Absolutely. Go to the "templates" pages in your FetchApp settings to update the content of all emails sent to your customers.
Liquid Variable Reference:
Customer
Full Name
{{ order.name }}
First name
{{ order.first_name }}
Last Name
{{ order.last_name }}
Order
Download Page URL
{{ order.url }}
Example use:
<a href='{{ order.url }}'> {{ order.url }}</a>Order Number
{{ order.number }}
Expiry Date
US Format (MM/DD/YY):
{{ order.expires }}
UK Format (DD/MM/YY):
{{ order.expires_uk }}
Written Format (Month, Day, YYYY)
{{ order.expires_pretty }}
Download Limit
{{ order.download_limit }}
Products
Name
{{ product.name }}
Title
{{ product.title }}
Description
{{ product.description }}
License Key
{{ product.license_key}}
Example Use:
{% if product.license_key %}
License Key for {{ product.name }}: {{ product.license_key }}
{% endif %}
Store URL
{{ product.store_url }}
Image URL
{{ product.image_url }}
Company
Name
{{ company.name }}
{{ company.email }}
Referral Link
{{ company.referral_link }}
Example use:
<a href='{{ company.referral_link }}'>{{ company.referral_link }}</a>