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Connecting to Azure OpenAI Whisper Service in Power Automate

Table of Contents



  • An Azure Subscription with Azure OpenAI Service enabled. Azure OpenAI Service is currently limited. Apply for access here to your subscription by going to this link (
  • Power Automate Premium

High Level Steps

  • Step 1: Create Azure OpenAI Service in Azure
    • Retrieve Service Endpoint URI and Key (either Key 1 or Key 2)
  • Step 2: Create a Whisper Deployment
    • Retrieve Deployment Name
  • Step 3: Create an HTTP Flow in Power Automate

Step 1: Create Azure OpenAI Service:

  • Navigate to the Azure portal and create a new OpenAI service. Select the appropriate subscription and resource group, and ensure you choose a supported region
  • As of this writing (12 May 2024), the currently supported regions are: East US 2, South India, North Central US, Norway East, Sweden Central, and West Europe.

Create Azure OpenAI Service

1. In Azure, search for Azure OpenAI Service then click create.




2. Follow the following settings. I am using South India since that is the closest regional location for my case. Once done, click Review + Create and wait for it to be completed.



Copy a Key and the Endpoint URI

1. Once the resource has been created, head over to the Resource > {the resource you just created} > Keys and EndPoint



Step 2: Create a Whisper Deployment

Once your Azure OpenAI service is set up, you need to create a Whisper deployment. This is your dedicated instance for handling audio transcriptions and translations.


1. Navigate to and select the Resource that you have created in step 1.

2. Navigate to Deployments then select Create new deployment


3. Put the following settings for the deployment then click Create.





Step 3: Create an HTTP Flow in Power Automate

Open Power Automate and create a new flow using the HTTP request trigger. Configure it to connect to your Whisper deployment. This flow will be responsible for sending audio files to the Whisper service and retrieving the transcription.


1. Create a manually triggered flow.




2. Add File input to the trigger.



3. Add a Compose action and replace the follow place holder with the input file's filename and contentBytes.







  "$content-type": "multipart/form-data",
  "$multipart": [
      "headers": {
        "Content-Disposition": "form-data; name=\"file\"; filename=\"@{triggerBody()?['file']?['name']}\""
      "body": {
        "$Content-type": "audio/webm",
        "$content": @{triggerBody()?['file']?['contentBytes']}







4. Add an HTTP action with the following parameters.







{Step 1 EndPoint}/openai/deployments/{Step2 Deployment}/audio/transcriptions?api-version=2024-02-01











content-type: multipart-form/data

api-key: [use the key from Step 1]



Output of Compose Action



5.  Optional: Add another Compose action to display result.












About the Author
  • Experienced Consultant with a demonstrated history of working in the information technology and services industry. Skilled in Office 365, Azure, SharePoint Online, PowerShell, Nintex, K2, SharePoint Designer workflow automation, PowerApps, Microsoft Flow, PowerShell, Active Directory, Operating Systems, Networking, and JavaScript. Strong consulting professional with a Bachelor of Engineering (B.E.) focused in Information Technology from Mumbai University.
  • I am a Microsoft Business Applications MVP and a Senior Manager at EY. I am a technology enthusiast and problem solver. I work/speak/blog/Vlog on Microsoft technology, including Office 365, Power Apps, Power Automate, SharePoint, and Teams Etc. I am helping global clients on Power Platform adoption and empowering them with Power Platform possibilities, capabilities, and easiness. I am a leader of the Houston Power Platform User Group and Power Automate community superuser. I love traveling , exploring new places, and meeting people from different cultures.
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