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    Sales Tax API Endpoints

    Developer's API Menu

    Basic Sales Tax API Endpoint

    This is the basic Sales Tax API call. 

    An API endpoint is a point at which an API -- the code that allows two software programs to communicate with each other -- connects with the software software.

    For XML

    GET https://api.zip2tax.com/taxrate-usa.xml?username={username}&password={password}[&addressline1={addressLine1}][&city={city}&state={state}][&zip={zip}]

    For JSON

    GET https://api.zip2tax.com/taxrate-usa.json?username={username}&password={password}[&addressline1={addressLine1}][&city={city}&state={state}][&zip={zip}]

     

     URL PARAMETERS

    Input Field Type Description
    username String Client-assigned name for allowing access to the API.
    Max length: 10
    Occurrence: Required
    password String Client-assigned password for allowing access to the API.
    Max length: 100
    Occurrence: Required
    addressline1 String Client-defined street address for query.
    Recommended format: house number and street not separated by a comma.
    Max length: 255
    Occurrence: Optional (for ZIP and SalesTax+4® levels)
    Occurrence: Required (for Spot-On® level)
    city String Client-defined city for query.
    Max length: 255
    Occurrence: Optional (for ZIP and SalesTax+4® levels)
    Occurrence: Required (for Spot-On® level)
    state String Client-defined State for query.
    Recommended format: 2-letter USPS code
    Max length: 2
    Occurrence: Optional (for ZIP and SalesTax+4® levels)
    Occurrence: Required (for Spot-On® level)
    zip String Client-defined Zip code for query.
    Recommended format: Client-defined ZIP code for query, per USPS standard.
    Max length: 10
    Occurrence: Required (for ZIP and SalesTax+4® levels)
    Occurrence: Optional (for Spot-On® level)
    USPS = United States Postal Service www.usps.com