1. Login to Online Check Writer and select Apps.
2. Click Zapier and click Connect Now; then, you will be redirected to the Zapier login page.
3. Sign in to your Zapier account using the credentials.
4. Select a trigger that provides you the data for the action to take place, select Trigger Event, click Continue, choose an account and set up the trigger, and click on Continue.
5. Click the Test trigger to view the response and click Continue.
6. Select Online Check Writer as the App Event, choose an Action Event, and click Continue.
7. Click Sign In to OnlineCheckWriter by providing the API key (to get the API Key, go to settings of Online Check Writer, select Developer Panel) and click Yes Continue.
8. Set up the action; map the fields from the trigger application to the given fields in Online Check Writer; you only need to map the required fields for the action to take place. Then, click on Continue.
9. Test the action by clicking Test and Continue; you can view the check created in Online Check Writer.
10. Click Turn on Zap.

You can take the following actions in the above way: Create Check, Create and Mail Check, Create and Email Check and Save Payment Link Details.