Trello
The Trello connector Service used to define a connection required for associated actions and start events. Examples include Salesforce and Box. Method of integration to cloud services, business applications and content stores. is used to create connections for Trello actions. Use Trello actions A tool for building the processes, logic, and direction within workflows. to create, update, delete and move cards between boards, add labels to cards, and retrieve board information.
Create a Trello connection
You can create connections from the Automate or Designer page.

- Nintex Workflow Cloud uses the Nintex Workflow Cloud - Trello Connector to create Trello connections. The connection requires you to grant permissions to read and write all user and group data.

- On the top navigation bar, click Automate, and then select Connections from the left navigation.
- On the Connections page, click Add new.
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In the Add a new connection section that opens, fill in the following.
In this field
Select or enter the following
Connector Trello - Click Connect.
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In the Connection window, fill in the following fields.
In this field
Select or enter the following
Connection name A name for your new connection. API key (key) An auto-generated key for a valid Trello user. For information about creating a key, see https://trello.com/app-key. Api Key (token) An auto-generated token for a valid Trello user. For information about creating a token, see https://trello.com/app-key. - Click Connect.
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Follow the prompts to enter credentials and grant access to Nintex Workflow Cloud.
- In the permissions dialog, you can do one of the following:
- Edit the Owners or Users permissions according to data source usage requirements and click Save permissions.
Tip: You can assign connection owners or users permissions according to your access requirements. For more information, see Permissions.
The new connection is listed in the Connections page.

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Access the Designer page
- On the top navigation bar, click Automate > Workflows, and then select the required workflow.
(Or)
- On the top navigation bar, click Automate > Create workflow.
- Click the action you want to add the connection to open the configuration panel.
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In the drop-down list for Connection, select Add new connection. A new window is displayed to enter connection details.
-
In the Connection window, fill in the following.
In this field
Select or enter the following
Connection name A name for your new connection. API key (key) An auto-generated key for a valid Trello user. For information about creating a key, https://trello.com/app-key to create a key. Api Key (token) An auto-generated token for a valid Trello user. For information about creating a token, https://trello.com/app-key to create a token. -
Click Connect.
-
Follow the prompts to enter credentials and grant access to Nintex Workflow Cloud.
- In the permissions dialog, you can do one of the following:
- Edit the Owners or Users permissions according to data source usage requirements and click Save permissions.
Tip: You can assign connection owners or users permissions according to your access requirements. For more information, see Permissions.
The new connection is listed in the Connections page.
Permissions
Permissions enable you to manage access for other users to use, edit, and delete connections.
Use |
Edit |
Delete |
Assign |
|
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Owners |
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Users |
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Note: By default, users with administrator role will have the same rights as a Connection owner.

Follow these steps to assign permissions from the Connections page:
- On the Connections page, click
for the required connection.
- From the menu, select Permissions.
- To assign permissions:
- In the Owners field, type the name of the user, and select from the list.
- In the Users field, type the name of the user, and select from the list.
The corresponding permissions window is displayed.
- Click Save permissions.
Create a Trello data source
Use the Trello data source to create a drop-down list of Trello board labels, board members, cards, checklists, or lists in a form.
Example: To allow users to select a specific card in a form, add a drop-down list of cards to the form using a Data lookup control A form control that allows users to select from a drop-down list of values that have been fetched from a third-party service.. The Data lookup control uses a Trello - Get cards data source to list the cards in a list.
You can create a data source to:
- Get board labels: list all the board labels in Trello.
- Get board members: list all the members of a board in Trello.
- Get cards in a list: list all the cards of a list in Trello.
- Get checklists on a card: list all the checklists on a card in Trello.
- Get lists: list all the lists in a board in Trello.
Each data source is configured for a specific user. You can create as many data sources as you need.

To add a Trello drop-down list to your form:
- Create your Trello data source.
- Add a data lookup form control to your form and configure it to use your new data source.
See Data sources.

Assign data source permissions
Permissions enable you to manage access for other users to use, edit, and delete data sources.
Use |
Edit |
Delete |
Assign |
|
---|---|---|---|---|
Connection owners |
✔ | ✔ | ✔ | ✔ |
Data source editors |
✔ | ✔ | ✔ | ✘ |
Data source users | ✔ | ✘ | ✘ | ✘ |
Note: By default, users with administrator role will have the same rights as a Connection owner.

Follow these steps to assign data source permissions from the Data sources page:
- On the Data sources page, click
for the required data source.
- From the menu, select Permissions.
- To assign permissions:
- In the Data source editors field, type the name of the user, and select from the list.
- In the Data source users field, type the name of the user, and select from the list.
The corresponding data source permissions window is displayed.
- Click Save Permissions.
Trello data source fields
When you create a Trello data source, you can configure some additional fields to specify which board labels, board members, cards, checklists, and lists the data source should retrieve.
Section |
Field or selection |
Description |
---|---|---|
Add new data source | Operation | Displays the operations available for the selected Connector. Depending on the selection the following fields are displayed:
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