Instructions of what to enter for a coupon field for each of autoresponders:
ActiveCampaign => Field name: coupon, Personalization Tag: %COUPON%, Coupon field: COUPON
Getresponse => Fieldname = Coupon Field, basically just custom field name
Mailchimp => Fieldname: coupon, TAG NAME: *| COUPON |*, Coupon field: COUPON
Gotowebinar => No coupons
Sendlane => No coupons
IContact => Fieldname = Coupon Field
Aweber => Fieldname = Coupon Field
ConstantContact => Basically their API acccepts only custom fields if they’re named in format custom_field_n(1 <= n <= 15). So if you want coupon you create custom field with name Custom Field 1 and enter custom_field_1 to our webapp. Obvisouly you can create Custom Field 7 and enter custom_field_7 and so on
CampaignMonitor => Fieldname = Coupon Field