diff --git a/.github/workflows/register-api.yml b/.github/workflows/register-api.yml
new file mode 100644
index 0000000..fd2b5d1
--- /dev/null
+++ b/.github/workflows/register-api.yml
@@ -0,0 +1,62 @@
+name: Register API Definition to Azure API Center
+
+on:
+  workflow_dispatch:
+    inputs:
+      resource-id:
+        description: 'The resource ID of the API Center'
+        required: false
+        default: ''
+      resource-group:
+        description: 'The resource group name of the API Center'
+        required: false
+        default: ''
+      api-center-service:
+        description: 'The service name of the API Center'
+        required: false
+        default: ''
+      file-location:
+        description: 'The file path relative to the repository root'
+        required: false
+        default: ''
+
+permissions:
+  id-token: write
+  contents: read
+
+jobs:
+  register-api:
+    runs-on: ubuntu-latest
+
+    env:
+      AZURE_CLIENT_ID: ${{ vars.AZURE_CLIENT_ID }}
+      AZURE_TENANT_ID: ${{ vars.AZURE_TENANT_ID }}
+      AZURE_SUBSCRIPTION_ID: ${{ vars.AZURE_SUBSCRIPTION_ID }}
+      AZURE_ENV_NAME: ${{ vars.AZURE_ENV_NAME }}
+      AZURE_LOCATION: ${{ vars.AZURE_LOCATION }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install APIC extension
+        shell: bash
+        run: |
+          # az extension add --name apic-extension --allow-preview true --yes
+          az extension add --source ./infra/scripts/apic_extension-1.0.0b4-py3-none-any.whl --allow-preview true --yes
+
+      - name: Login to Azure
+        uses: Azure/login@v2
+        with:
+          client-id: ${{ env.AZURE_CLIENT_ID }}
+          subscription-id: ${{ env.AZURE_SUBSCRIPTION_ID }}
+          tenant-id: ${{ env.AZURE_TENANT_ID }}
+
+      - name: Register API
+        shell: pwsh
+        run: |
+          ./infra/scripts/New-ApiRegistration.ps1 `
+            -ResourceId "${{ github.event.inputs.resource-id }}" `
+            -ResourceGroup "${{ github.event.inputs.resource-group }}" `
+            -ApiCenterService "${{ github.event.inputs.api-center-service }}" `
+            -FileLocation "${{ github.event.inputs.file-location }}"
diff --git a/infra/scripts/New-ApiRegistration.ps1 b/infra/scripts/New-ApiRegistration.ps1
new file mode 100644
index 0000000..bbd17f7
--- /dev/null
+++ b/infra/scripts/New-ApiRegistration.ps1
@@ -0,0 +1,82 @@
+# Registers API to API Center.
+Param(
+    [string]
+    [Parameter(Mandatory=$false)]
+    $ResourceId = "",
+
+    [string]
+    [Parameter(Mandatory=$false)]
+    $ResourceGroup = "",
+
+    [string]
+    [Parameter(Mandatory=$false)]
+    $ApiCenterService = "",
+
+    [string]
+    [Parameter(Mandatory=$false)]
+    $FileLocation = "",
+
+    [string]
+    [Parameter(Mandatory=$false)]
+    $ApiVersion = "2024-03-01",
+
+    [switch]
+    [Parameter(Mandatory=$false)]
+    $Help
+)
+
+function Show-Usage {
+    Write-Output "    This registers API to API Center
+
+    Usage: $(Split-Path $MyInvocation.ScriptName -Leaf) ``
+            [-ResourceId        <Resource ID>] ``
+            [-ResourceGroup     <Resource group>] ``
+            [-ApiCenterService  <API Center instance name>] ``
+            [-FileLocation      <File location to register>] ``
+            [-ApiVersion        <API version>] ``
+
+            [-Help]
+
+    Options:
+        -ResourceId         Resource ID. It must be provided unless `ResourceGroup` is provided.
+        -ResourceGroup      Resource group. It must be provided unless `ResourceId` is provided.
+        -ApiCenterService   API Center instance name. It must be provided unless `ResourceId` is provided.
+        -FileLocation       File location to register.
+        -ApiVersion         REST API version. Default is `2024-03-01`.
+
+        -Help:              Show this message.
+"
+
+    Exit 0
+}
+
+# Show usage
+$needHelp = $Help -eq $true
+if ($needHelp -eq $true) {
+    Show-Usage
+    Exit 0
+}
+
+if (($ResourceId -eq "") -and ($ResourceGroup -eq "" -or $ApiCenterService)) {
+    Write-Output "`ResourceId` must be provided, or both `ResourceGroup` and `ApiCenterService` must be provided"
+    Exit 0
+}
+if ($FileLocation -eq "") {
+    Write-Output "`FileLocation` must be provided"
+    Exit 0
+}
+
+$segments = $ResourceId.Split("/", [System.StringSplitOptions]::RemoveEmptyEntries)
+if ($ResourceGroup -eq "") {
+    $ResourceGroup = $segments[3]
+}
+if ($ApiCenterService -eq "") {
+    $ApiCenterService = $segments[7]
+}
+
+$REPOSITORY_ROOT = git rev-parse --show-toplevel
+
+$registered = az apic api register `
+    -g $ResourceGroup `
+    -s $ApiCenterService `
+    --api-location "$REPOSITORY_ROOT/$FileLocation"
diff --git a/infra/scripts/Set-ApiMetadata.ps1 b/infra/scripts/Set-ApiMetadata.ps1
index 62cc6ac..778e4b5 100644
--- a/infra/scripts/Set-ApiMetadata.ps1
+++ b/infra/scripts/Set-ApiMetadata.ps1
@@ -56,7 +56,7 @@ function Show-Usage {
         -MetadataValue      Metadata value.
         -ApiVersion         REST API version. Default is `2024-03-01`.
 
-        -Help:          Show this message.
+        -Help:              Show this message.
 "
 
     Exit 0
diff --git a/infra/scripts/apic_extension-1.0.0b4-py3-none-any.whl b/infra/scripts/apic_extension-1.0.0b4-py3-none-any.whl
new file mode 100644
index 0000000..f8a7f53
Binary files /dev/null and b/infra/scripts/apic_extension-1.0.0b4-py3-none-any.whl differ