> For the complete documentation index, see [llms.txt](https://docs.inogic.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inogic.com/marketing4dynamics/configuration/connect-to-mailchimp.md).
# Connect to Mailchimp
### Connect to Mailchimp using API Key
To successfully connect Mailchimp account to Dynamics 365 CRM, follow the steps given below:
* • First, go to **Marketing4Dynamics App -> Settings -> Setup.**
* Click on **‘Connect to Mailchimp Account’** --> A dialog box will appear.
* Enter the [**API URL and API key** ](https://docs.inogic.com/marketing4dynamics/how-to-guides/how-to-find-api-url-and-key)in the dialog box --> Click on **‘Connect to Mailchimp’.**
* When the connection is successfully established a dialog box will appear informing the same --> Click on **OK**.
* Now the section will be indicated as **‘Connected’**.
### Connect to Mailchimp using OAuth
Marketing4Dynamics also supports connecting to Mailchimp using OAuth. This allows you to authorize Marketing4Dynamics to access your Mailchimp account without manually entering an API Key.
To connect your Mailchimp account using OAuth:
1. Open the Marketing4Dynamics app.
2. Navigate to Settings → Setup.
3. Click Connect to Mailchimp Account.
4. In the connection window, select Sign in with Mailchimp (OAuth) as the connection method.
5. Click Sign in with Mailchimp.
6. You will be redirected to the Mailchimp login page.
7. Log in to your Mailchimp account.
8. Review the permissions requested by Marketing4Dynamics and click Allow to authorize the connection.
9. Once authorization is completed, you will be redirected back to Marketing4Dynamics.
10. The Mailchimp account will now be connected to Marketing4Dynamics.
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