GoSystem + K1 Aggregator Integration Setup

STEP 1

Create an account on the TR Developer Portal:  https://developers.thomsonreuters.com/pages/home 

STEP 2

Reach out to your TR rep and ask for their help to provision an API app for your GoSystem product.

Provide the following information in your request:

1. The user email for the account tied to the Developer Portal.
2. The required API model: https://developerportal.thomsonreuters.com/gosystem
3. Request to enable any required subscriptions.
4. Request that they set up the app in your Developer Portal and confirm when it's complete.

STEP 3

Set up your application

1. Open the TR Developer Portal.
2. Click on the new Application tile.
3. Scroll to the bottom of the page and enter the Callback URL: https://k1aggregator.k1x.io/integration/redirectgo
4. Scroll to the top of the page and select Permissions to the left of the main content area.
5. Ensure all users who should be able to use the K1 Aggregator integration are added.
6. Go back to the Application Settings page.
7. Copy the Client ID and Client Secret from your new GoSystem application.

STEP 4

1. Log in to K1 Aggregator: https://k1aggregator.k1x.io/
2. On the left menu, click Tenant Settings.
3. Expand the GoSystem section.
4. Enter your Client ID and Client Secret in the corresponding fields.
5. Save your changes.

STEP 5

Click the Test button from the K1 Aggregator integration page. You should see the GoSystem login screen.

You should now be able to send investment activity data from K1 Aggregator. 

This integration process supports both the GoSystemRS and Onesource Income Tax Express RS products, the only change is that you will enter your Client ID and Client Secret in the ONESOURCE Income Tax Express section on Tenant Settings in K1 Aggregator. 

TIPS

A successful extraction requires the following fields in K1 Aggregator Instance Settings to match the data in the Onesource Income Tax Locator:

K-1 Aggregator Field	GoSystem Field	Definition	Details	Navigation	Screen Shot
Account Number (Instance)	Account	4 character alphanumeric	n/a	Returns screen > Account column
Return ID (Instance)	Return	6 character alphanumeric	locator, binder, and return are used interchangeably	Returns screen > Return column
Tax Year (Instance)	Year	n/a	n/a	Returns screen > Year column
Entity Type (Instance)	Entity Type (column option)	Pre-defined list of type of return filed	US Partnership, Trust, Individual	Returns screen > Entity Type column
Tax Form Type (Instance)	Tax Type	Return filed form type	1041, 1065, 1120S	Returns screen > Tax Type column
State of Residence (Instance)	1040: Add States/Cities 1041: Add/Delete States	Available only if Tax Form Type = 1040 or 1041	Resident state	1040: Organizer > States > Add States/Cities 1041: Organizer > States > Add/Delete States
Ownership (Investment)		Taxpayer, Spouse, Joint (TSJ)	1040 only. Field name may be different across screens	Income > Schedule K-1 > K-1 Name > Schedule K-1 Information
Entity Type (Investment)	Schedule K-1 Type	Pre-defined list of entity types to identify how the investment is treated for US tax purposes	n/a	1040: Organizer > Income > K-1 Income > K-1 Name > K-1 Information
Activity Number (Investment)	Activity number (system generated)	Up to 10 digit number	path may be different across entity types/screens	Organizer > Income > Schedule K-1> K-1 Name > Schedule K-1 Information
EIN (Investment)	Federal EIN	9 character alphanumeric	n/a	1040: Organizer > Income > K-1 Income > K-1 Name > K-1 Information
Activity Name (Activity)	K-1 Name	40-55 character alphanumeric (depending on tax type, 1040 is 55 characters, 1120, 1065, and 1041 are 40 characters)	field name and path may be different across entity types/screens	Organizer > Income > Schedule K-1 > K-1 Name > Schedule K-1 Information > Schedule K-1 Name field

Tips:

• Regularly save your work and verify changes before refreshing or navigating away from the page.
• Document any recurring issues with screenshots and detailed descriptions to assist technical support.

For further assistance, contact the K1x Support Team by clicking on the "Get Help" button on our apps or in our Help Center.

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