CCH SureTax Developer Portal

Everything you need to integrate, extend, and automate tax calculation across telecommunications, energy, general merchandise, and more.

Explore the Portal

Six areas to help you build, integrate, import, export, and reference SureTax.

Get Started in 4 Steps

From zero to your first tax calculation in minutes.

1

Choose a Product

Select the SureTax solution that fits your industry — Telecom, Energy, Cannabis, or General Merchandise.

2

Get API Credentials

Obtain your Client ID and Validation Key from your SureTax account representative.

3

Read the Quickstart

Open the API Quickstart guide for your chosen API to review authentication, endpoints, and sample requests.

4

Make Your First Call

Send a test request to the SureTax sandbox and verify the calculated tax response comes back.

10
REST APIs
15+
Integrations
28
Enumerations
16
Extract Reports