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Calculating Sales Tax Using Avalara's AvaTax API in Python

Fetching Transactions

Explore how to fetch and list tax transactions for a specific company using Avalara's AvaTax API. Learn to use endpoints, set authorization, and retrieve transaction details to manage tax compliance effectively in your applications.

We'll cover the following...

Listing transactions by company

We can use the {{BASE_URL}}/companies/{{companyCode}}/transactions endpoint to list up to 1,000 transactions for the requested company. The complete endpoint URL for listing transactions by a company is as follows:

https://sandbox-rest.avatax.com/api/v2/companies/{{companyCode}}/transactions

Some of the request parameters for the URL above are as follows:

Request Parameters

Name

Type

Parameter Type

Category

Description

companyCode

string

Path

Required

This parameter specifies the company code of the company for which we're fetching transactions.

$include

string

Query

Optional

This parameter specifies any objects we want the API to add to our request's API response.

$filter

string

Query

Optional

This parameter specifies how to filter the transaction results.

$top

integer

Query

Optional

This parameter specifies the number of the top transaction results we want to fetch.

$skip

integer

Query

Optional

This parameter specifies the number of top transaction results we want to skip.

$orderBy

string

Query

Optional

This parameter specifies how to order the transaction results and the basis on which they are ordered. It accepts values in the following format: "(fieldname) [ASC|DESC]".

Let’s see how to make an API call to list tax transactions made for a specific company. Click the “Run” button to execute the code.

Python 3.8
# Account ID and License Key
account_id = "{{ACCOUNT_ID}}"
license_key = "{{LICENSE_KEY}}"
# Company Code
company_code = "{{COMPANY_CODE}}"
# Endpoint URL
endpoint_url = f"https://sandbox-rest.avatax.com/api/v2/companies/{company_code}/transactions"
# Creating a basic auth token using account ID and license key
auth_token = requests.auth.HTTPBasicAuth(account_id, license_key)
# Define query parameters here
parameters = {
    "$top": 50,
    "$orderBy": "id ASC"
}
# Making a GET request to the AvaTax API
response = requests.get(url=endpoint_url, auth=auth_token,
               params=parameters)
# Printing response
print_response(response)

Here's an explanation for the code widget ...