diff --git a/README.md b/README.md
index 660e348..8c4ae3a 100644
--- a/README.md
+++ b/README.md
@@ -43,19 +43,20 @@ jobs:
           openai_api_key: ${{ secrets.OPENAI_API_KEY }}
 ```
 
-| Input                   | Description                                                    | Required | Default                    |
-| ----------------------- | -------------------------------------------------------------- | -------- | -------------------------- |
-| `github_token`          | The GitHub token to use for the Action                         | Yes      |                            |
-| `openai_api_key`        | The [OpenAI API key] to use, keep it hidden                    | Yes      |                            |
-| `pull_request_id`       | The ID of the pull request to use                              | No       | Extracted from metadata    |
-| `openai_model`          | The [OpenAI model] to use                                      | No       | `gpt-4o-mini`              |
-| `max_tokens`            | The maximum number of **prompt tokens** to use                 | No       | `1000`                     |
-| `temperature`           | Higher values will make the model more creative (0-2)          | No       | `0.6`                      |
-| `sample_prompt`         | The prompt to use for giving context to the model              | No       | See `SAMPLE_PROMPT`        |
-| `sample_response`       | A sample response for giving context to the model              | No       | See `GOOD_SAMPLE_RESPONSE` |
-| `completion_prompt`     | The prompt to use for the model to generate the PR description | No       | See `COMPLETION_PROMPT`    |
-| `overwrite_description` | Whether to overwrite the PR description if it already exists   | No       | `false`                    |
-
+| Input                      | Description                                                    | Required | Default                    |
+| -------------------------- | -------------------------------------------------------------- | -------- | -------------------------- |
+| `github_token`             | The GitHub token to use for the Action                         | Yes      |                            |
+| `openai_api_key`           | The [OpenAI API key] to use, keep it hidden                    | Yes      |                            |
+| `pull_request_id`          | The ID of the pull request to use                              | No       | Extracted from metadata    |
+| `openai_model`             | The [OpenAI model] to use                                      | No       | `gpt-4o-mini`              |
+| `max_tokens`               | The maximum number of **prompt tokens** to use                 | No       | `1000`                     |
+| `temperature`              | Higher values will make the model more creative (0-2)          | No       | `0.6`                      |
+| `sample_prompt`            | The prompt to use for giving context to the model              | No       | See `SAMPLE_PROMPT`        |
+| `sample_response`          | A sample response for giving context to the model              | No       | See `GOOD_SAMPLE_RESPONSE` |
+| `completion_prompt`        | The prompt to use for the model to generate the PR description | No       | See `COMPLETION_PROMPT`    |
+| `overwrite_description`    | Whether to overwrite the PR description if it already exists   | No       | `false`                    |
+| `azure_endpoint`           | The OpenAI API Azure endpoint if you use one                   | No       |                            |
+| `azure_openai_api_version` | The OpenAI API version to use if you use Azure                 | No       |                            |
 
 [OpenAI API key]: https://help.openai.com/en/articles/4936850-where-do-i-find-my-secret-api-key
 [OpenAI model]: https://platform.openai.com/docs/models
diff --git a/action.yml b/action.yml
index afbaaff..f992270 100644
--- a/action.yml
+++ b/action.yml
@@ -43,6 +43,14 @@ inputs:
     description: 'Overwrite the PR description if it already exists. This also means that the action will run on every PR update'
     required: false
     default: 'false'
+  azure_endpoint:
+    description: 'Azure endpoint for OpenAI, if you are using Azure. Setting this will make the action use Azure OpenAI.'
+    required: false
+    default: ''
+  azure_openai_api_version:
+    description: 'OpenAI API version, if you are using Azure.'
+    required: false
+    default: ''
 
 runs:
   using: 'docker'
diff --git a/autofill_description.py b/autofill_description.py
index 15d48d5..2088811 100755
--- a/autofill_description.py
+++ b/autofill_description.py
@@ -176,7 +176,18 @@ def main():
     if len(completion_prompt) > max_allowed_characters:
         completion_prompt = completion_prompt[:max_allowed_characters]
 
-    openai_client = openai.OpenAI(api_key=openai_api_key)
+    azure_endpoint = os.environ.get("INPUT_AZURE_ENDPOINT", "")
+    azure_openai_api_version = os.environ.get("INPUT_AZURE_OPENAI_API_VERSION", "")
+
+    openai_client = (
+        openai.AzureOpenAI(
+            api_key=openai_api_key,
+            azure_endpoint=azure_endpoint,
+            api_version=azure_openai_api_version,
+        )
+        if azure_endpoint
+        else openai.OpenAI(api_key=openai_api_key)
+    )
     openai_response = openai_client.chat.completions.create(
         model=open_ai_model,
         messages=[