jurisdiction, and for billing or point-of-sale solutions that operate in multiple locations within the country. With support for all zip codes and constant rate updates, this API facilitates tax management and ensures that business operations comply with local and state regulations. By including both rates and pre-calculated amounts, it allows users to choose between performing their own calculations or directly using the results provided.
The API returns detailed sales tax information based on the specified zip code, including state, municipal, county, and additional taxes. It also provides the total tax amount and the final price including taxes.
Key fields in the response include "state_tax," "local_tax," "total_tax," and "final_price." Each field provides specific monetary values related to the applicable taxes for the given transaction.
The endpoint requires an "amount" and "zip code." Optional parameters include "city" and "state," allowing users to refine their requests for more accurate tax calculations.
The response data is structured in a JSON format, with clear key-value pairs for each tax type and the final price. This organization allows for easy parsing and integration into applications.
The data is sourced from official state and local tax authorities, ensuring that the tax rates are accurate and up-to-date for all regions covered by the API.
Typical use cases include real-time tax calculations for e-commerce transactions, accounting applications needing tax breakdowns, and point-of-sale systems operating across multiple jurisdictions.
Users can customize requests by specifying the "amount," "zip code," and optionally the "city" and "state." This flexibility allows for tailored tax calculations based on specific transaction details.
Users can utilize the returned data by integrating it into their checkout processes, displaying tax breakdowns to customers, or using it for financial reporting and compliance purposes.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund