Here is how to create mailcheck api credential in n8n
- First click on the dropdown arrow next to "Create workflow" button in the header.
- Then click on "Create credential" button.
- In the "Add new credential" modal, first click on the "Search for app..." input field.
- Then type "mailcheck" in the search field and click on the "Mailcheck API" option.
- After that click on the "Continue" button.
- In the "Mailcheck account" setup page, fill in the "API Key" input field.
- Finally click on the "Save" button.

