API Explorer

The REST APIs give programmatic access to verify the filing of the FHVUT for vehicles exceeding 54,999 pounds. You can post request with details of the filing Tax Year, Taxpayer EIN, VIN and Weight Class and get the response “Confirmed” or Unconfirmed”


How to get API access?


Authentication

The integrity and authenticity of your data is validated using the Hash Message Authentication Code (HMAC) algorithm. Each message present at the receiver's end is compared with the sender's corresponding Mac key. Unless there's a match, the message proceeds to the next step. This prevents any misuse or abusive behavior regarding your data.


Feedback and Communication

We love to hear your suggestions so our updates are useful and make your ExpressTruckTax experience memorable. If you come across any issues, please call or send us a message. Our priority is customer satisfaction, and we want to ensure we're providing exactly what you need.