Fetch data from REST API URL directly in canvas app combobox

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Posted on by Poweruser32490

Any idea how to fetch data from rest api url in canvas app directly? I need to set the combobox value based on the response from rest api url.

https:/parentsite.crm.dynamics.com/api/data/v9.1/teammemberships?$filter=teamid%20eq%20XXXXX-XXX-XXX-XXXXX

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Microsoft Dataverse with Power Apps

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MS.Ragavendar 6,334 Super User 2026 Season 1 on at

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@Poweruser32490,

There is no direct way available by calling the rest directly in the power automate.

1. Try creating a custom connector and calling it from the power-apps

2 Try creating a flow and http request and parse the JSON result to power-apps and bind it combo box control accordingly.

Sample Implementation

https://siddharthvaghasia.com/guidance-on-how-to-use-power-platform-rest-countries-connector/

- This is done based on the connector

✅ Please click Accept as solution if my post helped you solve your issue and help others who will face the similar issue in future.

❤️ Please consider giving it a Like, If the approach was useful in other ways.

🏷️ Please tag me @MS.Ragavendar if you still have any queries related to the solution or issue persists.

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Inogic 1,265 Moderator on at

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Hi,

It’s not possible to directly fetch data from a REST API URL in a ComboBox within a Canvas App. Power Apps doesn’t support making direct HTTP requests from controls.

Canvas Apps can only connect to data sources through approved connectors (such as Dataverse, SharePoint, SQL, etc.) or via Custom Connectors.

To achieve your requirement, you can:

Use a Custom Connector to securely connect to your REST API.

Use a Power Automate flow that calls the API and returns the data to your app.

For more details,
Please refer to this Microsoft docs
https://learn.microsoft.com/en-us/power-platform/architecture/reference-architectures/custom-connector-canvas
For Custom connector
Using the Team entity from the Dataverse tables to define the connector and retrieve team details.

1.Create a Custom Connector ,
Please refer to this blog for the reference
https://d365demystified.com/2024/07/15/create-a-custom-connector-for-power-automate-power-apps/

In the Definition section of the Custom Connector, specify the Action and the corresponding Request URL, using either the GET or POST method as required.

In the request, you can define the request URL — for example:
https://parentsite.crm.dynamics.com/api/data/v9.1/teammemberships
2.In the Canvas App,
Go to the Data ->
Add Data -> Choose your Custom Connector to add and connect it to your app.

In the ComboBox:

Items property : TeamMembershipsConnector.GetTeams().value
(Here, GetTeams is the OperationId defined in the Custom Connector Definition.)

DisplayFields property: ["name"]

This will display the Team names in the ComboBox.

Hope this helps.

Thanks!

Inogic

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